Skip to content
OpenAdvisories
Critical DLA-4178-1 242 CVEs

linux - security update

Published May 25, 2025 · Updated Mar 9, 2026

Fixed packages 1

ReleasePackageFixed in
Debian · 11 linux 5.10.237-1

Vulnerabilities 242

  • Critical 10.0

    netfilter: socket: Lookup orig tuple for IPv6 SNAT

    In the Linux kernel, the following vulnerability has been resolved: netfilter: socket: Lookup orig tuple for IPv6 SNAT nf_sk_lookup_slow_v4 does the conntrack lookup for IPv4 packets to restore the original 5-tuple in case of SNAT, to be able to find the righ…

  • Critical 9.8

    nvme: avoid double free special payload

    In the Linux kernel, the following vulnerability has been resolved: nvme: avoid double free special payload If a discard request needs to be retried, and that retry may fail before a new special payload is added, a double free will result. Clear the RQF_SPECI…

  • Critical 9.8

    smb: client: fix UAF in async decryption

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in async decryption Doing an async decryption (large read) crashes with a slab-use-after-free way down in the crypto API. Reproducer: # mount.cifs -o ...,seal,esize=1 //s…

  • Critical 9.8

    tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink().

    In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink(). Martin KaFai Lau reported use-after-free [0] in reqsk_timer_handler(). """ We are seeing a use-after-free from a bpf prog attached…

  • Critical 9.8

    nfsd: clear acl_access/acl_default after releasing them

    In the Linux kernel, the following vulnerability has been resolved: nfsd: clear acl_access/acl_default after releasing them If getting acl_default fails, acl_access and acl_default will be released simultaneously. However, acl_access will still retain a point…

  • High 8.8

    Bluetooth: hci_event: Align BR/EDR JUST_WORKS paring with LE

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: Align BR/EDR JUST_WORKS paring with LE This aligned BR/EDR JUST_WORKS method with LE which since 92516cd97fd4 ("Bluetooth: Always request for user confirmation for Just …

  • High 8.8

    NFC: nci: Add bounds checking in nci_hci_create_pipe()

    In the Linux kernel, the following vulnerability has been resolved: NFC: nci: Add bounds checking in nci_hci_create_pipe() The "pipe" variable is a u8 which comes from the network. If it's more than 127, then it results in memory corruption in the caller, nci…

  • High 8.8

    RDMA/mlx5: Fix mlx5_poll_one() cur_qp update flow

    In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix mlx5_poll_one() cur_qp update flow When cur_qp isn't NULL, in order to avoid fetching the QP from the radix tree again we check if the next cqe QP is identical to the one we al…

  • High 8.8

    KVM: x86: Reset IRTE to host control if *new* route isn't postable

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Reset IRTE to host control if *new* route isn't postable Restore an IRTE back to host control (remapped or posted MSI mode) if the *new* GSI route prevents posting the IRQ directly …

  • High 8.6

    net: atm: fix use after free in lec_send()

    In the Linux kernel, the following vulnerability has been resolved: net: atm: fix use after free in lec_send() The ->send() operation frees skb so save the length before calling ->send() to avoid a use after free.

  • High 8.4

    media: venus: hfi: add a check to handle OOB in sfr region

    In the Linux kernel, the following vulnerability has been resolved: media: venus: hfi: add a check to handle OOB in sfr region sfr->buf_size is in shared memory and can be modified by malicious user. OOB write is possible when the size is made higher than act…

  • High 8.2

    net: ppp: Add bound checking for skb data on ppp_sync_txmung

    In the Linux kernel, the following vulnerability has been resolved: net: ppp: Add bound checking for skb data on ppp_sync_txmung Ensure we have enough data in linear buffer from skb before accessing initial bytes. This prevents potential out-of-bounds accesse…

  • High 8.1

    rdma/cxgb4: Prevent potential integer overflow on 32bit

    In the Linux kernel, the following vulnerability has been resolved: rdma/cxgb4: Prevent potential integer overflow on 32bit The "gl->tot_len" variable is controlled by the user. It comes from process_responses(). On 32bit systems, the "gl->tot_len + sizeof(st…

  • High 8.1
    CVE-2025-21760 EPSS 38%

    ndisc: extend RCU protection in ndisc_send_skb()

    In the Linux kernel, the following vulnerability has been resolved: ndisc: extend RCU protection in ndisc_send_skb() ndisc_send_skb() can be called without RTNL or RCU held. Acquire rcu_read_lock() earlier, so that we can use dev_net_rcu() and avoid a potenti…

  • High 8.1

    arp: use RCU protection in arp_xmit()

    In the Linux kernel, the following vulnerability has been resolved: arp: use RCU protection in arp_xmit() arp_xmit() can be called without RTNL or RCU protection. Use RCU protection to avoid potential UAF.

  • High 8.1

    ipv6: use RCU protection in ip6_default_advmss()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU protection in ip6_default_advmss() ip6_default_advmss() needs rcu protection to make sure the net structure it reads does not disappear.

  • High 7.8

    net/mlx5e: Fix use-after-free of encap entry in neigh update handler

    In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix use-after-free of encap entry in neigh update handler Function mlx5e_rep_neigh_update() wasn't updated to accommodate rtnl lock removal from TC filter update path and properly …

  • High 7.8

    cifs: Fix UAF in cifs_demultiplex_thread()

    In the Linux kernel, the following vulnerability has been resolved: cifs: Fix UAF in cifs_demultiplex_thread() There is a UAF when xfstests on cifs: BUG: KASAN: use-after-free in smb2_is_network_name_deleted+0x27/0x160 Read of size 4 at addr ffff88810103fc08 …

  • High 7.8

    smb: client: fix use-after-free bug in cifs_debug_data_proc_show()

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free bug in cifs_debug_data_proc_show() Skip SMB sessions that are being teared down (e.g. @ses->ses_status == SES_EXITING) in cifs_debug_data_proc_show() to avoid …

  • High 7.8

    smb: client: fix potential UAF in cifs_stats_proc_show()

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifs_stats_proc_show() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.

  • High 7.8

    ima: Fix use-after-free on a dentry's dname.name

    In the Linux kernel, the following vulnerability has been resolved: ima: Fix use-after-free on a dentry's dname.name ->d_name.name can change on rename and the earlier value can be freed; there are conditions sufficient to stabilize it (->d_lock on dentry, ->…

  • High 7.8

    drm/amd/display: Skip inactive planes within ModeSupportAndSystemConfiguration

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip inactive planes within ModeSupportAndSystemConfiguration [Why] Coverity reports Memory - illegal accesses. [How] Skip inactive planes.

  • High 7.8

    drm/amd/display: Stop amdgpu_dm initialize when link nums greater than max_links

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Stop amdgpu_dm initialize when link nums greater than max_links [Why] Coverity report OVERRUN warning. There are only max_links elements within dc->links. link count could up…

  • High 7.8

    f2fs: fix to wait dio completion

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to wait dio completion It should wait all existing dio write IOs before block removal, otherwise, previous direct write IO may overwrite data in the block which may be reused by oth…

  • High 7.8

    ext4: fix timer use-after-free on failed mount

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix timer use-after-free on failed mount Syzbot has found an ODEBUG bug in ext4_fill_super The del_timer_sync function cancels the s_err_report timer, which reminds about filesystem err…

  • High 7.8

    dm cache: fix flushing uninitialized delayed_work on cache_ctr error

    In the Linux kernel, the following vulnerability has been resolved: dm cache: fix flushing uninitialized delayed_work on cache_ctr error An unexpected WARN_ON from flush_work() may occur when cache creation fails, caused by destroying the uninitialized delaye…

  • High 7.8

    scsi: ufs: bsg: Set bsg_queue to NULL after removal

    In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: bsg: Set bsg_queue to NULL after removal Currently, this does not cause any issues, but I believe it is necessary to set bsg_queue to NULL after removing it to prevent potential us…

  • High 7.8

    drm/amd/display: Fix out-of-bounds access in 'dcn21_link_encoder_create'

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix out-of-bounds access in 'dcn21_link_encoder_create' An issue was identified in the dcn21_link_encoder_create function where an out-of-bounds access could occur when the h…

  • High 7.8

    net: defer final 'struct net' free in netns dismantle

    In the Linux kernel, the following vulnerability has been resolved: net: defer final 'struct net' free in netns dismantle Ilya reported a slab-use-after-free in dst_destroy [1] Issue is in xfrm6_net_init() and xfrm4_net_init() : They copy xfrm[46]_dst_ops_tem…

  • High 7.8

    bpf, sockmap: Fix race between element replace and close()

    In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix race between element replace and close() Element replace (with a socket different from the one stored) may race with socket's close() link popping & unlinking. __sock_map_de…

  • High 7.8

    pps: Fix a use-after-free

    In the Linux kernel, the following vulnerability has been resolved: pps: Fix a use-after-free On a board running ntpd and gpsd, I'm seeing a consistent use-after-free in sys_exit() from gpsd when rebooting: pps pps1: removed ------------[ cut here ]----------…

  • High 7.8

    media: uvcvideo: Remove dangling pointers

    In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Remove dangling pointers When an async control is written, we copy a pointer to the file handle that started the operation. That pointer will be used when the device is done.…

  • High 7.8

    binfmt_flat: Fix integer overflow bug on 32 bit systems

    In the Linux kernel, the following vulnerability has been resolved: binfmt_flat: Fix integer overflow bug on 32 bit systems Most of these sizes and counts are capped at 256MB so the math doesn't result in an integer overflow. The "relocs" count needs to be ch…

  • High 7.8

    usb: gadget: f_tcm: Don't free command immediately

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_tcm: Don't free command immediately Don't prematurely free the command. Wait for the status completion of the sense status. It can be freed then. Otherwise we will double-free …

  • High 7.8

    rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read

    In the Linux kernel, the following vulnerability has been resolved: rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read The nvmem interface supports variable buffer sizes, while the regmap interface operates with fixed-size storage. If an nvmem clie…

  • High 7.8

    KVM: Explicitly verify target vCPU is online in kvm_get_vcpu()

    In the Linux kernel, the following vulnerability has been resolved: KVM: Explicitly verify target vCPU is online in kvm_get_vcpu() Explicitly verify the target vCPU is fully online _prior_ to clamping the index in kvm_get_vcpu(). If the index is "bad", the no…

  • High 7.8

    net: sched: Disallow replacing of child qdisc from one parent to another

    In the Linux kernel, the following vulnerability has been resolved: net: sched: Disallow replacing of child qdisc from one parent to another Lion Ackermann was able to create a UAF which can be abused for privilege escalation with the following script Step 1.…

  • High 7.8

    pfifo_tail_enqueue: Drop new packet when sch->limit == 0

    In the Linux kernel, the following vulnerability has been resolved: pfifo_tail_enqueue: Drop new packet when sch->limit == 0 Expected behaviour: In case we reach scheduler's limit, pfifo_tail_enqueue() will drop a packet in scheduler's queue and decrease sche…

  • High 7.8

    net: davicom: fix UAF in dm9000_drv_remove

    In the Linux kernel, the following vulnerability has been resolved: net: davicom: fix UAF in dm9000_drv_remove dm is netdev private data and it cannot be used after free_netdev() call. Using dm after free_netdev() can cause UAF bug. Fix it by moving free_netd…

  • High 7.8

    net: rose: fix timer races against user threads

    In the Linux kernel, the following vulnerability has been resolved: net: rose: fix timer races against user threads Rose timers only acquire the socket spinlock, without checking if the socket is owned by one user thread. Add a check and rearm the timers if n…

  • High 7.8

    nilfs2: do not force clear folio if buffer is referenced

    In the Linux kernel, the following vulnerability has been resolved: nilfs2: do not force clear folio if buffer is referenced Patch series "nilfs2: protect busy buffer heads from being force-cleared". This series fixes the buffer head state inconsistency issue…

  • High 7.8

    padata: avoid UAF for reorder_work

    In the Linux kernel, the following vulnerability has been resolved: padata: avoid UAF for reorder_work Although the previous patch can avoid ps and ps UAF for _do_serial, it can not avoid potential UAF issue for reorder_work. This issue can happen just as bel…

  • High 7.8

    padata: fix UAF in padata_reorder

    In the Linux kernel, the following vulnerability has been resolved: padata: fix UAF in padata_reorder A bug was found when run ltp test: BUG: KASAN: slab-use-after-free in padata_find_next+0x29/0x1a0 Read of size 4 at addr ffff88bbfe003524 by task kworker/u11…

  • High 7.8

    nbd: don't allow reconnect after disconnect

    In the Linux kernel, the following vulnerability has been resolved: nbd: don't allow reconnect after disconnect Following process can cause nbd_config UAF: 1) grab nbd_config temporarily; 2) nbd_genl_disconnect() flush all recv_work() and release the initial …

  • High 7.8

    btrfs: fix use-after-free when attempting to join an aborted transaction

    In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free when attempting to join an aborted transaction When we are trying to join the current transaction and if it's aborted, we read its 'aborted' field after unlocking fs…

  • High 7.8
    CVE-2025-21756 Public exploit

    vsock: Keep the binding until socket destruction

    In the Linux kernel, the following vulnerability has been resolved: vsock: Keep the binding until socket destruction Preserve sockets bindings; this includes both resulting from an explicit bind() and those implicitly bound through autobind during connect(). …

  • High 7.8

    openvswitch: use RCU protection in ovs_vport_cmd_fill_info()

    In the Linux kernel, the following vulnerability has been resolved: openvswitch: use RCU protection in ovs_vport_cmd_fill_info() ovs_vport_cmd_fill_info() can be called without RTNL or RCU. Use RCU protection and dev_net_rcu() to avoid potential UAF.

  • High 7.8

    neighbour: use RCU protection in __neigh_notify()

    In the Linux kernel, the following vulnerability has been resolved: neighbour: use RCU protection in __neigh_notify() __neigh_notify() can be called without RTNL or RCU protection. Use RCU protection to avoid potential UAF.

  • High 7.8

    ndisc: use RCU protection in ndisc_alloc_skb()

    In the Linux kernel, the following vulnerability has been resolved: ndisc: use RCU protection in ndisc_alloc_skb() ndisc_alloc_skb() can be called without RTNL or RCU being held. Add RCU protection to avoid possible UAF.

  • High 7.8

    partitions: mac: fix handling of bogus partition table

    In the Linux kernel, the following vulnerability has been resolved: partitions: mac: fix handling of bogus partition table Fix several issues in partition probing: - The bailout for a bad partoffset must use put_dev_sector(), since the preceding read_part_sec…

  • High 7.8

    arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array

    In the Linux kernel, the following vulnerability has been resolved: arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array The loop that detects/populates cache information already has a bounds check on the array size but does not account for cache le…

  • High 7.8

    vrf: use RCU protection in l3mdev_l3_out()

    In the Linux kernel, the following vulnerability has been resolved: vrf: use RCU protection in l3mdev_l3_out() l3mdev_l3_out() can be called without RCU being held: raw_sendmsg() ip_push_pending_frames() ip_send_skb() ip_local_out() __ip_local_out() l3mdev_ip…

  • High 7.8

    nilfs2: protect access to buffers with no active references

    In the Linux kernel, the following vulnerability has been resolved: nilfs2: protect access to buffers with no active references nilfs_lookup_dirty_data_buffers(), which iterates through the buffers attached to dirty data folios/pages, accesses the attached bu…

  • High 7.8

    batman-adv: Drop unmanaged ELP metric worker

    In the Linux kernel, the following vulnerability has been resolved: batman-adv: Drop unmanaged ELP metric worker The ELP worker needs to calculate new metric values for all neighbors "reachable" over an interface. Some of the used metric sources require locks…

  • High 7.8

    netfilter: nf_tables: reject mismatching sum of field_len with set key length

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: reject mismatching sum of field_len with set key length The field length description provides the length of each separated key field in the concatenation, each field get…

  • High 7.8

    geneve: Fix use-after-free in geneve_find_dev().

    In the Linux kernel, the following vulnerability has been resolved: geneve: Fix use-after-free in geneve_find_dev(). syzkaller reported a use-after-free in geneve_find_dev() [0] without repro. geneve_configure() links struct geneve_dev.next to net_generic(net…

  • High 7.8

    mptcp: always handle address removal under msk socket lock

    In the Linux kernel, the following vulnerability has been resolved: mptcp: always handle address removal under msk socket lock Syzkaller reported a lockdep splat in the PM control path: WARNING: CPU: 0 PID: 6693 at ./include/net/sock.h:1711 sock_owned_by_me i…

  • High 7.8

    slimbus: messaging: Free transaction ID in delayed interrupt scenario

    In the Linux kernel, the following vulnerability has been resolved: slimbus: messaging: Free transaction ID in delayed interrupt scenario In case of interrupt delay for any reason, slim_do_transfer() returns timeout error but the transaction ID (TID) is not f…

  • High 7.8

    net: gso: fix ownership in __udp_gso_segment

    In the Linux kernel, the following vulnerability has been resolved: net: gso: fix ownership in __udp_gso_segment In __udp_gso_segment the skb destructor is removed before segmenting the skb but the socket reference is kept as-is. This is an issue if the origi…

  • High 7.8

    HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove()

    In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove() The system can experience a random crash a few minutes after the driver is removed. This issue occurs due to improper handli…

  • High 7.8

    rapidio: fix an API misues when rio_add_net() fails

    In the Linux kernel, the following vulnerability has been resolved: rapidio: fix an API misues when rio_add_net() fails rio_add_net() calls device_register() and fails when device_register() fails. Thus, put_device() should be used rather than kfree(). Add "m…

  • High 7.8

    drm/amd/display: Fix slab-use-after-free on hdcp_work

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix slab-use-after-free on hdcp_work [Why] A slab-use-after-free is reported when HDCP is destroyed but the property_validate_dwork queue is still running. [How] Cancel the d…

  • High 7.8

    net_sched: Prevent creation of classes with TC_H_ROOT

    In the Linux kernel, the following vulnerability has been resolved: net_sched: Prevent creation of classes with TC_H_ROOT The function qdisc_tree_reduce_backlog() uses TC_H_ROOT as a termination condition when traversing up the qdisc tree to update parent bac…

  • High 7.8

    x86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA nodes

    In the Linux kernel, the following vulnerability has been resolved: x86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA nodes Currently, load_microcode_amd() iterates over all NUMA nodes, retrieves their CPU masks and unconditionally accesses p…

  • High 7.8

    proc: fix UAF in proc_get_inode()

    In the Linux kernel, the following vulnerability has been resolved: proc: fix UAF in proc_get_inode() Fix race between rmmod and /proc/XXX's inode instantiation. The bug is that pde->proc_ops don't belong to /proc, it belongs to a module, therefore dereferenc…

  • High 7.8

    memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove

    In the Linux kernel, the following vulnerability has been resolved: memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove This fixes the following crash: ================================================================== BUG: KASAN: slab-us…

  • High 7.8

    tracing: Fix use-after-free in print_graph_function_flags during tracer switching

    In the Linux kernel, the following vulnerability has been resolved: tracing: Fix use-after-free in print_graph_function_flags during tracer switching Kairui reported a UAF issue in print_graph_function_flags() during ftrace stress testing [1]. This issue can …

  • High 7.8

    x86/mm: Fix flush_tlb_range() when used for zapping normal PMDs

    In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix flush_tlb_range() when used for zapping normal PMDs On the following path, flush_tlb_range() can be used for zapping normal PMD entries (PMD entries that point to page tables) tog…

  • High 7.8

    netfilter: nft_tunnel: fix geneve_opt type confusion addition

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_tunnel: fix geneve_opt type confusion addition When handling multiple NFTA_TUNNEL_KEY_OPTS_GENEVE attributes, the parsing logic should place every geneve_opt structure one by o…

  • High 7.8

    ocfs2: validate l_tree_depth to avoid out-of-bounds access

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate l_tree_depth to avoid out-of-bounds access The l_tree_depth field is 16-bit (__le16), but the actual maximum depth is limited to OCFS2_MAX_PATH_DEPTH. Add a check to prevent o…

  • High 7.8

    sctp: detect and prevent references to a freed transport in sendmsg

    In the Linux kernel, the following vulnerability has been resolved: sctp: detect and prevent references to a freed transport in sendmsg sctp_sendmsg() re-uses associations and transports when possible by doing a lookup based on the socket endpoint and the mes…

  • High 7.8

    ext4: fix off-by-one error in do_split

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in do_split Syzkaller detected a use-after-free issue in ext4_insert_dentry that was caused by out-of-bounds access due to incorrect splitting in do_split. BUG: KAS…

  • High 7.8

    media: venus: hfi_parser: refactor hfi packet parsing logic

    In the Linux kernel, the following vulnerability has been resolved: media: venus: hfi_parser: refactor hfi packet parsing logic words_count denotes the number of words in total payload, while data points to payload of various property within it. When words_co…

  • High 7.8

    media: venus: hfi_parser: add check to avoid out of bound access

    In the Linux kernel, the following vulnerability has been resolved: media: venus: hfi_parser: add check to avoid out of bound access There is a possibility that init_codecs is invoked multiple times during manipulated payload from video firmware. In such case…

  • High 7.8

    media: venus: hfi: add check to handle incorrect queue size

    In the Linux kernel, the following vulnerability has been resolved: media: venus: hfi: add check to handle incorrect queue size qsize represents size of shared queued between driver and video firmware. Firmware can modify this value to an invalid large value.…

  • High 7.8

    ext4: ignore xattrs past end

    In the Linux kernel, the following vulnerability has been resolved: ext4: ignore xattrs past end Once inside 'ext4_xattr_inode_dec_ref_all' we should ignore xattrs entries past the 'end' entry. This fixes the following KASAN reported issue: ==================…

  • High 7.8

    jfs: Prevent copying of nlink with value 0 from disk inode

    In the Linux kernel, the following vulnerability has been resolved: jfs: Prevent copying of nlink with value 0 from disk inode syzbot report a deadlock in diFree. [1] When calling "ioctl$LOOP_SET_STATUS64", the offset value passed in is 4, which does not matc…

  • High 7.8

    net: tls: explicitly disallow disconnect

    In the Linux kernel, the following vulnerability has been resolved: net: tls: explicitly disallow disconnect syzbot discovered that it can disconnect a TLS socket and then run into all sort of unexpected corner cases. I have a vague recollection of Eric point…

  • High 7.8

    drm/nouveau: prime: fix ttm_bo_delayed_delete oops

    In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: prime: fix ttm_bo_delayed_delete oops Fix an oops in ttm_bo_delayed_delete which results from dererencing a dangling pointer: Oops: general protection fault, probably for non-can…

  • High 7.8

    ext4: fix OOB read when checking dotdot dir

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix OOB read when checking dotdot dir Mounting a corrupted filesystem with directory which contains '.' dir entry with rec_len == block size results in out-of-bounds read (later on, whe…

  • High 7.8

    net: openvswitch: fix nested key length validation in the set() action

    In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix nested key length validation in the set() action It's not safe to access nla_len(ovs_key) if the data is smaller than the netlink header. Check that the attribute is OK …

  • High 7.8

    net_sched: hfsc: Fix a UAF vulnerability in class handling

    In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-us…

  • High 7.8

    udmabuf: fix a buf size overflow issue during udmabuf creation

    In the Linux kernel, the following vulnerability has been resolved: udmabuf: fix a buf size overflow issue during udmabuf creation by casting size_limit_mb to u64 when calculate pglimit.

  • High 7.8

    net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too

    In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too Similarly to the previous patch, we need to safe guard hfsc_dequeue() too. But for this one, we don't have a reliable reproducer.

  • High 7.8

    HSI: ssi_protocol: Fix use after free vulnerability in ssi_protocol Driver Due to Race Condition

    In the Linux kernel, the following vulnerability has been resolved: HSI: ssi_protocol: Fix use after free vulnerability in ssi_protocol Driver Due to Race Condition In the ssi_protocol_probe() function, &ssi->work is bound with ssip_xmit_work(), In ssip_pn_se…

  • High 7.5

    NFSD: fix hang in nfsd4_shutdown_callback

    In the Linux kernel, the following vulnerability has been resolved: NFSD: fix hang in nfsd4_shutdown_callback If nfs4_client is in courtesy state then there is no point to send the callback. This causes nfsd4_shutdown_callback to hang since cl_cb_inflight is …

  • High 7.5

    smb: client: Add check for next_buffer in receive_encrypted_standard()

    In the Linux kernel, the following vulnerability has been resolved: smb: client: Add check for next_buffer in receive_encrypted_standard() Add check for the return value of cifs_buf_get() and cifs_small_buf_get() in receive_encrypted_standard() to prevent nul…

  • High 7.5

    nfsd: put dl_stid if fail to queue dl_recall

    In the Linux kernel, the following vulnerability has been resolved: nfsd: put dl_stid if fail to queue dl_recall Before calling nfsd4_run_cb to queue dl_recall to the callback_wq, we increment the reference count of dl_stid. We expect that after the correspon…

  • High 7.5

    mptcp: fix NULL pointer in can_accept_new_subflow

    In the Linux kernel, the following vulnerability has been resolved: mptcp: fix NULL pointer in can_accept_new_subflow When testing valkey benchmark tool with MPTCP, the kernel panics in 'mptcp_can_accept_new_subflow' because subflow_req->msk is NULL. Call tra…

  • High 7.5

    tipc: fix memory leak in tipc_link_xmit

    In the Linux kernel, the following vulnerability has been resolved: tipc: fix memory leak in tipc_link_xmit In case the backlog transmit queue for system-importance messages is overloaded, tipc_link_xmit() returns -ENOBUFS but the skb list is not purged. This…

  • High 7.5

    nfsd: decrease sc_count directly if fail to queue dl_recall

    In the Linux kernel, the following vulnerability has been resolved: nfsd: decrease sc_count directly if fail to queue dl_recall A deadlock warning occurred when invoking nfs4_put_stid following a failed dl_recall queue operation: T1 T2 nfs4_laundromat nfs4_ge…

  • High 7.3

    media: i2c: et8ek8: Don't strip remove function when driver is builtin

    In the Linux kernel, the following vulnerability has been resolved: media: i2c: et8ek8: Don't strip remove function when driver is builtin Using __exit for the remove function results in the remove callback being discarded with CONFIG_VIDEO_ET8EK8=y. When suc…

  • High 7.3

    sched: sch_cake: add bounds checks to host bulk flow fairness counts

    In the Linux kernel, the following vulnerability has been resolved: sched: sch_cake: add bounds checks to host bulk flow fairness counts Even though we fixed a logic error in the commit cited below, syzbot still managed to trigger an underflow of the per-host…

  • High 7.3

    netfilter: nf_conncount: Fully initialize struct nf_conncount_tuple in insert_tree()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conncount: Fully initialize struct nf_conncount_tuple in insert_tree() Since commit b36e4523d4d5 ("netfilter: nf_conncount: fix garbage collection confirm race"), `cpu` and `jif…

  • High 7.1

    ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans

    In the Linux kernel, the following vulnerability has been resolved: ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans There is a kernel API ntb_mw_clear_trans() would pass 0 to both addr and size. This would make xlate_pos negative. [ 23…

  • High 7.1

    blk-iocost: do not WARN if iocg was already offlined

    In the Linux kernel, the following vulnerability has been resolved: blk-iocost: do not WARN if iocg was already offlined In iocg_pay_debt(), warn is triggered if 'active_list' is empty, which is intended to confirm iocg is active when it has debt. However, wa…

  • High 7.1

    HID: core: Fix assumption that Resolution Multipliers must be in Logical Collections

    In the Linux kernel, the following vulnerability has been resolved: HID: core: Fix assumption that Resolution Multipliers must be in Logical Collections A report in 2019 by the syzbot fuzzer was found to be connected to two errors in the HID core associated w…

  • High 7.1

    ipmr: do not call mr_mfc_uses_dev() for unres entries

    In the Linux kernel, the following vulnerability has been resolved: ipmr: do not call mr_mfc_uses_dev() for unres entries syzbot found that calling mr_mfc_uses_dev() for unres entries would crash [1], because c->mfc_un.res.minvif / c->mfc_un.res.maxvif alias …

  • High 7.1

    PCI: rcar-ep: Fix incorrect variable used when calling devm_request_mem_region()

    In the Linux kernel, the following vulnerability has been resolved: PCI: rcar-ep: Fix incorrect variable used when calling devm_request_mem_region() The rcar_pcie_parse_outbound_ranges() uses the devm_request_mem_region() macro to request a needed resource. A…

  • High 7.1

    wifi: iwlwifi: limit printed string from FW file

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: limit printed string from FW file There's no guarantee here that the file is always with a NUL-termination, so reading the string may read beyond the end of the TLV. If that's …

  • High 7.1

    vlan: enforce underlying device type

    In the Linux kernel, the following vulnerability has been resolved: vlan: enforce underlying device type Currently, VLAN devices can be created on top of non-ethernet devices. Besides the fact that it doesn't make much sense, this also causes a bug which leak…

  • High 7.1

    iscsi_ibft: Fix UBSAN shift-out-of-bounds warning in ibft_attr_show_nic()

    In the Linux kernel, the following vulnerability has been resolved: iscsi_ibft: Fix UBSAN shift-out-of-bounds warning in ibft_attr_show_nic() When performing an iSCSI boot using IPv6, iscsistart still reads the /sys/firmware/ibft/ethernetX/subnet-mask entry. …

  • High 7.1

    acpi: nfit: fix narrowing conversion in acpi_nfit_ctl

    In the Linux kernel, the following vulnerability has been resolved: acpi: nfit: fix narrowing conversion in acpi_nfit_ctl Syzkaller has reported a warning in to_nfit_bus_uuid(): "only secondary bus families can be translated". This warning is emited if the ar…

  • High 7.1

    net: fix geneve_opt length integer overflow

    In the Linux kernel, the following vulnerability has been resolved: net: fix geneve_opt length integer overflow struct geneve_opt uses 5 bit length for each single option, which means every vary size option should be smaller than 128 bytes. However, all curre…

  • High 7.1

    jfs: fix slab-out-of-bounds read in ea_get()

    In the Linux kernel, the following vulnerability has been resolved: jfs: fix slab-out-of-bounds read in ea_get() During the "size_check" label in ea_get(), the code checks if the extended attribute list (xattr) size matches ea_size. If not, it logs "ea_get: i…

  • High 7.0

    crypto: hisilicon/qm - inject error before stopping queue

    In the Linux kernel, the following vulnerability has been resolved: crypto: hisilicon/qm - inject error before stopping queue The master ooo cannot be completely closed when the accelerator core reports memory error. Therefore, the driver needs to inject the …

  • Medium 5.5

    drm/amdgpu: Fix potential NULL pointer dereference in atomctrl_get_smc_sclk_range_table

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix potential NULL pointer dereference in atomctrl_get_smc_sclk_range_table The function atomctrl_get_smc_sclk_range_table() does not check the return value of smu_atom_get_data_t…

  • Medium 5.5

    ubifs: skip dumping tnc tree when zroot is null

    In the Linux kernel, the following vulnerability has been resolved: ubifs: skip dumping tnc tree when zroot is null Clearing slab cache will free all znode in memory and make c->zroot.znode = NULL, then dumping tnc tree will access c->zroot.znode which cause …

  • Medium 5.5

    wifi: rtlwifi: fix memory leaks and invalid access at probe error path

    In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: fix memory leaks and invalid access at probe error path Deinitialize at reverse order when probe fails. When init_sw_vars fails, rtl_deinit_core should not be called, specially…

  • Medium 5.5

    team: prevent adding a device which is already a team device lower

    In the Linux kernel, the following vulnerability has been resolved: team: prevent adding a device which is already a team device lower Prevent adding a device which is already a team device lower, e.g. adding veth0 if vlan1 was already added and veth0 is a lo…

  • Medium 5.5

    acct: perform last write from workqueue

    In the Linux kernel, the following vulnerability has been resolved: acct: perform last write from workqueue In [1] it was reported that the acct(2) system call can be used to trigger NULL deref in cases where it is set to write to a file that triggers an inte…

  • Medium 5.5

    nfp: bpf: Add check for nfp_app_ctrl_msg_alloc()

    In the Linux kernel, the following vulnerability has been resolved: nfp: bpf: Add check for nfp_app_ctrl_msg_alloc() Add check for the return value of nfp_app_ctrl_msg_alloc() in nfp_bpf_cmsg_alloc() to prevent null pointer dereference.

  • Medium 5.5

    USB: gadget: f_midi: f_midi_complete to call queue_work

    In the Linux kernel, the following vulnerability has been resolved: USB: gadget: f_midi: f_midi_complete to call queue_work When using USB MIDI, a lock is attempted to be acquired twice through a re-entrant call to f_midi_transmit, causing a deadlock. Fix it …

  • Medium 5.5

    drop_monitor: fix incorrect initialization order

    In the Linux kernel, the following vulnerability has been resolved: drop_monitor: fix incorrect initialization order Syzkaller reports the following bug: BUG: spinlock bad magic on CPU#1, syz-executor.0/7995 lock: 0xffff88805303f3e0, .magic: 00000000, .owner:…

  • Medium 5.5

    ftrace: Avoid potential division by zero in function_stat_show()

    In the Linux kernel, the following vulnerability has been resolved: ftrace: Avoid potential division by zero in function_stat_show() Check whether denominator expression x * (x - 1) * 1000 mod {2^32, 2^64} produce zero and skip stddev computation in that case…

  • Medium 5.5

    caif_virtio: fix wrong pointer check in cfv_probe()

    In the Linux kernel, the following vulnerability has been resolved: caif_virtio: fix wrong pointer check in cfv_probe() del_vqs() frees virtqueues, therefore cfv->vq_tx pointer should be checked for NULL before calling it, not cfv->vdev. Also the current impl…

  • Medium 5.5

    usb: renesas_usbhs: Flush the notify_hotplug_work

    In the Linux kernel, the following vulnerability has been resolved: usb: renesas_usbhs: Flush the notify_hotplug_work When performing continuous unbind/bind operations on the USB drivers available on the Renesas RZ/G2L SoC, a kernel crash with the message "Un…

  • Medium 5.5

    ppp: Fix KMSAN uninit-value warning with bpf

    In the Linux kernel, the following vulnerability has been resolved: ppp: Fix KMSAN uninit-value warning with bpf Syzbot caught an "KMSAN: uninit-value" warning [1], which is caused by the ppp driver not initializing a 2-byte header when using socket filter. T…

  • Medium 5.5

    drm/amd/display: Fix null check for pipe_ctx->plane_state in resource_build_scaling_params

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix null check for pipe_ctx->plane_state in resource_build_scaling_params Null pointer dereference issue could occur when pipe_ctx->plane_state is null. The fix adds a check …

  • Medium 5.5

    HID: appleir: Fix potential NULL dereference at raw event handle

    In the Linux kernel, the following vulnerability has been resolved: HID: appleir: Fix potential NULL dereference at raw event handle Syzkaller reports a NULL pointer dereference issue in input_event(). BUG: KASAN: null-ptr-deref in instrument_atomic_read incl…

  • Medium 5.5

    scsi: qla1280: Fix kernel oops when debug level > 2

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla1280: Fix kernel oops when debug level > 2 A null dereference or oops exception will eventually occur when qla1280.c driver is compiled with DEBUG_QLA1280 enabled and ql_debug_level …

  • Medium 5.5

    ice: fix memory leak in aRFS after reset

    In the Linux kernel, the following vulnerability has been resolved: ice: fix memory leak in aRFS after reset Fix aRFS (accelerated Receive Flow Steering) structures memory leak by adding a checker to verify if aRFS memory is already allocated while configurin…

  • Medium 5.5

    drm/radeon: fix uninitialized size issue in radeon_vce_cs_parse()

    In the Linux kernel, the following vulnerability has been resolved: drm/radeon: fix uninitialized size issue in radeon_vce_cs_parse() On the off chance that command stream passed from userspace via ioctl() call to radeon_vce_cs_parse() is weirdly crafted and …

  • Medium 5.5

    ipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw().

    In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw(). fib_check_nh_v6_gw() expects that fib6_nh_init() cleans up everything when it fails. Commit 7dd73168e273 ("ipv6: Always alloc…

  • Medium 5.5

    Bluetooth: Fix error code in chan_alloc_skb_cb()

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix error code in chan_alloc_skb_cb() The chan_alloc_skb_cb() function is supposed to return error pointers on error. Returning NULL will lead to a NULL dereference.

  • Medium 5.5

    atm: Fix NULL pointer dereference

    In the Linux kernel, the following vulnerability has been resolved: atm: Fix NULL pointer dereference When MPOA_cache_impos_rcvd() receives the msg, it can trigger Null Pointer Dereference Vulnerability if both entry and holding_time are NULL. Because there i…

  • Medium 5.5

    arcnet: Add NULL check in com20020pci_probe()

    In the Linux kernel, the following vulnerability has been resolved: arcnet: Add NULL check in com20020pci_probe() devm_kasprintf() returns NULL when memory allocation fails. Currently, com20020pci_probe() does not check for this case, which results in a NULL …

  • Medium 5.5

    netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets

    In the Linux kernel, the following vulnerability has been resolved: netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets When calling netlbl_conn_setattr(), addr->sa_family is used to determine the function behavior. If sk is an IPv4 socket,…

  • Medium 5.5

    thermal: int340x: Add NULL check for adev

    In the Linux kernel, the following vulnerability has been resolved: thermal: int340x: Add NULL check for adev Not all devices have an ACPI companion fwnode, so adev might be NULL. This is similar to the commit cd2fd6eab480 ("platform/x86: int3472: Check for a…

  • Medium 5.5

    clk: samsung: Fix UBSAN panic in samsung_clk_init()

    In the Linux kernel, the following vulnerability has been resolved: clk: samsung: Fix UBSAN panic in samsung_clk_init() With UBSAN_ARRAY_BOUNDS=y, I'm hitting the below panic due to dereferencing `ctx->clk_data.hws` before setting `ctx->clk_data.num = nr_clks…

  • Medium 4.7

    gpio: aggregator: protect driver attr handlers against module unload

    In the Linux kernel, the following vulnerability has been resolved: gpio: aggregator: protect driver attr handlers against module unload Both new_device_store and delete_device_store touch module global resources (e.g. gpio_aggregator_lock). To prevent race c…

  • Medium 4.7

    media: streamzap: fix race between device disconnection and urb callback

    In the Linux kernel, the following vulnerability has been resolved: media: streamzap: fix race between device disconnection and urb callback Syzkaller has reported a general protection fault at function ir_raw_event_store_with_filter(). This crash is caused b…

  • Unscored —

    drm/amdgpu: Fix even more out of bound writes from debugfs

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix even more out of bound writes from debugfs CVE-2021-42327 was fixed by: commit f23750b5b3d98653b31d4469592935ef6364ad67 Author: Thelford Williams <tdwilliamsiv@gmail.com> Date…

  • Unscored —

    drm/i915/gt: Cleanup partial engine discovery failures

    In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Cleanup partial engine discovery failures If we abort driver initialisation in the middle of gt/engine discovery, some engines will be fully setup and some not. Those incompletel…

  • Unscored —

    i2c: dev: check return value when calling dev_set_name()

    In the Linux kernel, the following vulnerability has been resolved: i2c: dev: check return value when calling dev_set_name() If dev_set_name() fails, the dev_name() is null, check the return value of dev_set_name() to avoid the null-ptr-deref.

  • Unscored —

    kernel/resource: fix kfree() of bootmem memory again

    In the Linux kernel, the following vulnerability has been resolved: kernel/resource: fix kfree() of bootmem memory again Since commit ebff7d8f270d ("mem hotunplug: fix kfree() of bootmem memory"), we could get a resource allocated during boot via alloc_resour…

  • Unscored —

    vfio/pci: fix memory leak during D3hot to D0 transition

    In the Linux kernel, the following vulnerability has been resolved: vfio/pci: fix memory leak during D3hot to D0 transition If 'vfio_pci_core_device::needs_pm_restore' is set (PCI device does not have No_Soft_Reset bit set in its PMCSR config register), then …

  • Unscored —

    drivers: staging: rtl8723bs: Fix deadlock in rtw_surveydone_event_callback()

    In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8723bs: Fix deadlock in rtw_surveydone_event_callback() There is a deadlock in rtw_surveydone_event_callback(), which is shown below: (Thread 1) | (Thread 2) | _set_timer…

  • Unscored —

    x86/kexec: fix memory leak of elf header buffer

    In the Linux kernel, the following vulnerability has been resolved: x86/kexec: fix memory leak of elf header buffer This is reported by kmemleak detector: unreferenced object 0xffffc900002a9000 (size 4096): comm "kexec", pid 14950, jiffies 4295110793 (age 373…

  • Unscored —

    ipv6: Fix signed integer overflow in __ip6_append_data

    In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix signed integer overflow in __ip6_append_data Resurrect ubsan overflow checks and ubsan report this warning, fix it by change the variable [length] type to size_t. UBSAN: signed-inte…

  • Unscored —

    bpf: Check rcu_read_lock_trace_held() before calling bpf map helpers

    In the Linux kernel, the following vulnerability has been resolved: bpf: Check rcu_read_lock_trace_held() before calling bpf map helpers These three bpf_map_{lookup,update,delete}_elem() helpers are also available for sleepable bpf program, so add the corresp…

  • Unscored —

    smb: client: fix potential deadlock when releasing mids

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential deadlock when releasing mids All release_mid() callers seem to hold a reference of @mid so there is no need to call kref_put(&mid->refcount, __release_mid) under @s…

  • Unscored —

    fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats

    In the Linux kernel, the following vulnerability has been resolved: fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats lock_task_sighand() can trigger a hard lockup. If NR_CPUS threads call do_task_stat() at the same time and the …

  • Unscored —

    smb: client: fix potential UAF in cifs_debug_files_proc_show()

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifs_debug_files_proc_show() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.

  • Unscored —

    Squashfs: check the inode number is not the invalid value of zero

    In the Linux kernel, the following vulnerability has been resolved: Squashfs: check the inode number is not the invalid value of zero Syskiller has produced an out of bounds access in fill_meta_index(). That out of bounds access is ultimately caused because t…

  • Unscored —

    pmdomain: ti: Add a null pointer check to the omap_prm_domain_init

    In the Linux kernel, the following vulnerability has been resolved: pmdomain: ti: Add a null pointer check to the omap_prm_domain_init devm_kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was…

  • Unscored —

    ipvs: properly dereference pe in ip_vs_add_service

    In the Linux kernel, the following vulnerability has been resolved: ipvs: properly dereference pe in ip_vs_add_service Use pe directly to resolve sparse warning: net/netfilter/ipvs/ip_vs_ctl.c:1471:27: warning: dereference of noderef expression

  • Unscored —

    jfs: Fix shift-out-of-bounds in dbDiscardAG

    In the Linux kernel, the following vulnerability has been resolved: jfs: Fix shift-out-of-bounds in dbDiscardAG When searching for the next smaller log2 block, BLKSTOL2() returned 0, causing shift exponent -1 to be negative. This patch fixes the issue by exit…

  • Unscored —

    btrfs: handle errors from btrfs_dec_ref() properly

    In the Linux kernel, the following vulnerability has been resolved: btrfs: handle errors from btrfs_dec_ref() properly In walk_up_proc() we BUG_ON(ret) from btrfs_dec_ref(). This is incorrect, we have proper error handling here, return the error.

  • Unscored —

    drm/amd/pm: Fix negative array index read

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Fix negative array index read Avoid using the negative values for clk_idex as an index into an array pptable->DpmDescriptor. V2: fix clk_index return check (Tim Huang)

  • Unscored —

    wifi: ath10k: avoid NULL pointer error during sdio remove

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath10k: avoid NULL pointer error during sdio remove When running 'rmmod ath10k', ath10k_sdio_remove() will free sdio workqueue by destroy_workqueue(). But if CONFIG_INIT_ON_FREE_DEFAULT…

  • Unscored —

    media: vidtv: Fix a null-ptr-deref in vidtv_mux_stop_thread

    In the Linux kernel, the following vulnerability has been resolved: media: vidtv: Fix a null-ptr-deref in vidtv_mux_stop_thread syzbot report a null-ptr-deref in vidtv_mux_stop_thread. [1] If dvb->mux is not initialized successfully by vidtv_mux_init() in the…

  • Unscored —

    memcg: fix soft lockup in the OOM process

    In the Linux kernel, the following vulnerability has been resolved: memcg: fix soft lockup in the OOM process A soft lockup issue was found in the product with about 56,000 tasks were in the OOM cgroup, it was traversing them when the soft lockup was triggere…

  • Unscored —

    media: uvcvideo: Fix double free in error path

    In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Fix double free in error path If the uvc_status_init() function fails to allocate the int_urb, it will free the dev->status pointer but doesn't reset the pointer to NULL. Thi…

  • Unscored —

    usb: xhci: Fix NULL pointer dereference on certain command aborts

    In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Fix NULL pointer dereference on certain command aborts If a command is queued to the final usable TRB of a ring segment, the enqueue pointer is advanced to the subsequent link TRB …

  • Unscored —

    ocfs2: handle a symlink read error correctly

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: handle a symlink read error correctly Patch series "Convert ocfs2 to use folios". Mark did a conversion of ocfs2 to use folios and sent it to me as a giant patch for review ;-) So I've…

  • Unscored —

    tpm: Change to kvalloc() in eventlog/acpi.c

    In the Linux kernel, the following vulnerability has been resolved: tpm: Change to kvalloc() in eventlog/acpi.c The following failure was reported on HPE ProLiant D320: [ 10.693310][ T1] tpm_tis STM0925:00: 2.0 TPM (device-id 0x3, rev-id 0) [ 10.848132][ T1] …

  • Unscored —

    soc: qcom: socinfo: Avoid out of bounds read of serial number

    In the Linux kernel, the following vulnerability has been resolved: soc: qcom: socinfo: Avoid out of bounds read of serial number On MSM8916 devices, the serial number exposed in sysfs is constant and does not change across individual devices. It's always: db…

  • Unscored —

    wifi: brcmsmac: add gain range check to wlc_phy_iqcal_gainparams_nphy()

    In the Linux kernel, the following vulnerability has been resolved: wifi: brcmsmac: add gain range check to wlc_phy_iqcal_gainparams_nphy() In 'wlc_phy_iqcal_gainparams_nphy()', add gain range check to WARN() instead of possible out-of-bounds 'tbl_iqcal_gainp…

  • Unscored —

    safesetid: check size of policy writes

    In the Linux kernel, the following vulnerability has been resolved: safesetid: check size of policy writes syzbot attempts to write a buffer with a large size to a sysfs entry with writes handled by handle_policy_update(), triggering a warning in kmalloc. Che…

  • Unscored —

    printk: Fix signed integer overflow when defining LOG_BUF_LEN_MAX

    In the Linux kernel, the following vulnerability has been resolved: printk: Fix signed integer overflow when defining LOG_BUF_LEN_MAX Shifting 1 << 31 on a 32-bit int causes signed integer overflow, which leads to undefined behavior. To prevent this, cast 1 t…

  • Unscored —

    HID: multitouch: Add NULL check in mt_input_configured

    In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: Add NULL check in mt_input_configured devm_kasprintf() can return a NULL pointer on failure,but this returned value in mt_input_configured() is not checked. Add NULL check in…

  • Unscored —

    ipmi: ipmb: Add check devm_kasprintf() returned value

    In the Linux kernel, the following vulnerability has been resolved: ipmi: ipmb: Add check devm_kasprintf() returned value devm_kasprintf() can return a NULL pointer on failure but this returned value is not checked.

  • Unscored —

    wifi: rtlwifi: remove unused check_buddy_priv

    In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: remove unused check_buddy_priv Commit 2461c7d60f9f ("rtlwifi: Update header file") introduced a global list of private data structures. Later on, commit 26634c4b1868 ("rtlwifi …

  • Unscored —

    tomoyo: don't emit warning in tomoyo_write_control()

    In the Linux kernel, the following vulnerability has been resolved: tomoyo: don't emit warning in tomoyo_write_control() syzbot is reporting too large allocation warning at tomoyo_write_control(), for one can write a very very long line without new line chara…

  • Unscored —

    sched/core: Prevent rescheduling when interrupts are disabled

    In the Linux kernel, the following vulnerability has been resolved: sched/core: Prevent rescheduling when interrupts are disabled David reported a warning observed while loop testing kexec jump: Interrupts enabled after irqrouter_resume+0x0/0x50 WARNING: CPU:…

  • Unscored —

    usb: cdc-acm: Check control transfer buffer size before access

    In the Linux kernel, the following vulnerability has been resolved: usb: cdc-acm: Check control transfer buffer size before access If the first fragment is shorter than struct usb_cdc_notification, we can't calculate an expected_size. Log an error and discard…

  • Unscored —

    net: usb: rtl8150: enable basic endpoint checking

    In the Linux kernel, the following vulnerability has been resolved: net: usb: rtl8150: enable basic endpoint checking Syzkaller reports [1] encountering a common issue of utilizing a wrong usb endpoint type during URB submitting stage. This, in turn, triggers…

  • Unscored —

    net/rose: prevent integer overflows in rose_setsockopt()

    In the Linux kernel, the following vulnerability has been resolved: net/rose: prevent integer overflows in rose_setsockopt() In case of possible unpredictably large arguments passed to rose_setsockopt() and multiplied by extra values on top of that, integer o…

  • Unscored —

    nilfs2: handle errors that nilfs_prepare_chunk() may return

    In the Linux kernel, the following vulnerability has been resolved: nilfs2: handle errors that nilfs_prepare_chunk() may return Patch series "nilfs2: fix issues with rename operations". This series fixes BUG_ON check failures reported by syzbot around rename …

  • Unscored —

    bpf: Send signals asynchronously if !preemptible

    In the Linux kernel, the following vulnerability has been resolved: bpf: Send signals asynchronously if !preemptible BPF programs can execute in all kinds of contexts and when a program running in a non-preemptible context uses the bpf_send_signal() kfunc, it…

  • Unscored —

    nilfs2: fix possible int overflows in nilfs_fiemap()

    In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix possible int overflows in nilfs_fiemap() Since nilfs_bmap_lookup_contig() in nilfs_fiemap() calculates its result by being prepared to go through potentially maxblocks == INT_MAX …

  • Unscored —

    wifi: brcmfmac: fix NULL pointer dereference in brcmf_txfinalize()

    In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix NULL pointer dereference in brcmf_txfinalize() On removal of the device or unloading of the kernel module a potential NULL pointer dereference occurs. The following sequen…

  • Unscored —

    blk-cgroup: Fix class @block_class's subsystem refcount leakage

    In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix class @block_class's subsystem refcount leakage blkcg_fill_root_iostats() iterates over @block_class's devices by class_dev_iter_(init|next)(), but does not end iterating with…

  • Unscored —

    net: rose: lock the socket in rose_bind()

    In the Linux kernel, the following vulnerability has been resolved: net: rose: lock the socket in rose_bind() syzbot reported a soft lockup in rose_loopback_timer(), with a repro calling bind() from multiple threads. rose_bind() must lock the socket to avoid …

  • Unscored —

    clocksource: Use migrate_disable() to avoid calling get_random_u32() in atomic context

    In the Linux kernel, the following vulnerability has been resolved: clocksource: Use migrate_disable() to avoid calling get_random_u32() in atomic context The following bug report happened with a PREEMPT_RT kernel: BUG: sleeping function called from invalid c…

  • Unscored —

    USB: hub: Ignore non-compliant devices with too many configs or interfaces

    In the Linux kernel, the following vulnerability has been resolved: USB: hub: Ignore non-compliant devices with too many configs or interfaces Robert Morris created a test program which can cause usb_hub_to_struct_hub() to dereference a NULL or inappropriate …

  • Unscored —

    KVM: x86: Reject Hyper-V's SEND_IPI hypercalls if local APIC isn't in-kernel

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Reject Hyper-V's SEND_IPI hypercalls if local APIC isn't in-kernel Advertise support for Hyper-V's SEND_IPI and SEND_IPI_EX hypercalls if and only if the local API is emulated/virtu…

  • Unscored —

    batman-adv: fix panic during interface removal

    In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix panic during interface removal Reference counting is used to ensure that batadv_hardif_neigh_node and batadv_hard_iface are not freed before/during batadv_v_elp_throughput_met…

  • Unscored —

    orangefs: fix a oob in orangefs_debug_write

    In the Linux kernel, the following vulnerability has been resolved: orangefs: fix a oob in orangefs_debug_write I got a syzbot report: slab-out-of-bounds Read in orangefs_debug_write... several people suggested fixes, I tested Al Viro's suggestion and made th…

  • Unscored —

    team: better TEAM_OPTION_TYPE_STRING validation

    In the Linux kernel, the following vulnerability has been resolved: team: better TEAM_OPTION_TYPE_STRING validation syzbot reported following splat [1] Make sure user-provided data contains one nul byte. [1] BUG: KMSAN: uninit-value in string_nocheck lib/vspr…

  • Unscored —

    net: ethernet: ti: am65-cpsw: fix freeing IRQ in am65_cpsw_nuss_remove_tx_chns()

    In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw: fix freeing IRQ in am65_cpsw_nuss_remove_tx_chns() When getting the IRQ we use k3_udma_glue_tx_get_irq() which returns negative error value on error. So not NULL…

  • Unscored —

    net: hns3: fix oops when unload drivers paralleling

    In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix oops when unload drivers paralleling When unload hclge driver, it tries to disable sriov first for each ae_dev node from hnae3_ae_dev_list. If user unloads hns3 driver at the t…

  • Unscored —

    net: let net.core.dev_weight always be non-zero

    In the Linux kernel, the following vulnerability has been resolved: net: let net.core.dev_weight always be non-zero The following problem was encountered during stability test: (NULL net_device): NAPI poll function process_backlog+0x0/0x530 \ returned 1, exce…

  • Unscored —

    ptp: Ensure info->enable callback is always set

    In the Linux kernel, the following vulnerability has been resolved: ptp: Ensure info->enable callback is always set The ioctl and sysfs handlers unconditionally call the ->enable callback. Not all drivers implement that callback, leading to NULL dereferences.…

  • Unscored —

    usb: gadget: f_midi: fix MIDI Streaming descriptor lengths

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_midi: fix MIDI Streaming descriptor lengths While the MIDI jacks are configured correctly, and the MIDIStreaming endpoint descriptors are filled with the correct information, b…

  • Unscored —

    bpf: avoid holding freeze_mutex during mmap operation

    In the Linux kernel, the following vulnerability has been resolved: bpf: avoid holding freeze_mutex during mmap operation We use map->freeze_mutex to prevent races between map_freeze() and memory mapping BPF map contents with writable permissions. The way we …

  • Unscored —

    tee: optee: Fix supplicant wait loop

    In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix supplicant wait loop OP-TEE supplicant is a user-space daemon and it's possible for it be hung or crashed or killed in the middle of processing an OP-TEE RPC call. It becomes …

  • Unscored —

    efi: Don't map the entire mokvar table to determine its size

    In the Linux kernel, the following vulnerability has been resolved: efi: Don't map the entire mokvar table to determine its size Currently, when validating the mokvar table, we (re)map the entire table on each iteration of the loop, adding space as we discove…

  • Unscored —

    usbnet: gl620a: fix endpoint checking in genelink_bind()

    In the Linux kernel, the following vulnerability has been resolved: usbnet: gl620a: fix endpoint checking in genelink_bind() Syzbot reports [1] a warning in usb_submit_urb() triggered by inconsistencies between expected and actually present endpoints in gl620…

  • Unscored —

    i2c: npcm: disable interrupt enable bit before devm_request_irq

    In the Linux kernel, the following vulnerability has been resolved: i2c: npcm: disable interrupt enable bit before devm_request_irq The customer reports that there is a soft lockup issue related to the i2c driver. After checking, the i2c module was doing a tx…

  • Unscored —

    wifi: nl80211: reject cooked mode if it is set along with other flags

    In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: reject cooked mode if it is set along with other flags It is possible to set both MONITOR_FLAG_COOK_FRAMES and MONITOR_FLAG_ACTIVE flags simultaneously on the same monitor inte…

  • Unscored —

    wifi: cfg80211: regulatory: improve invalid hints checking

    In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: regulatory: improve invalid hints checking Syzbot keeps reporting an issue [1] that occurs when erroneous symbols sent from userspace get through into user_alpha2[] via regula…

  • Unscored —

    usb: atm: cxacru: fix a flaw in existing endpoint checks

    In the Linux kernel, the following vulnerability has been resolved: usb: atm: cxacru: fix a flaw in existing endpoint checks Syzbot once again identified a flaw in usb endpoint checking, see [1]. This time the issue stems from a commit authored by me (2eabb65…

  • Unscored —

    llc: do not use skb_get() before dev_queue_xmit()

    In the Linux kernel, the following vulnerability has been resolved: llc: do not use skb_get() before dev_queue_xmit() syzbot is able to crash hosts [1], using llc and devices not supporting IFF_TX_SKB_SHARING. In this case, e1000 driver calls eth_skb_pad(), w…

  • Unscored —

    rapidio: add check for rio_add_net() in rio_scan_alloc_net()

    In the Linux kernel, the following vulnerability has been resolved: rapidio: add check for rio_add_net() in rio_scan_alloc_net() The return value of rio_add_net() should be checked. If it fails, put_device() should be called to free the memory and give up the…

  • Unscored —

    drm/amd/display: Assign normalized_pix_clk when color depth = 14

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Assign normalized_pix_clk when color depth = 14 [WHY & HOW] A warning message "WARNING: CPU: 4 PID: 459 at ... /dc_resource.c:3397 calculate_phy_pix_clks+0xef/0x100 [amdgpu]"…

  • Unscored —

    net/mlx5: handle errors in mlx5_chains_create_table()

    In the Linux kernel, the following vulnerability has been resolved: net/mlx5: handle errors in mlx5_chains_create_table() In mlx5_chains_create_table(), the return value of mlx5_get_fdb_sub_ns() and mlx5_get_flow_namespace() must be checked to prevent NULL po…

  • Unscored —

    HID: ignore non-functional sensor in HP 5MP Camera

    In the Linux kernel, the following vulnerability has been resolved: HID: ignore non-functional sensor in HP 5MP Camera The HP 5MP Camera (USB ID 0408:5473) reports a HID sensor interface that is not actually implemented. Attempting to access this non-function…

  • Unscored —

    regulator: check that dummy regulator has been probed before using it

    In the Linux kernel, the following vulnerability has been resolved: regulator: check that dummy regulator has been probed before using it Due to asynchronous driver probing there is a chance that the dummy regulator hasn't already been probed when first acces…

  • Unscored —

    RDMA/hns: Fix soft lockup during bt pages loop

    In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix soft lockup during bt pages loop Driver runs a for-loop when allocating bt pages and mapping them with buffer pages. When a large buffer (e.g. MR over 100GB) is being allocated,…

  • Unscored —

    soc: qcom: pdr: Fix the potential deadlock

    In the Linux kernel, the following vulnerability has been resolved: soc: qcom: pdr: Fix the potential deadlock When some client process A call pdr_add_lookup() to add the look up for the service and does schedule locator work, later a process B got a new serv…

  • Unscored —

    rtnetlink: Allocate vfinfo size for VF GUIDs when supported

    In the Linux kernel, the following vulnerability has been resolved: rtnetlink: Allocate vfinfo size for VF GUIDs when supported Commit 30aad41721e0 ("net/core: Add support for getting VF GUIDs") added support for getting VF port and node GUIDs in netlink ifin…

  • Unscored —

    watch_queue: fix pipe accounting mismatch

    In the Linux kernel, the following vulnerability has been resolved: watch_queue: fix pipe accounting mismatch Currently, watch_queue_set_size() modifies the pipe buffers charged to user->pipe_bufs without updating the pipe->nr_accounted on the pipe itself, du…

  • Unscored —

    misc: pci_endpoint_test: Avoid issue of interrupts remaining after request_irq error

    In the Linux kernel, the following vulnerability has been resolved: misc: pci_endpoint_test: Avoid issue of interrupts remaining after request_irq error After devm_request_irq() fails with error in pci_endpoint_test_request_irq(), the pci_endpoint_test_free_i…

  • Unscored —

    backlight: led_bl: Hold led_access lock when calling led_sysfs_disable()

    In the Linux kernel, the following vulnerability has been resolved: backlight: led_bl: Hold led_access lock when calling led_sysfs_disable() Lockdep detects the following issue on led-backlight removal: [ 142.315935] ------------[ cut here ]------------ [ 142…

  • Unscored —

    mfd: ene-kb3930: Fix a potential NULL pointer dereference

    In the Linux kernel, the following vulnerability has been resolved: mfd: ene-kb3930: Fix a potential NULL pointer dereference The off_gpios could be NULL. Add missing check in the kb3930_probe(). This is similar to the issue fixed in commit b1ba8bcb2d1f ("bac…

  • Unscored —

    i3c: Add NULL pointer check in i3c_master_queue_ibi()

    In the Linux kernel, the following vulnerability has been resolved: i3c: Add NULL pointer check in i3c_master_queue_ibi() The I3C master driver may receive an IBI from a target device that has not been probed yet. In such cases, the master calls `i3c_master_q…

  • Unscored —

    soc: samsung: exynos-chipid: Add NULL pointer check in exynos_chipid_probe()

    In the Linux kernel, the following vulnerability has been resolved: soc: samsung: exynos-chipid: Add NULL pointer check in exynos_chipid_probe() soc_dev_attr->revision could be NULL, thus, a pointer check is added to prevent potential NULL pointer dereference…

  • Unscored —

    net: vlan: don't propagate flags on open

    In the Linux kernel, the following vulnerability has been resolved: net: vlan: don't propagate flags on open With the device instance lock, there is now a possibility of a deadlock: [ 1.211455] ============================================ [ 1.211571] WARNING:…

  • Unscored —

    f2fs: fix to avoid out-of-bounds access in f2fs_truncate_inode_blocks()

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid out-of-bounds access in f2fs_truncate_inode_blocks() syzbot reports an UBSAN issue as below: ------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in fs/f2f…

  • Unscored —

    jfs: add sanity check for agwidth in dbMount

    In the Linux kernel, the following vulnerability has been resolved: jfs: add sanity check for agwidth in dbMount The width in dmapctl of the AG is zero, it trigger a divide error when calculating the control page level in dbAllocAG. To avoid this issue, add a…

  • Unscored —

    drm/amd/pm: Prevent division by zero

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Prevent division by zero The user can set any speed value. If speed is greater than UINT_MAX/8, division by zero is possible. Found by Linux Verification Center (linuxtesting.org)…

  • Unscored —

    drm/amd/pm: Prevent division by zero

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Prevent division by zero The user can set any speed value. If speed is greater than UINT_MAX/8, division by zero is possible. Found by Linux Verification Center (linuxtesting.org)…

  • Unscored —

    drm/amd/pm: Prevent division by zero

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Prevent division by zero The user can set any speed value. If speed is greater than UINT_MAX/8, division by zero is possible. Found by Linux Verification Center (linuxtesting.org)…

  • Unscored —

    virtiofs: add filesystem context source name check

    In the Linux kernel, the following vulnerability has been resolved: virtiofs: add filesystem context source name check In certain scenarios, for example, during fuzz testing, the source name may be NULL, which could lead to a kernel panic. Therefore, an extra…

  • Unscored —

    isofs: Prevent the use of too small fid

    In the Linux kernel, the following vulnerability has been resolved: isofs: Prevent the use of too small fid syzbot reported a slab-out-of-bounds Read in isofs_fh_to_parent. [1] The handle_bytes value passed in by the reproducing program is equal to 12. In han…

  • Unscored —

    i2c: cros-ec-tunnel: defer probe if parent EC is not present

    In the Linux kernel, the following vulnerability has been resolved: i2c: cros-ec-tunnel: defer probe if parent EC is not present When i2c-cros-ec-tunnel and the EC driver are built-in, the EC parent device will not be found, leading to NULL pointer dereferenc…

  • Unscored —

    cxgb4: fix memory leak in cxgb4_init_ethtool_filters() error path

    In the Linux kernel, the following vulnerability has been resolved: cxgb4: fix memory leak in cxgb4_init_ethtool_filters() error path In the for loop used to allocate the loc_array and bmap for each port, a memory leak is possible when the allocation for loc_…

  • Unscored —

    Bluetooth: btrtl: Prevent potential NULL dereference

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btrtl: Prevent potential NULL dereference The btrtl_initialize() function checks that rtl_load_file() either had an error or it loaded a zero length file. However, if it loaded a z…

  • Unscored —

    wifi: mac80211: Purge vif txq in ieee80211_do_stop()

    In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Purge vif txq in ieee80211_do_stop() After ieee80211_do_stop() SKB from vif's txq could still be processed. Indeed another concurrent vif schedule_and_wake_txq call could caus…

  • Unscored —

    wifi: at76c50x: fix use after free access in at76_disconnect

    In the Linux kernel, the following vulnerability has been resolved: wifi: at76c50x: fix use after free access in at76_disconnect The memory pointed to by priv is freed at the end of at76_delete_device function (using ieee80211_free_hw). But the code then acce…

  • Unscored —

    crypto: null - Use spin lock instead of mutex

    In the Linux kernel, the following vulnerability has been resolved: crypto: null - Use spin lock instead of mutex As the null algorithm may be freed in softirq context through af_alg, use spin locks instead of mutexes to protect the default null algorithm.

  • Unscored —

    usb: dwc3: gadget: check that event count does not exceed event buffer length

    In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: check that event count does not exceed event buffer length The event count is read from register DWC3_GEVNTCOUNT. There is a check for the count being zero, but not for exc…

  • Unscored —

    usb: cdns3: Fix deadlock when using NCM gadget

    In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: Fix deadlock when using NCM gadget The cdns3 driver has the same NCM deadlock as fixed in cdnsp by commit 58f2fcb3a845 ("usb: cdnsp: Fix deadlock issue during using NCM gadget"). …

  • Unscored —

    mcb: fix a double free bug in chameleon_parse_gdd()

    In the Linux kernel, the following vulnerability has been resolved: mcb: fix a double free bug in chameleon_parse_gdd() In chameleon_parse_gdd(), if mcb_device_register() fails, 'mdev' would be released in mcb_device_register() via put_device(). Thus, goto 'e…

  • Unscored —

    tipc: fix NULL pointer dereference in tipc_mon_reinit_self()

    In the Linux kernel, the following vulnerability has been resolved: tipc: fix NULL pointer dereference in tipc_mon_reinit_self() syzbot reported: tipc: Node number set to 1055423674 Oops: general protection fault, probably for non-canonical address 0xdffffc00…

  • Unscored —

    cpufreq: scpi: Fix null-ptr-deref in scpi_cpufreq_get_rate()

    In the Linux kernel, the following vulnerability has been resolved: cpufreq: scpi: Fix null-ptr-deref in scpi_cpufreq_get_rate() cpufreq_cpu_get_raw() can return NULL when the target CPU is not present in the policy->cpus mask. scpi_cpufreq_get_rate() does no…

  • Unscored —

    PCI: Fix reference leak in pci_register_host_bridge()

    In the Linux kernel, the following vulnerability has been resolved: PCI: Fix reference leak in pci_register_host_bridge() If device_register() fails, call put_device() to give up the reference to avoid a memory leak, per the comment at device_register(). Foun…

  • Unscored —

    jbd2: remove wrong sb->s_sequence check

    In the Linux kernel, the following vulnerability has been resolved: jbd2: remove wrong sb->s_sequence check Journal emptiness is not determined by sb->s_sequence == 0 but rather by sb->s_start == 0 (which is set a few lines above). Furthermore 0 is a valid tr…

  • Unscored —

    mtd: rawnand: brcmnand: fix PM resume warning

    In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: brcmnand: fix PM resume warning Fixed warning on PM resume as shown below caused due to uninitialized struct nand_operation that checks chip select field : WARN_ON(op->cs >= nan…

  • Unscored —

    pm: cpupower: bench: Prevent NULL dereference on malloc failure

    In the Linux kernel, the following vulnerability has been resolved: pm: cpupower: bench: Prevent NULL dereference on malloc failure If malloc returns NULL due to low memory, 'config' pointer can be NULL. Add a check to prevent NULL dereference.

  • Unscored —

    cifs: avoid NULL pointer dereference in dbg call

    In the Linux kernel, the following vulnerability has been resolved: cifs: avoid NULL pointer dereference in dbg call cifs_server_dbg() implies server to be non-NULL so move call under condition to avoid NULL pointer dereference. Found by Linux Verification Ce…

  • Unscored —

    pwm: mediatek: Prevent divide-by-zero in pwm_mediatek_config()

    In the Linux kernel, the following vulnerability has been resolved: pwm: mediatek: Prevent divide-by-zero in pwm_mediatek_config() With CONFIG_COMPILE_TEST && !CONFIG_HAVE_CLK, pwm_mediatek_config() has a divide-by-zero in the following line: do_div(resolutio…

  • Unscored —

    fbdev: omapfb: Add 'plane' value check

    In the Linux kernel, the following vulnerability has been resolved: fbdev: omapfb: Add 'plane' value check Function dispc_ovl_setup is not intended to work with the value OMAP_DSS_WB of the enum parameter plane. The value of this parameter is initialized in d…

  • Unscored —

    scsi: st: Fix array overflow in st_setup()

    In the Linux kernel, the following vulnerability has been resolved: scsi: st: Fix array overflow in st_setup() Change the array size to follow parms size instead of a fixed value.

  • Unscored —

    fs/jfs: Prevent integer overflow in AG size calculation

    In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Prevent integer overflow in AG size calculation The JFS filesystem calculates allocation group (AG) size using 1 << l2agsize in dbExtendFS(). When l2agsize exceeds 31 (possible with >…

  • Unscored —

    page_pool: avoid infinite loop to schedule delayed worker

    In the Linux kernel, the following vulnerability has been resolved: page_pool: avoid infinite loop to schedule delayed worker We noticed the kworker in page_pool_release_retry() was waken up repeatedly and infinitely in production because of the buggy driver …

  • Unscored —

    HID: pidff: Fix null pointer dereference in pidff_find_fields

    In the Linux kernel, the following vulnerability has been resolved: HID: pidff: Fix null pointer dereference in pidff_find_fields This function triggered a null pointer dereference if used to search for a report that isn't implemented on the device. This happ…

  • Unscored —

    RDMA/core: Silence oversized kvmalloc() warning

    In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Silence oversized kvmalloc() warning syzkaller triggered an oversized kvmalloc() warning. Silence it by adding __GFP_NOWARN. syzkaller log: WARNING: CPU: 7 PID: 518 at mm/util.c:66…

  • Unscored —

    usb: gadget: aspeed: Add NULL pointer check in ast_vhub_init_dev()

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: aspeed: Add NULL pointer check in ast_vhub_init_dev() The variable d->name, returned by devm_kasprintf(), could be NULL. A pointer check is added to prevent potential NULL pointe…

  • Unscored —

    net_sched: skbprio: Remove overly strict queue assertions

    In the Linux kernel, the following vulnerability has been resolved: net_sched: skbprio: Remove overly strict queue assertions In the current implementation, skbprio enqueue/dequeue contains an assertion that fails under certain conditions when SKBPRIO is used…