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High 7.7
mISDN: fix possible use-after-free in HFC_cleanup()
In the Linux kernel, the following vulnerability has been resolved: mISDN: fix possible use-after-free in HFC_cleanup() This module's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means that the tim…
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High 7.1
drm/sched: Avoid data corruptions
In the Linux kernel, the following vulnerability has been resolved: drm/sched: Avoid data corruptions Wait for all dependencies of a job to complete before killing it to avoid data corruptions.
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High 8.4
virtio-net: Add validation for used length
In the Linux kernel, the following vulnerability has been resolved: virtio-net: Add validation for used length This adds validation for used length (might come from an untrusted device) to avoid data corruption or loss.
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High 7.8
ubifs: Fix races between xattr_{set|get} and listxattr operations
In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix races between xattr_{set|get} and listxattr operations UBIFS may occur some problems with concurrent xattr_{set|get} and listxattr operations, such as assertion failure, memory cor…
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High 7.8
wl1251: Fix possible buffer overflow in wl1251_cmd_scan
In the Linux kernel, the following vulnerability has been resolved: wl1251: Fix possible buffer overflow in wl1251_cmd_scan Function wl1251_cmd_scan calls memcpy without checking the length. Harden by checking the length is within the maximum allowed size.
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High 7.1
coresight: tmc-etf: Fix global-out-of-bounds in tmc_update_etf_buffer()
In the Linux kernel, the following vulnerability has been resolved: coresight: tmc-etf: Fix global-out-of-bounds in tmc_update_etf_buffer() commit 6f755e85c332 ("coresight: Add helper for inserting synchronization packets") removed trailing '\0' from barrier_…
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High 7.8
dm btree remove: assign new_root only when removal succeeds
In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign new_root only when removal succeeds remove_raw() in dm_btree_remove() may fail due to IO read error (e.g. read the content of origin block fails during shadowing), and…
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High 8.8
watchdog: sc520_wdt: Fix possible use-after-free in wdt_turnoff()
In the Linux kernel, the following vulnerability has been resolved: watchdog: sc520_wdt: Fix possible use-after-free in wdt_turnoff() This module's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This mean…
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High 8.8
watchdog: Fix possible use-after-free in wdt_startup()
In the Linux kernel, the following vulnerability has been resolved: watchdog: Fix possible use-after-free in wdt_startup() This module's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means that the …
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High 7.8
net: validate lwtstate->data before returning from skb_tunnel_info()
In the Linux kernel, the following vulnerability has been resolved: net: validate lwtstate->data before returning from skb_tunnel_info() skb_tunnel_info() returns pointer of lwtstate->data as ip_tunnel_info type without validation. lwtstate->data can have var…
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High 8.8
scsi: libfc: Fix array index out of bound exception
In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix array index out of bound exception Fix array index out of bound exception in fc_rport_prli_resp().
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High 7.5
cifs: prevent NULL deref in cifs_compose_mount_options()
In the Linux kernel, the following vulnerability has been resolved: cifs: prevent NULL deref in cifs_compose_mount_options() The optional @ref parameter might contain an NULL node_name, so prevent dereferencing it in cifs_compose_mount_options(). Addresses-Co…
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High 7.5
net: sched: fix memory leak in tcindex_partial_destroy_work
In the Linux kernel, the following vulnerability has been resolved: net: sched: fix memory leak in tcindex_partial_destroy_work Syzbot reported memory leak in tcindex_set_parms(). The problem was in non-freed perfect hash in tcindex_partial_destroy_work(). In…
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High 7.8
ALSA: seq: Fix race of snd_seq_timer_open()
In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fix race of snd_seq_timer_open() The timer instance per queue is exclusive, and snd_seq_timer_open() should have managed the concurrent accesses. It looks as if it's checking the a…
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High 7.8
tracing: Correct the length check which causes memory corruption
In the Linux kernel, the following vulnerability has been resolved: tracing: Correct the length check which causes memory corruption We've suffered from severe kernel crashes due to memory corruption on our production environment, like, Call Trace: [1640542.5…
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High 7.8
NFS: Fix use-after-free in nfs4_init_client()
In the Linux kernel, the following vulnerability has been resolved: NFS: Fix use-after-free in nfs4_init_client() KASAN reports a use-after-free when attempting to mount two different exports through two different NICs that belong to the same server. Olga was…
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High 7.8
gfs2: Fix use-after-free in gfs2_glock_shrink_scan
In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix use-after-free in gfs2_glock_shrink_scan The GLF_LRU flag is checked under lru_lock in gfs2_glock_remove_from_lru() to remove the glock from the lru list in __gfs2_glock_put(). On t…
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High 7.8
udp: fix race between close() and udp_abort()
In the Linux kernel, the following vulnerability has been resolved: udp: fix race between close() and udp_abort() Kaustubh reported and diagnosed a panic in udp_lib_lookup(). The root cause is udp_abort() racing with close(). Both racing functions acquire the…
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High 8.2
netfilter: synproxy: Fix out of bounds when parsing TCP options
In the Linux kernel, the following vulnerability has been resolved: netfilter: synproxy: Fix out of bounds when parsing TCP options The TCP option parser in synproxy (synproxy_parse_options) could read one byte out of bounds. When the length is 1, the executi…
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High 8.4
net: qrtr: fix OOB Read in qrtr_endpoint_post
In the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix OOB Read in qrtr_endpoint_post Syzbot reported slab-out-of-bounds Read in qrtr_endpoint_post. The problem was in wrong _size_ type: if (len != ALIGN(size, 4) + hdrlen) goto err…
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High 7.8
net: ll_temac: Make sure to free skb when it is completely used
In the Linux kernel, the following vulnerability has been resolved: net: ll_temac: Make sure to free skb when it is completely used With the skb pointer piggy-backed on the TX BD, we have a simple and efficient way to free the skb buffer when the frame has be…
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High 7.8
net: bridge: fix vlan tunnel dst refcnt when egressing
In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix vlan tunnel dst refcnt when egressing The egress tunnel code uses dst_clone() and directly sets the result which is wrong because the entry might have 0 refcnt or be already …
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High 7.8
ax25: Fix netdev refcount issue
In the Linux kernel, the following vulnerability has been resolved: ax25: Fix netdev refcount issue The dev_tracker is added to ax25_cb in ax25_bind(). When the ax25 device is detaching, the dev_tracker of ax25_cb should be deallocated in ax25_kill_by_device(…
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High 8.8
ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr
In the Linux kernel, the following vulnerability has been resolved: ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr Although ipv6_get_ifaddr walks inet6_addr_lst under the RCU lock, it still means hlist_for_each_entry_rcu can return an item…
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High 7.1
Bluetooth: SCO: Fix not validating setsockopt user input
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix not validating setsockopt user input syzbot reported sco_sock_setsockopt() is copying data without checking user input length. BUG: KASAN: slab-out-of-bounds in copy_from_…
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High 7.1
Bluetooth: hci_sock: Fix not validating setsockopt user input
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sock: Fix not validating setsockopt user input Check user input length before copying data.
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High 8.8
kprobes: Fix possible use-after-free issue on kprobe registration
In the Linux kernel, the following vulnerability has been resolved: kprobes: Fix possible use-after-free issue on kprobe registration When unloading a module, its state is changing MODULE_STATE_LIVE -> MODULE_STATE_GOING -> MODULE_STATE_UNFORMED. Each change …
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High 7.8
drm/client: Fully protect modes[] with dev->mode_config.mutex
In the Linux kernel, the following vulnerability has been resolved: drm/client: Fully protect modes[] with dev->mode_config.mutex The modes[] array contains pointers to modes on the connectors' mode lists, which are protected by dev->mode_config.mutex. Thus w…
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High 7.8
drm/vc4: don't check if plane->state->fb == state->fb
In the Linux kernel, the following vulnerability has been resolved: drm/vc4: don't check if plane->state->fb == state->fb Currently, when using non-blocking commits, we can see the following kernel warning: [ 110.908514] ------------[ cut here ]------------ […
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High 7.8
drm/amdgpu: Skip do PCI error slot reset during RAS recovery
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Skip do PCI error slot reset during RAS recovery Why: The PCI error slot reset maybe triggered after inject ue to UMC multi times, this caused system hang. [ 557.371857] amdgpu 00…
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High 8.8
nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet
In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet syzbot reported the following uninit-value access issue [1][2]: nci_rx_work() parses and processes received packet. When the payloa…
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High 7.8
tcp: properly terminate timers for kernel sockets
In the Linux kernel, the following vulnerability has been resolved: tcp: properly terminate timers for kernel sockets We had various syzbot reports about tcp timers firing after the corresponding netns has been dismantled. Fortunately Josef Bacik could trigge…
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High 7.1
netfilter: validate user input for expected length
In the Linux kernel, the following vulnerability has been resolved: netfilter: validate user input for expected length I got multiple syzbot reports showing old bugs exposed by BPF after commit 20f2505fb436 ("bpf: Try to avoid kzalloc in cgroup/{s,g}etsockopt…
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High 8.8
ax25: fix use-after-free bugs caused by ax25_ds_del_timer
In the Linux kernel, the following vulnerability has been resolved: ax25: fix use-after-free bugs caused by ax25_ds_del_timer When the ax25 device is detaching, the ax25_dev_device_down() calls ax25_ds_del_timer() to cleanup the slave_timer. When the timer ha…
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High 8.4
x86/coco: Require seeding RNG with RDRAND on CoCo systems
In the Linux kernel, the following vulnerability has been resolved: x86/coco: Require seeding RNG with RDRAND on CoCo systems There are few uses of CoCo that don't rely on working cryptography and hence a working RNG. Unfortunately, the CoCo threat model mean…
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High 7.8
irqchip/gic-v3-its: Prevent double free on error
In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Prevent double free on error The error handling path in its_vpe_irq_domain_alloc() causes a double free when its_vpe_init() fails after successfully allocating at least on…
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High 7.8
netfilter: bridge: replace physindev with physinif in nf_bridge_info
In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: replace physindev with physinif in nf_bridge_info An skb can be added to a neigh->arp_queue while waiting for an arp reply. Where original skb's skb->dev can be different t…
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High 7.8
drm/amd/pm: fix a double-free in si_dpm_init
In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: fix a double-free in si_dpm_init When the allocation of adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries fails, amdgpu_free_extended_power_table is called to free some fi…
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High 7.8
net/mlx5e: fix a double-free in arfs_create_groups
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fix a double-free in arfs_create_groups When `in` allocated by kvzalloc fails, arfs_create_groups will free ft->g and return an error. However, arfs_create_table, the only caller o…
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High 8.2
crypto: s390/aes - Fix buffer overread in CTR mode
In the Linux kernel, the following vulnerability has been resolved: crypto: s390/aes - Fix buffer overread in CTR mode When processing the last block, the s390 ctr code will always read a whole block, even if there isn't a whole block of data left. Fix this b…