5,072 results · Clear filters · Feed
-
High 7.8
ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()
In the Linux kernel, the following vulnerability has been resolved: ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal() Places the logic for checking if the group's block bitmap is corrupt under the protection of the group lock to avo…
-
High 7.5
nvmet-fc: avoid deadlock on delete association path
In the Linux kernel, the following vulnerability has been resolved: nvmet-fc: avoid deadlock on delete association path When deleting an association the shutdown path is deadlocking because we try to flush the nvmet_wq nested. Avoid this by deadlock by deferr…
-
High 7.8
IB/hfi1: Fix sdma.h tx->num_descs off-by-one error
In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix sdma.h tx->num_descs off-by-one error Unfortunately the commit `fd8958efe877` introduced another error causing the `descs` array to overflow. This reults in further crashes easil…
-
High 7.1
dm-crypt: don't modify the data when using authenticated encryption
In the Linux kernel, the following vulnerability has been resolved: dm-crypt: don't modify the data when using authenticated encryption It was said that authenticated encryption could produce invalid tag when the data that is being encrypted is modified [1]. …
-
High 7.8
mm/swap: fix race when skipping swapcache
In the Linux kernel, the following vulnerability has been resolved: mm/swap: fix race when skipping swapcache When skipping swapcache for SWP_SYNCHRONOUS_IO, if two or more threads swapin the same entry at the same time, they get different pages (A, B). Befor…
-
High 7.8
usb: cdns3: fix memory double free when handle zero packet
In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: fix memory double free when handle zero packet 829 if (request->complete) { 830 spin_unlock(&priv_dev->lock); 831 usb_gadget_giveback_request(&priv_ep->endpoint, 832 request); 833…
-
High 7.8
net/sched: act_mirred: don't override retval if we already lost the skb
In the Linux kernel, the following vulnerability has been resolved: net/sched: act_mirred: don't override retval if we already lost the skb If we're redirecting the skb, and haven't called tcf_mirred_forward(), yet, we need to tell the core to drop the skb by…
-
High 7.8
bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel The following race is possible between bpf_timer_cancel_and_free and bpf_timer_cancel. It will lead a UAF on the timer->…
-
High 8.1
afs: Increase buffer size in afs_update_volume_status()
In the Linux kernel, the following vulnerability has been resolved: afs: Increase buffer size in afs_update_volume_status() The max length of volume->vid value is 20 characters. So increase idbuf[] size up to 24 to avoid overflow. Found by Linux Verification …
-
High 7.1
fs/ntfs3: Fix oob in ntfs_listxattr
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix oob in ntfs_listxattr The length of name cannot exceed the space occupied by ea.
-
High 7.8
dm-crypt, dm-verity: disable tasklets
In the Linux kernel, the following vulnerability has been resolved: dm-crypt, dm-verity: disable tasklets Tasklets have an inherent problem with memory corruption. The function tasklet_action_common calls tasklet_trylock, then it calls the tasklet callback an…
-
High 7.8
powerpc/kasan: Fix addr error caused by page alignment
In the Linux kernel, the following vulnerability has been resolved: powerpc/kasan: Fix addr error caused by page alignment In kasan_init_region, when k_start is not page aligned, at the begin of for loop, k_cur = k_start & PAGE_MASK is less than k_start, and …
-
High 7.8
ext4: fix double-free of blocks due to wrong extents moved_len
In the Linux kernel, the following vulnerability has been resolved: ext4: fix double-free of blocks due to wrong extents moved_len In ext4_move_extents(), moved_len is only updated when all moves are successfully executed, and only discards orig_inode and don…
-
High 7.8
drm/amd/display: Fix array-index-out-of-bounds in dcn35_clkmgr
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix array-index-out-of-bounds in dcn35_clkmgr [Why] There is a potential memory access violation while iterating through array of dcn35 clks. [How] Limit iteration per array …
-
High 7.8
nilfs2: fix data corruption in dsync block recovery for small block sizes
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix data corruption in dsync block recovery for small block sizes The helper function nilfs_recovery_copy_block() of nilfs_recovery_dsync_blocks(), which recovers data from logs creat…
-
High 8.8
ceph: prevent use-after-free in encode_cap_msg()
In the Linux kernel, the following vulnerability has been resolved: ceph: prevent use-after-free in encode_cap_msg() In fs/ceph/caps.c, in encode_cap_msg(), "use after free" error was caught by KASAN at this line - 'ceph_buffer_get(arg->xattr_buf);'. This imp…
-
High 7.8
can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER)
In the Linux kernel, the following vulnerability has been resolved: can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER) Lock jsk->sk to prevent UAF when setsockopt(..., SO_J1939_FILTER, ...) modifies jsk->filters while receiving pa…
-
High 7.1
drm/amdgpu: Fix variable 'mca_funcs' dereferenced before NULL check in 'amdgpu_mca_smu_get_mca_entry()'
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix variable 'mca_funcs' dereferenced before NULL check in 'amdgpu_mca_smu_get_mca_entry()' Fixes the below: drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c:377 amdgpu_mca_smu_get_mca_ent…
-
High 7.8
hwmon: (coretemp) Fix out-of-bounds memory access
In the Linux kernel, the following vulnerability has been resolved: hwmon: (coretemp) Fix out-of-bounds memory access Fix a bug that pdata->cpu_map[] is set before out-of-bounds check. The problem might be triggered on systems with more than 128 cores per pac…
-
High 7.8
tipc: Check the bearer type before calling tipc_udp_nl_bearer_add()
In the Linux kernel, the following vulnerability has been resolved: tipc: Check the bearer type before calling tipc_udp_nl_bearer_add() syzbot reported the following general protection fault [1]: general protection fault, probably for non-canonical address 0x…
-
High 7.0
drm/amd/display: Implement bounds check for stream encoder creation in DCN301
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Implement bounds check for stream encoder creation in DCN301 'stream_enc_regs' array is an array of dcn10_stream_enc_registers structures. The array is initialized with four …
-
High 7.8
xhci: handle isoc Babble and Buffer Overrun events properly
In the Linux kernel, the following vulnerability has been resolved: xhci: handle isoc Babble and Buffer Overrun events properly xHCI 4.9 explicitly forbids assuming that the xHC has released its ownership of a multi-TRB TD when it reports an error on one of t…
-
High 7.8
drm/amdgpu: fix use-after-free bug
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix use-after-free bug The bug can be triggered by sending a single amdgpu_gem_userptr_ioctl to the AMDGPU DRM driver on any ASICs with an invalid address and size. The bug was re…
-
High 7.8
ALSA: sh: aica: reorder cleanup operations to avoid UAF bugs
In the Linux kernel, the following vulnerability has been resolved: ALSA: sh: aica: reorder cleanup operations to avoid UAF bugs The dreamcastcard->timer could schedule the spu_dma_work and the spu_dma_work could also arm the dreamcastcard->timer. When the sn…
-
High 8.4
sh: push-switch: Reorder cleanup operations to avoid use-after-free bug
In the Linux kernel, the following vulnerability has been resolved: sh: push-switch: Reorder cleanup operations to avoid use-after-free bug The original code puts flush_work() before timer_shutdown_sync() in switch_drv_remove(). Although we use flush_work() t…
-
High 7.8
netfilter: nftables: exthdr: fix 4-byte stack OOB write
In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: exthdr: fix 4-byte stack OOB write If priv->len is a multiple of 4, then dst[len / 4] can write past the destination array which leads to stack corruption. This construct…
-
High 7.8
SUNRPC: Fix a suspicious RCU usage warning
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix a suspicious RCU usage warning I received the following warning while running cthon against an ontap server running pNFS: [ 57.202521] ============================= [ 57.202522] W…
-
High 7.8
tipc: wait and exit until all work queues are done
In the Linux kernel, the following vulnerability has been resolved: tipc: wait and exit until all work queues are done On some host, a crash could be triggered simply by repeating these commands several times: # modprobe tipc # tipc bearer enable media udp na…
-
High 8.1
net: dsa: mt7530: fix VLAN traffic leaks
In the Linux kernel, the following vulnerability has been resolved: net: dsa: mt7530: fix VLAN traffic leaks PCR_MATRIX field was set to all 1's when VLAN filtering is enabled, but was not reset when it is disabled, which may cause traffic leaks: ip link add …
-
High 7.8
net: dsa: sja1105: add error handling in sja1105_setup()
In the Linux kernel, the following vulnerability has been resolved: net: dsa: sja1105: add error handling in sja1105_setup() If any of sja1105_static_config_load(), sja1105_clocking_setup() or sja1105_devlink_setup() fails, we can't just return in the middle …
-
High 7.8
net: dsa: fix a crash if ->get_sset_count() fails
In the Linux kernel, the following vulnerability has been resolved: net: dsa: fix a crash if ->get_sset_count() fails If ds->ops->get_sset_count() fails then it "count" is a negative error code such as -EOPNOTSUPP. Because "i" is an unsigned int, the negative…
-
High 7.8
i2c: i801: Don't generate an interrupt on bus reset
In the Linux kernel, the following vulnerability has been resolved: i2c: i801: Don't generate an interrupt on bus reset Now that the i2c-i801 driver supports interrupts, setting the KILL bit in a attempt to recover from a timed out transaction triggers an int…
-
High 7.8
drm/amdgpu: Fix a use-after-free
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix a use-after-free looks like we forget to set ttm->sg to NULL. Hit panic below [ 1235.844104] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b7b4b: 0…
-
High 7.8
netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout While the rhashtable set gc runs asynchronously, a race allows it to collect elements from anonymous sets with…
-
High 7.8
netfilter: nf_tables: disallow anonymous set with timeout flag
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: disallow anonymous set with timeout flag Anonymous sets are never used with timeout from userspace, reject this. Exception to this rule is NFT_SET_EVAL to ensure legacy …
-
High 7.8
netfilter: nf_tables: disallow timeout for anonymous sets
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: disallow timeout for anonymous sets Never used from userspace, disallow these parameters.
-
High 8.6
ip6_tunnel: make sure to pull inner header in __ip6_tnl_rcv()
In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: make sure to pull inner header in __ip6_tnl_rcv() syzbot found __ip6_tnl_rcv() could access unitiliazed data [1]. Call pskb_inet_may_pull() to fix this, and initialize ipv6h varia…
-
High 7.8
tcp: add sanity checks to rx zerocopy
In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity checks to rx zerocopy TCP rx zerocopy intent is to map pages initially allocated from NIC drivers, not pages owned by a fs. This patch adds to can_map_frag() these additional …
-
High 7.8
crypto: lib/mpi - Fix unexpected pointer access in mpi_ec_init
In the Linux kernel, the following vulnerability has been resolved: crypto: lib/mpi - Fix unexpected pointer access in mpi_ec_init When the mpi_ec_ctx structure is initialized, some fields are not cleared, causing a crash when referencing the field when the s…
-
High 7.8
PM / devfreq: Fix buffer overflow in trans_stat_show
In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: Fix buffer overflow in trans_stat_show Fix buffer overflow in trans_stat_show(). Convert simple snprintf to the more secure scnprintf with size of PAGE_SIZE. Add condition check…