CVE-2026-74393 drm/syncobj: Fix memory leak in drm_syncobj_find_fence()

In the Linux kernel, the following vulnerability has been resolved: drm/syncobj: Fix memory leak in drmsyncobjfindfence Commit 18226ba52159 "drm/syncobj: reject invalid flags in drmsyncobjfindfence" forgot to take into account the fact that drmsyncobjfind takes a reference to syncobj and returns...

CVE-2026-74392 dm: limit target bio polling to one shot

In the Linux kernel, the following vulnerability has been resolved: dm: limit target bio polling to one shot dmpollbio is the -pollbio callback for a stacked dm device. The caller only knows about the dm queue, so it may decide to do a spinning poll if it thinks a single queue is being polled...

CVE-2026-74391 tracing: Bound synthetic-field strings with seq_buf

In the Linux kernel, the following vulnerability has been resolved: tracing: Bound synthetic-field strings with seqbuf The synthetic field helpers build a prefixed synthetic variable name and a generated hist command in fixed MAXFILTERSTRVAL buffers. The current code appends those strings with ra...

CVE-2026-74390 RDMA/irdma: Fix out-of-bounds write in irdma_copy_user_pgaddrs

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix out-of-bounds write in irdmacopyuserpgaddrs The irdmacopyuserpgaddrs function loops through all of the umem DMA blocks to populate the PBLEs and will stop when either the last DMA block is reached or palloc-totalc...

CVE-2026-74389 RDMA/hns: Fix log flood after cmd_mbox failure

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix log flood after cmdmbox failure hnsrocecmdmbox is the command interface between driver and hardware. When hardware is abnormal, the unlimited error printings after hnsrocecmdmbox failure will cause log flood and eve...

CVE-2026-74388 ALSA: seq: oss: Fix UAF at handling events with embedded SysEx data

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: oss: Fix UAF at handling events with embedded SysEx data The OSS sequencer processes the input MIDI bytes into a sequencer event to be dispatched later in sndseqossmidiputc called from sndseqossprocessevent. When it's ...

CVE-2026-74387 ALSA: seq: midi: Serialize output teardown with event_input

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: midi: Serialize output teardown with eventinput eventprocessmidi borrows msynth-outputrfile.output and then passes the substream to dumpmidi and sndrawmidikernelwrite without synchronizing with the output open/close...

CVE-2026-74385 nvmet-tcp: check return value of nvmet_tcp_set_queue_sock

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: check return value of nvmettcpsetqueuesock The return value of nvmettcpsetqueuesock is currently ignored in nvmettcptlshandshakedone. If it fails e.g., due to the socket not being in TCPESTABLISHED state, the socket...

CVE-2026-74386 nvmet-tcp: fix page fragment cache leak in error path

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fix page fragment cache leak in error path In nvmettcpallocqueue, when a connection is closed during the allocation process e.g., nvmettcpsetqueuesock returns -ENOTCONN, the error handling jumps to outdestroysq and the...

CVE-2026-74384 nvme-multipath: fix flex array size in struct nvme_ns_head

In the Linux kernel, the following vulnerability has been resolved: nvme-multipath: fix flex array size in struct nvmenshead struct nvmenshead contains a flexible array member, currentpath, which is indexed using the NUMA node ID: head-currentpathnumanodeid The structure is currently allocated as...

CVE-2026-74383 nvme-pci: fix out-of-bounds access in nvme_setup_descriptor_pools

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fix out-of-bounds access in nvmesetupdescriptorpools nvmesetupdescriptorpools indexes dev-descriptorpools using the numanode forwarded from hctx-numanode by its single caller, nvmeinithctxcommon. On a non-NUMA kernel...

CVE-2026-74382 net/sched: cls_bpf: prevent unbounded recursion in offload rollback

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsbpf: prevent unbounded recursion in offload rollback Quan Sun reported 1 a stack overflow in clsbpfoffloadcmd. Reproducer on netdevsim: add a skipsw clsbpf filter, set the bpftcaccept debugfs knob to 0, then tc filt...

CVE-2026-74381 gpu: host1x: Allow entries in BO caches to be freed

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Allow entries in BO caches to be freed When a buffer object is pinned via host1xbopin with a cache, the resulting mapping is kept in the cache so it can be reused on subsequent pins. Each mapping held a reference to...

CVE-2026-74380 gpu: host1x: Fix iommu_map_sgtable() return value check

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix iommumapsgtable return value check Commit "iommu: return full error code from iommumapsgatomic" changed iommumapsgtable to return an ssizet and negative values in error cases, rather than a sizet and a zero. pinj...

CVE-2026-74379 dax/kmem: account for partial discontiguous resource upon removal

In the Linux kernel, the following vulnerability has been resolved: dax/kmem: account for partial discontiguous resource upon removal When devdaxkmemprobe partially succeeds at least one range is mapped but a subsequent range fails requestmemregion or addmemorydrivermanaged, the probe silently...

CVE-2026-74378 RDMA/rxe: Fix TOCTOU heap overflow in get_srq_wqe

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix TOCTOU heap overflow in getsrqwqe getsrqwqe reads wqe-dma.numsge from the shared receive queue buffer, which is mapped into userspace. It validates numsge against maxsge, but then re-reads the same field to calculat...

CVE-2026-74376 md/raid10: reset read_slot when reusing r10bio for discard

In the Linux kernel, the following vulnerability has been resolved: md/raid10: reset readslot when reusing r10bio for discard putallbios always drops devsi.bio, but it only drops devsi.replbio when r10bio-readslot 0. If discard reuses an r10bio that was previously used for a read, readslot can...

CVE-2026-74377 RDMA/rxe: Copy WQE to local buffer in non-SRQ receive path

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Copy WQE to local buffer in non-SRQ receive path For non-SRQ QPs, the responder reads WQE fields directly from the shared queue buffer mapped into userspace. This allows a malicious user to modify fields like numsge or...

CVE-2026-74375 md/raid1,raid10: fix deadlock in read error recovery path

In the Linux kernel, the following vulnerability has been resolved: md/raid1,raid10: fix deadlock in read error recovery path raid1d and raid10d may resubmit a split md cloned bio while handling a read error. In this case, resubmitting the bio can lead to a deadlock if the array is suspended befo...

CVE-2026-74374 md/raid1,raid10: fix error-path detection with md_cloned_bio()

In the Linux kernel, the following vulnerability has been resolved: md/raid1,raid10: fix error-path detection with mdclonedbio Detect the error path using mdclonedbio instead of relying on r1bio in raid1 or r10bio-readslot in raid10, which may be NULL or -1 after splitting and resubmitting a fail...

CVE-2026-74372 raid1: fix nr_pending leak in REQ_ATOMIC bad-block error path

In the Linux kernel, the following vulnerability has been resolved: raid1: fix nrpending leak in REQATOMIC bad-block error path In raid1writerequest, each per-mirror loop iteration begins by incrementing rdev-nrpending. If a REQATOMIC write encounters a badblock within the requested range, the co...

CVE-2026-74373 md/raid1,raid10: fix bio accounting for split md cloned bios

In the Linux kernel, the following vulnerability has been resolved: md/raid1,raid10: fix bio accounting for split md cloned bios Use mdclonedbio to control bio accounting instead of relying on r1bioexisted in raid1 or the ioaccounting flag in raid10. The previous logic does not reliably reflect...

CVE-2026-74371 bpf: fix BPF_PROG_QUERY OOB write and cgroup backward compat

In the Linux kernel, the following vulnerability has been resolved: bpf: fix BPFPROGQUERY OOB write and cgroup backward compat BPFPROGQUERY writes back the 'query.revision' field unconditionally to userspace. If userspace passes a smaller 'bpfattr' structure e.g. 40 bytes, which was the layout...

CVE-2026-74370 liveupdate: fix TOCTOU race in luo_session_retrieve()

In the Linux kernel, the following vulnerability has been resolved: liveupdate: fix TOCTOU race in luosessionretrieve Extend the scope of the rwsemread lock in luosessionretrieve to overlap with the acquisition of the session mutex. This prevents a concurrent thread from releasing and freeing the...

CVE-2026-74369 liveupdate: fix u-a-f in luo_file_unpreserve_files() and luo_file_finish()

In the Linux kernel, the following vulnerability has been resolved: liveupdate: fix u-a-f in luofileunpreservefiles and luofilefinish In luofileunpreservefiles and luofilefinish, reorder moduleput and xaerase to ensure the file handler module remains pinned while its operations are being accessed...

CVE-2026-74368 wifi: ath12k: fix memory leak in ath12k_wifi7_dp_rx_h_verify_tkip_mic()

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix memory leak in ath12kwifi7dprxhverifytkipmic In ath12kwifi7dprxhverifytkipmic, the call to ath12kdprxchecknwifihdrlenvalid may return false when the NWIFI header length is invalid, causing the function to abort...

CVE-2026-74367 wifi: ath12k: fix inconsistent arvif state in vdev_create error paths

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix inconsistent arvif state in vdevcreate error paths ath12kmacvdevcreate has three error path issues that leave arvif in an inconsistent state: 1. When ath12kwmivdevcreate fails, the function returns directly...

CVE-2026-74366 wifi: ath12k: fix NULL deref in change_sta_links for unready link

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix NULL deref in changestalinks for unready link ieee80211setactivelinks calls ieee80211linkusechannel for each newly-added link and WARNONONCEs if it fails. The call uses assignonfailure=true, which allows mac8021...

CVE-2026-74365 nvdimm/btt: Handle preemption in BTT lane acquisition

In the Linux kernel, the following vulnerability has been resolved: nvdimm/btt: Handle preemption in BTT lane acquisition BTT lanes serialize access to per-lane metadata and workspace state during BTT I/O. The btt-check unit test reports data mismatches during BTT writes due to a race in lane...

CVE-2026-74364 bpf: Reject exclusive maps as inner maps in map-in-map

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject exclusive maps as inner maps in map-in-map An exclusive map created with exclproghash is bound to a single program by hash: checkmapprogcompatibility refuses to load any program whose digest does not match...

CVE-2026-74363 bpf: fix UAF by restoring RCU-delayed inode freeing in bpffs

In the Linux kernel, the following vulnerability has been resolved: bpf: fix UAF by restoring RCU-delayed inode freeing in bpffs commit 4f375ade6aa9 "bpf: Avoid RCU context warning when unpinning htab with internal structs" moved inode cleanup from -freeinode into -destroyinode to avoid sleeping ...

CVE-2026-74362 ext2: fix ignored return value of generic_write_sync()

In the Linux kernel, the following vulnerability has been resolved: ext2: fix ignored return value of genericwritesync Fix ext2diowriteiter to propagate the error returned by genericwritesync instead of silently discarding it, which could cause write2 to return success to userspace on OSYNC/ODSYN...

CVE-2026-74360 bpf: Reject exclusive maps for bpf_map_elem iterators

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject exclusive maps for bpfmapelem iterators Exclusive maps aka exclproghash are meant to be reachable only from the single program whose hash matches. This is enforced by checkmapprogcompatibility when the map is referenc...

CVE-2026-74361 nvme: fix FDP fdpcidx bounds check

In the Linux kernel, the following vulnerability has been resolved: nvme: fix FDP fdpcidx bounds check The fdpcidx bounds check sets n = NUMFDPC + 1 but used instead of =, incorrectly accepting fdpidx when it equals n i.e. NUMFDPC + 1...

CVE-2026-74359 configfs_lookup(): don't leave ->s_dentry dangling on failure

In the Linux kernel, the following vulnerability has been resolved: configfslookup: don't leave -sdentry dangling on failure Normally -sdentry is cleared when dentry it's pointing to becomes negative on eviction, realistically. However, that only happens if dentry gets to be positive in the first...

CVE-2026-74358 ext4: fix fast commit wait/wake bit mapping on 64-bit

In the Linux kernel, the following vulnerability has been resolved: ext4: fix fast commit wait/wake bit mapping on 64-bit On 64-bit, ext4 dynamic inode states live in the upper half of iflags, and ext4testinodestate applies the corresponding +32 offset. The fast-commit wait and wake paths...

CVE-2026-74357 drm/amdgpu: fix KASAN slab-out-of-bounds in amdgpu_coredump ring dump

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix KASAN slab-out-of-bounds in amdgpucoredump ring dump The ring content dump in amdgpucoredump uses two separate loops over adev-rings: the first counts rings with unsignalled fences to size the allocation, and the...

CVE-2026-74356 vhost: fix vhost_get_avail_idx for a non empty ring

In the Linux kernel, the following vulnerability has been resolved: vhost: fix vhostgetavailidx for a non empty ring vhostgetavailidx is supposed to report whether it has updated vq-availidx. Instead, it returns whether all entries have been consumed, which is usually the same. But not always - i...

CVE-2026-74355 iommu/vt-d: Fix RB-tree corruption in probe error path

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix RB-tree corruption in probe error path The info-node RB-tree member is zero-initialized via kzalloc. If a device does not support ATS, the devicerbtreeinsert call is skipped. If a subsequent probe step fails, the...

CVE-2026-74354 bpf: Take mmap_lock in zap_pages()

In the Linux kernel, the following vulnerability has been resolved: bpf: Take mmaplock in zappages zapvmarange requires the owning mm's mmaplock to be held. Taking mmapreadlock under arena-lock would AB-BA against arenavmclose and arenamapmmap, both of which run with mmapwritelock held and then...

CVE-2026-74353 drm/amdkfd: always resume_all after suspend_all

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: always resumeall after suspendall Need to restore any good queues even if the suspendall failed for some. Always run removequeue as that will schedule a GPU reset is removing the queue fails. v2: move resumeall after...

CVE-2026-74352 of: reserved_mem: avoid post-init UAF when alloc_reserved_mem_array() fails

In the Linux kernel, the following vulnerability has been resolved: of: reservedmem: avoid post-init UAF when allocreservedmemarray fails The global pointer 'reservedmem' continues to reference the reservedmemarray which lives in initdata if allocreservedmemarray fails. ofreservedmemlookup is...

CVE-2026-74350 ocfs2: validate fast symlink target during inode read

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate fast symlink target during inode read ocfs2validateinodeblock already rejects several inconsistent self-contained dinodes before they are exposed to the rest of the filesystem. Fast symlinks need the same treatmen...

CVE-2026-74351 ocfs2: rebase copied fsdlm LVB pointers in locking_state

In the Linux kernel, the following vulnerability has been resolved: ocfs2: rebase copied fsdlm LVB pointers in lockingstate The lockingstate debugfs iterator snapshots struct ocfs2lockres by value under ocfs2dlmtrackinglock and later formats that copy in ocfs2dlmseqshow. That is fine for the inli...

CVE-2026-74349 ocfs2: reject FITRIM ranges shorter than a cluster

In the Linux kernel, the following vulnerability has been resolved: ocfs2: reject FITRIM ranges shorter than a cluster ocfs2trimmainbm trims the global bitmap in cluster units, but its too-short range validation only checks sb-sblocksize. On filesystems with a cluster size larger than the block...

CVE-2026-74347 netfilter: cttimeout: detach dataplane timeout policy and repurpose refcount

In the Linux kernel, the following vulnerability has been resolved: netfilter: cttimeout: detach dataplane timeout policy and repurpose refcount Add a refcount for struct nfcttimeout which is used by ct extension to set the custom ct timeout policy, this tells us that the ct timeout is being used...

CVE-2026-74348 ocfs2/dlm: require a ref for locking_state debugfs open

In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: require a ref for lockingstate debugfs open debuglockresopen copies inode-iprivate into struct debuglockres and debuglockresrelease later drops that pointer with dlmput. That only works if open successfully pins the...

CVE-2026-74346 RDMA/irdma: Fix OOB read during CQ MR registration

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix OOB read during CQ MR registration Sashiko pointed out an unrelated bug during a previous patch: https://sashiko.dev//patchset/20260512183852.614045-1-jmoroni%40google.com This change fixes the bug by eliminating...

CVE-2026-74345 RDMA/siw: Fix endpoint/socket association handling

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix endpoint/socket association handling Disassociating a socket from an endpoint via siwsocketdisassoc may release the last reference on that endpoint and free it. Therefore, don't clear the endpoints socket pointer...

CVE-2026-74344 bpf: Clear rb node linkage when freeing bpf_rb_root

In the Linux kernel, the following vulnerability has been resolved: bpf: Clear rb node linkage when freeing bpfrbroot bpfrbrootfree detaches the root by copying the current rbrootcached and then replacing the live root with RBROOTCACHED. It then walks the copied root and drops each object contain...