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-2026-74377 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-2026-74376 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-2026-74375 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-2026-74369 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-2026-74370 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-2026-74368 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-2026-74363 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-2026-74364 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-2026-74362 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...