CVE-2026-89710 NFSv4.1: fix layout segment leak on the pnfs_layout_process() forget path

In the Linux kernel, the following vulnerability has been resolved: NFSv4.1: fix layout segment leak on the pnfslayoutprocess forget path When the server returns a new layout stateid while a valid one is still held, pnfslayoutprocess calls pnfsmarkmatchinglsegsreturn on the on-stack freeme list a...

CVE-2026-89710

CVE-2026-89710 is a layout segment leak in the Linux kernel's NFSv4.1/pNFS subsystem. When the server returns a new layout stateid while a valid one is still held, pnfs_layout_process() jumps to out_forget without draining the on-stack free_me list; only the success path calls pnfs_free_lseg_list...

CVE-2026-89710 NFSv4.1: fix layout segment leak on the pnfs_layout_process() forget path

In the Linux kernel, the following vulnerability has been resolved: NFSv4.1: fix layout segment leak on the pnfslayoutprocess forget path When the server returns a new layout stateid while a valid one is still held, pnfslayoutprocess calls pnfsmarkmatchinglsegsreturn on the on-stack freeme list a...

CVE-2026-89532

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Fix pclforeachsegment for empty chunks When a parsed chunk list contains a chunk whose chsegcount is zero, pclforeachsegment computes its inclusive upper bound as &chunk-chsegmentschsegcount - 1. chsegcount is u32, so th...

CVE-2026-89529 svcrdma: Reject oversized Read segments at decode time

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject oversized Read segments at decode time The RPC/RDMA Read list decoder stores wire-supplied segment lengths without validation. xdrcountreadsegments checks 4-byte alignment for non-zero position values but does not...

CVE-2026-89529 svcrdma: Reject oversized Read segments at decode time

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject oversized Read segments at decode time The RPC/RDMA Read list decoder stores wire-supplied segment lengths without validation. xdrcountreadsegments checks 4-byte alignment for non-zero position values but does not...

CVE-2026-89482 nvme-tcp: do not accept C2HData based on blk_rq_payload_bytes() alone

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: do not accept C2HData based on blkrqpayloadbytes alone Commit 25e5cb780e62 "nvme-tcp: fix possible crash in writezeroes processing" established that blkrqpayloadbytes must not be read without first checking...

CVE-2026-80962 dm-pcache: validate geometry fields from on-disk cache_info

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: validate geometry fields from on-disk cacheinfo cachesegsinit iterates cacheinfo-nsegs times indexing cache-segments, which is sized to the cache device geometry, and getsegid takes each segment id from the on-media...

CVE-2026-80961 dm-pcache: validate kset key_num and intra-segment bounds

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: validate kset keynum and intra-segment bounds Two more fields decoded from the cache device go unbounded. The kset keynum drives cacheksetcrc and the replay loop in cachereplay, the writeback worker and the GC worker,...

CVE-2026-80959 dm-pcache: bound the persisted tail-position offset

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: bound the persisted tail-position offset cacheposdecode takes the persisted keytail and dirtytail segoff from the cache device and addresses within the segment with it. A segoff at or past the segment datasize,...

CVE-2026-80958 dm-pcache: clamp the tail kset read to the segment data region

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: clamp the tail kset read to the segment data region The tail-kset read in cachereplay, the writeback worker and the GC worker bounds its length by PCACHESEGSIZE - segoff, the raw segment size rather than the data regio...

CVE-2026-80958 dm-pcache: clamp the tail kset read to the segment data region

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: clamp the tail kset read to the segment data region The tail-kset read in cachereplay, the writeback worker and the GC worker bounds its length by PCACHESEGSIZE - segoff, the raw segment size rather than the data regio...

CVE-2026-80958

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: clamp the tail kset read to the segment data region The tail-kset read in cachereplay, the writeback worker and the GC worker bounds its length by PCACHESEGSIZE - segoff, the raw segment size rather than the data regio...

CVE-2026-80958

CVE-2026-80958 is a buffer over-read in the Linux kernel's dm-pcache (Device Mapper Persistent Cache) component. The tail-kset read performed by cache_replay(), the writeback worker, and the garbage collection (GC) worker incorrectly bounds its length by PCACHE_SEG_SIZE - seg_off (the raw segment...

EUVD-2026-76279

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: only hand out initialized cache segments getcachesegment scans the segment map up to cache-nsegs, the physical device segment count, but cachesegsinit only initializes the first cacheinfo-nsegs segments. A crafted imag...

CVE-2026-80956

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: only hand out initialized cache segments getcachesegment scans the segment map up to cache-nsegs, the physical device segment count, but cachesegsinit only initializes the first cacheinfo-nsegs segments. A crafted imag...

CVE-2026-80956 dm-pcache: only hand out initialized cache segments

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: only hand out initialized cache segments getcachesegment scans the segment map up to cache-nsegs, the physical device segment count, but cachesegsinit only initializes the first cacheinfo-nsegs segments. A crafted imag...

EUVD-2026-76278

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: fix use-after-free and invalid seg operations in ksetreplay In ksetreplay, when key-seggen is stale key-seggen cachepos.cacheseg-gen, cachekeyputkey is called but then key-cachepos.cacheseg is accessed as the argument ...

CVE-2026-80955

CVE-2026-80955 is a use-after-free vulnerability in the Linux kernel's dm-pcache module, within the kset_replay() function. When a key's segment generation (key->seg_gen) is stale, cache_key_put(key) frees the key memory, but key->cache_pos.cache_seg is subsequently accessed as an argument ...

CVE-2026-80955 dm-pcache: fix use-after-free and invalid seg operations in kset_replay()

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: fix use-after-free and invalid seg operations in ksetreplay In ksetreplay, when key-seggen is stale key-seggen cachepos.cacheseg-gen, cachekeyputkey is called but then key-cachepos.cacheseg is accessed as the argument ...