CVE-2026-53062

A flaw was found in the Linux kernel's device-mapper dm cache policy, specifically within the smq module. In passthrough mode, the invalidatemapping operation lacks proper locking, allowing for concurrent access. This can lead to data races, resulting in data corruption or use-after-free issues,...

UBUNTU-CVE-2026-53265

In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: check allocation under invalidate lock commit 2d1f7b65f5de "dm cache policy smq: fix missing locks in invalidating cache blocks" added mq-lock around the destructive part of smqinvalidatemapping, but left the...

CVE-2026-53265

In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: check allocation under invalidate lock commit 2d1f7b65f5de "dm cache policy smq: fix missing locks in invalidating cache blocks" added mq-lock around the destructive part of smqinvalidatemapping, but left the...

EUVD-2026-39216

In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: check allocation under invalidate lock commit 2d1f7b65f5de "dm cache policy smq: fix missing locks in invalidating cache blocks" added mq-lock around the destructive part of smqinvalidatemapping, but left the...

CVE-2026-53265

The CVE-2026-53265 entry describes a Linux kernel race in the dm-cache policy SMQ path. A check-then-act race occurs in smq_invalidate_mapping where an e->allocated check was left outside the mq->lock after the destructive section was serialized; two concurrent invalidators can observe allo...

CVE-2026-53265 dm cache policy smq: check allocation under invalidate lock

In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: check allocation under invalidate lock commit 2d1f7b65f5de "dm cache policy smq: fix missing locks in invalidating cache blocks" added mq-lock around the destructive part of smqinvalidatemapping, but left the...

CVE-2026-53265

In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: check allocation under invalidate lock commit 2d1f7b65f5de "dm cache policy smq: fix missing locks in invalidating cache blocks" added mq-lock around the destructive part of smqinvalidatemapping, but left the...

PT-2026-52360

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A check-then-act race condition exists in the dm cache policy smq. The smq invalidate mapping function performs a check on the e-allocated variable outside of the mq-lock critical sectio...

EUVD-2026-38819

In the Linux kernel, the following vulnerability has been resolved: drm/xe/dma-buf: handle empty bo and UAF races There look to be some nasty races here when triggering the invalidatemappings hook: 1 We do xeboalloc followed by the attach, before the actual full bo init step in xedmabufinitobj...

CVE-2026-53063

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix write hang in passthrough mode The invalidateremove function has incomplete logic for handling write hit bios after cache invalidation. It sets up the remapping for the overwritebio but then drops it immediately...

CVE-2026-52951

In the Linux kernel, the following vulnerability has been resolved: drm/xe/dma-buf: handle empty bo and UAF races There look to be some nasty races here when triggering the invalidatemappings hook: 1 We do xeboalloc followed by the attach, before the actual full bo init step in xedmabufinitobj...

CVE-2026-53063

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix write hang in passthrough mode The invalidateremove function has incomplete logic for handling write hit bios after cache invalidation. It sets up the remapping for the overwritebio but then drops it immediately...

CVE-2026-53122

CVE-2026-53122: Linux kernel bug in btrfs where flushoncommit can deadlock a reflink with a pending transaction commit when copying an inline extent beyond i_size. The issue arises from locking sequences between reflink/commit paths and delalloc/ordered extents, leading to a cycle where two tasks...

EUVD-2026-38932

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix null-deref with concurrent writes in passthrough mode In passthrough mode, when dm-cache starts to invalidate a cache entry and bio prison cell lock fails due to concurrent write to the same cached block, mg-cell...

CVE-2026-53064

In Linux kernel dm-cache passthrough mode, a race between invalidate_complete() and concurrent writes can leave mg->cell NULL, causing a NULL pointer dereference during unlock/free. The reported fix is to validate mg->cell before unlocking it. Affected context described includes local, low-...

CVE-2026-53064 dm cache: fix null-deref with concurrent writes in passthrough mode

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix null-deref with concurrent writes in passthrough mode In passthrough mode, when dm-cache starts to invalidate a cache entry and bio prison cell lock fails due to concurrent write to the same cached block, mg-cell...

EUVD-2026-38931

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix write hang in passthrough mode The invalidateremove function has incomplete logic for handling write hit bios after cache invalidation. It sets up the remapping for the overwritebio but then drops it immediately...

CVE-2026-53063 dm cache: fix write hang in passthrough mode

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix write hang in passthrough mode The invalidateremove function has incomplete logic for handling write hit bios after cache invalidation. It sets up the remapping for the overwritebio but then drops it immediately...

CVE-2026-53063

CVE-2026-53063 concerns the Linux kernel dm-cache passthrough path, where invalidate_remove() mishandled write hit bios after cache invalidation, causing write hangs. The fix adds an invalidate_committed() continuation to submit remapped writes after metadata commit and uses overwrite_endio for p...

CVE-2026-53063 dm cache: fix write hang in passthrough mode

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix write hang in passthrough mode The invalidateremove function has incomplete logic for handling write hit bios after cache invalidation. It sets up the remapping for the overwritebio but then drops it immediately...