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...

Linux Distros Unpatched Vulnerability : CVE-2026-53265

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - dm cache policy smq: check allocation under invalidate lock commit 2d1f7b65f5de dm cache policy smq: fix missing locks in invalidating cache blocks added mq-loc...

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

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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-53060

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - dm cache metadata: fix memory leak on metadata abort retry When failing to acquire the rootlock in dmcachemetadataabort because the blockmanager is read-only, t...

Linux Distros Unpatched Vulnerability : CVE-2026-53064

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 lo...

Linux Distros Unpatched Vulnerability : CVE-2026-53063

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Linux Distros Unpatched Vulnerability : CVE-2026-53061

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - dm cache: fix dirty mapping checking in passthrough mode switching As mentioned in commit 9b1cc9f251af dm cache: share cache-metadata object across inactive and...

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-2026-53062 dm cache policy smq: fix missing locks in invalidating cache blocks

In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: fix missing locks in invalidating cache blocks In passthrough mode, the policy invalidatemapping operation is called simultaneously from multiple workers, thus it should be protected by a lock. Otherwise, we...

CVE-2026-53061

CVE-2026-53061 affects Linux kernel dm-cache. Concrete details in connected documents show a fix for dirty mapping checking in passthrough mode switching, addressing a preload-time issue that could load dirty mappings into passthrough mode and cause data loss. The root cause involves table reload...

EUVD-2026-38928

In the Linux kernel, the following vulnerability has been resolved: dm cache metadata: fix memory leak on metadata abort retry When failing to acquire the rootlock in dmcachemetadataabort because the blockmanager is read-only, the temporary blockmanager created outside the rootlock is not properl...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dm cache: Fixed potential out-of-bounds access during the first resume. Out-of-bounds access occurs when the fast device is unexpectedly expanded before the first resume of the cache table. This happens because expanding the fast...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - dm cache: Fixed UAF in the destroy function. - Dmcache also has the same UAF issue when dmresume and dmdestroy are executed concurrently. Therefore, the timer is canceled again in the destroy function...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021570)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021570 advisory. In the Linux kernel, the following vulnerability has been resolved: dm cache: Fix UAF in destroy Dmcache also has the same UAF problem when dmresume and dmdestroy ar...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-010820)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010820 advisory. In the Linux kernel, the following vulnerability has been resolved: dm cache: prevent BUGON by blocking retries on failed device resumes A cache device failing to...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011198)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011198 advisory. In the Linux kernel, the following vulnerability has been resolved: dm cache: Fix UAF in destroy Dmcache also has the same UAF problem when dmresume and dmdestroy ar...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007598)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007598 advisory. In the Linux kernel, the following vulnerability has been resolved: dm cache: free background tracker's queued work in btrackerdestroy Otherwise the kernel can BUG...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005705)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005705 advisory. In the Linux kernel, the following vulnerability has been resolved: dm cache: Fix UAF in destroy Dmcache also has the same UAF problem when dmresume and dmdestroy ar...