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: fix out-of-bounds access to the dirty bitset when resizing dm-cache checks the dirty bits of the cache blocks to be dropped when shrinking the fast device, but an index bug in bitset iteration causes out-of-bounds acces...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dm integrity: Memory corruption occurs when tagsize is less than digestsize. It is possible to configure dm-integrity in such a way that the tagsize parameter is smaller than the actual digestsize. In this case, a portion of the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: - dm clone: Fixed a UAF Use-after-Free in clonedtr. - Dmclone also has the same UAF issue when dmresume and dmdestroy are executed concurrently. Therefore, the timer is canceled again in clonedtr...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: dm rq: Fixed a double-free of blkmqtagset when removing a device after table loading fails. When loading a device-mapper table for a request-based mapped device, and the allocation/initialization of the blkmqtagset for the device...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dm: Fix NULL pointer dereferencing in dmsuspend. There is a race condition between the suspension of the dm device and the loading of data into the table, which can lead to a NULL pointer dereferencing. This issue occurs when the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dm: Clearing the clone request’s bio pointer when the last cloned bio is freed It has been observed that stale values of rq-bio can lead to double initialization of cloned bios in request-based device-mapper targets, resulting in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dm mirror log: The bitsetsize is rounded up to BITSPERLONG. The code in dm-log rounds up bitsetsize to 32 bits. Then, it uses findnextzerobitle on the allocated region. findnextzerobitle accesses the bitmap using unsigned long...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dm ioctl: A misbehavior occurred when listversions raced with module loading. listversions will first estimate the required space using the dmtargetiteratelistversiongetneeded, &needed call, and then fill the space using the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dm: don't attempt to queue IO under RCU protection dm looks up the table for IO based on the request type, with an assumption that if the request is marked REQNOWAIT, it's fine to attempt to submit that IO while under RCU read lo...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - dm btree remove: fixed the use of a function after the free operation in rebalancechildren. - Moved the dmtmunlock function to after dmtmdec...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dm: call the resume method on internal suspend There was a reported crash when experimenting with the lvm2 test suite. The issue was caused by incorrect pairing of the postsuspend and resume methods; there were two consecutive...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

A denial-of-service issue was detected, possibly due to a recursive locking scenario, which led to a deadlock in the tableclear function in drivers/md/dm-ioctl.c within the Linux Kernel Device Mapper-Multipathing sub-component...

Linux Distros Unpatched Vulnerability : CVE-2026-89577

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - dm-io: report non-retryable errors separatedly The error codes BLKSTSNOTSUPP and BLKSTSINVAL should not cause leg failure on dm-raid1. This patch changes the...

Linux Distros Unpatched Vulnerability : CVE-2026-89573

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - dm array: reject an array block whose value size is not the caller's arrayblockcheck can only compare the header against itself, so a block with valuesize 4 and...

CVE-2026-80959

A flaw was found in the Linux kernel's device-mapper persistent cache dm-pcache component. A local attacker with administrative privileges CAPSYSADMIN could provide a specially crafted cache device, leading to an out-of-bounds read. This vulnerability allows reading past the intended segment data...

CVE-2026-89573

In the Linux kernel, the following vulnerability has been resolved: dm array: reject an array block whose value size is not the caller's arrayblockcheck can only compare the header against itself, so a block with valuesize 4 and maxentries 1018 is internally consistent and passes. dm-cache keeps...

CVE-2026-89574

In the Linux kernel, the following vulnerability has been resolved: dm array: validate array block headers on read arrayblockcheck validates blocknr and csum and nothing else, while nodecheck, next to it, has bounded the structural fields since both were written. dmarraycursornext takes its loop...

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-2026-89574

In the Linux kernel, the following vulnerability has been resolved: dm array: validate array block headers on read arrayblockcheck validates blocknr and csum and nothing else, while nodecheck, next to it, has bounded the structural fields since both were written. dmarraycursornext takes its loop...

CVE-2026-89574 dm array: validate array block headers on read

In the Linux kernel, the following vulnerability has been resolved: dm array: validate array block headers on read arrayblockcheck validates blocknr and csum and nothing else, while nodecheck, next to it, has bounded the structural fields since both were written. dmarraycursornext takes its loop...