Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: fix missing folio cleanup in writeback race path In zswapwritebackentry, after obtaining a folio from readswapcacheasync, we reacquire the tree lock to ensure that the swap entry was not invalidated or recycled. If it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: A NULL pointer dereferencing issue was addressed when splitting folio objects. The commit c010d47f107f “mm: thp: splitting huge pages into lower-order pages” introduced a check on the order of the folio objects via...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: mm, swap: Fixed a potential UAF issue related to VMA readahead. Since commit 78524b05f1a3 “mm, swap: avoiding redundant swap device pinning”, the common helper function for allocating and preparing a swap entry in the swap cache...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021574)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021574 advisory. In the Linux kernel, the following vulnerability has been resolved: mm: fix zswap writeback race condition The zswap writeback mechanism can cause a race condition...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/swap: fixed a race condition when skipping swapcache When skipping swapcache for SWPSYNCHRONOUSIO, if two or more threads swap the same entry at the same time, they may obtain different pages A, B. Before one thread T0 finishe...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm: cachestat: fixed two shmem bugs When cachestat on shmem overlaps with swapping and invalidation, there are two possible bugs: 1 A swapin error may result in a corrupted swap entry in the shmem inode’s xarray. Calling...

kernel: mm: fix zswap writeback race condition

In the Linux kernel, the following vulnerability has been resolved: mm: fix zswap writeback race condition The zswap writeback mechanism can cause a race condition resulting in memory corruption, where a swapped out page gets swapped in with data that was written to a different page. The race...

SUSE CVE-2025-68293

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix NULL pointer deference when splitting folio Commit c010d47f107f "mm: thp: split huge page to any lower order pages" introduced an early check on the folio's order via mapping-flags before proceeding with the...

kernel: mm: fix zswap writeback race condition

In the Linux kernel, the following vulnerability has been resolved: mm: fix zswap writeback race condition The zswap writeback mechanism can cause a race condition resulting in memory corruption, where a swapped out page gets swapped in with data that was written to a different page. The race...

EUVD-2025-203787

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix NULL pointer deference when splitting folio Commit c010d47f107f "mm: thp: split huge page to any lower order pages" introduced an early check on the folio's order via mapping-flags before proceeding with the...

CVE-2025-68293

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix NULL pointer deference when splitting folio Commit c010d47f107f "mm: thp: split huge page to any lower order pages" introduced an early check on the folio's order via mapping-flags before proceeding with the...

CVE-2025-68293

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix NULL pointer deference when splitting folio Commit c010d47f107f "mm: thp: split huge page to any lower order pages" introduced an early check on the folio's order via mapping-flags before proceeding with the...

UBUNTU-CVE-2025-68293

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix NULL pointer deference when splitting folio Commit c010d47f107f "mm: thp: split huge page to any lower order pages" introduced an early check on the folio's order via mapping-flags before proceeding with the...

CVE-2025-68293 mm/huge_memory: fix NULL pointer deference when splitting folio

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix NULL pointer deference when splitting folio Commit c010d47f107f "mm: thp: split huge page to any lower order pages" introduced an early check on the folio's order via mapping-flags before proceeding with the...

CVE-2025-68293 mm/huge_memory: fix NULL pointer deference when splitting folio

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix NULL pointer deference when splitting folio Commit c010d47f107f "mm: thp: split huge page to any lower order pages" introduced an early check on the folio's order via mapping-flags before proceeding with the...

PT-2025-51697

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s memory management subsystem, specifically within the huge memory handling related to folio splitting. A NULL pointer dereference can occur when...

DEBIAN-CVE-2025-40270

In the Linux kernel, the following vulnerability has been resolved: mm, swap: fix potential UAF issue for VMA readahead Since commit 78524b05f1a3 "mm, swap: avoid redundant swap device pinning", the common helper for allocating and preparing a folio in the swap cache layer no longer tries to get ...

CVE-2025-40270

CVE-2025-40270 pertains to the Linux kernel vulnerability in the swap/cache path affecting VMA readahead. The root cause described across sources is that after the commit 78524b05f1a3, the common helper in the swap cache layer stopped taking a swap device reference internally because callers alre...

CVE-2025-40270 mm, swap: fix potential UAF issue for VMA readahead

In the Linux kernel, the following vulnerability has been resolved: mm, swap: fix potential UAF issue for VMA readahead Since commit 78524b05f1a3 "mm, swap: avoid redundant swap device pinning", the common helper for allocating and preparing a folio in the swap cache layer no longer tries to get ...

CVE-2025-40270 mm, swap: fix potential UAF issue for VMA readahead

In the Linux kernel, the following vulnerability has been resolved: mm, swap: fix potential UAF issue for VMA readahead Since commit 78524b05f1a3 "mm, swap: avoid redundant swap device pinning", the common helper for allocating and preparing a folio in the swap cache layer no longer tries to get ...