Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: turning foliotesthugetlb into a PageType. The current foliotesthugetlb function can be exploited by a concurrent folio split operation, resulting in a false positive—returning true for a folio that never belonged to hugetlbfs...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ceph: Do not propagate page array placement errors as batch errors When fscrypt is enabled, movedirtyfolioinpagearray may fail because it needs to allocate bounce buffers to store the encrypted versions of each folio. Each folio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Protect folio::private when attaching an extent buffer for folios BUG Since version 6.8, several people have reported rare kernel crashes. The common cause is incorrect page status error messages like this: BUG: Incorrect...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ceph: Always call cephShiftUnusedFoliosLeft The function cephProcessFolioBatch sets the folioBatch entries to NULL, which is an illegal state. Before folioBatchRelease crashes due to this API violation, the function...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cifs: A memory leak was fixed when using fscache. If the condition “index == nextcached” is encountered, a reference count of the struct page is leaked. This issue is fixed by using readaheadfolio, which handles the reference cou...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: zlib: fix the folio leak on S390 hardware acceleration BUG After committing aa60fe12b4f4 “btrfs: zlib: refactor S390x HW acceleration buffer preparation”, we no longer release the folio of the page cache of the folio...

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: cifs: The folio lock is released upon a successful read from fscache. Under the current code, when cifsreadpageworker is called, the contract between the caller and the callee is that the callee should unlock the page. This is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfs: Only call foliostartfscache once for each folio. If a network filesystem using netfs implements a clamplength function, it can set subrequest lengths that are smaller than the page size. When we loop through the folios in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: Fixed incorrect early exits for invalid “metabox-enabled” images. Crafted EROFS images with metadata compression enabled can trigger incorrect early returns, leading to folio reference leaks. However, this does not cause...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: When performing a btrfs mount, the block device is not set correctly. The user sets the block size of the block device to 0x4000 by executing the BLKBSZSET command. Since changing the block size also affects the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: lib/ioviter: fixed to increase the refcount of non-slab folio pages. When testing EROFS file-backed mounting over v9fs on Qemu, I encountered a UAF Use-after-Allocation issue with folio pages. The page sanity check reported the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: Fixed a livelock/fasting problem caused by hmmrangefault If hmmrangefault fails a foliotrylock in doswappage, and attempts to acquire the lock of a device-private folio for migration, the function will spin until it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iomap: fixed invalid folio access when iblkbits differs from the I/O granularity. The commit aa35ddcbc06 “iomap: fixed invalid folio access after folioendread” partially addressed invalid folio access for folios without an ifs...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: The issue of using NULL for folio handling in movepageshugepmd has been fixed. movepageshugepmd handles UFFDIOMOVE operations for both normal THPs and huge zero pages. For the huge zero page, srcfolio is explicitly...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfs: Fixed the early read unlock of pages with an EOF condition in the middle. The collection of read results for buffered reads sometimes progresses ahead of the completion of subrequests under certain circumstances. This can ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fixed the potential overflow of the shmem scatterlist length When a scatterlists table of a GEM shmem object with a size of 4 GB or more is populated with pages allocated from the folio format, the .length attribute of...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021575)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021575 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: check folio mapping after unlock in relocateonefolio When we call btrfsreadfolio to bring ...

CVE-2026-43489 liveupdate: luo_file: remember retrieve() status

In the Linux kernel, the following vulnerability has been resolved: liveupdate: luofile: remember retrieve status LUO keeps track of successful retrieve attempts on a LUO file. It does so to avoid multiple retrievals of the same file. Multiple retrievals cause problems because once the file is...

SUSE CVE-2026-43348

In the Linux kernel, the following vulnerability has been resolved: mshvvtl: Fix vmemmapshift exceeding MAXFOLIOORDER When registering VTL0 memory via MSHVADDVTL0MEMORY, the kernel computes pgmap-vmemmapshift as the number of trailing zeros in the OR of startpfn and lastpfn, intending to use the...

SUSE CVE-2026-43404

In the Linux kernel, the following vulnerability has been resolved: mm: Fix a hmmrangefault livelock / starvation problem If hmmrangefault fails a foliotrylock in doswappage, trying to acquire the lock of a device-private folio for migration, to ram, the function will spin until it succeeds...