Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the fact that when allocating new folios in ntfscompresswrite, it does not mark them as uptodate...

CVE-2025-71309

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix deadlock in nireadfoliocmpr Syzbot reported a task hung in nireadpagecmpr now nireadfoliocmpr. This is caused by a lock inversion deadlock involving the inode mutex nilock and page locks. Scenario: 1. Task A enters...

PT-2026-43809

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the ext4 file system between page migration and bitmap modification during mixed huge-page workloads. The issue occurs because the fast path of the load buddy...

PT-2026-43693

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ntfs3 file system where new folios are not properly initialized before use. This occurs when new folios are allocated without being marked as uptodate and the ni...

RXSA-2026:3488 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: smc: Use skdstget and dstdevrcu in smcclcprfxmatch CVE-2025-40168 kernel: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr CVE-2025-71085 kernel: Linux kernel: Denial of Servic...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iomap: A possible overflow condition in iomapwritedelallocscan has been fixed. folionextindex returns a signed long value; if PAGESHIFT is shifted to the left, it may cause an overflow on 32-bit systems. Instead, use folioposfoli...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: erofs: fixed the runtime warning in truncatefoliobatchexceptionals Commit 0e2f80afcfa6 "fs/dax: ensure all pages are idle before filesystem unmount" introduced the WARNONONCE to check whether the filesystem has removed all DAX...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fuse: We are returning to using readaheadfolio for readahead. In commit 3eab9d7bc2f4 “fuse: converting readahead to use folio”, the logic was changed to use the new folio version of readahead. This removes the reference to the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: The srcfolio field was changed after ensuring it was not pinned in the UFFDIOMOVE operation. The commit d7a08838ab74 “mm: userfaultfd: fix unexpected changes to srcfolio when UFFDIOMOVE fails” changed the value of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: Fixed incorrect early exits in volume label handling. Crafted EROFS images containing valid volume labels may trigger incorrect early returns, resulting in folio reference leaks. However, this does not cause system crashes...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: The blockinvalidatefolio method was provided to fix a memory leak. The ntfs3 filesystem lacks the invalidatefolio method, which causes a memory leak. If you write to the filesystem and then unmount it, the cached writte...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: memfdluo: always dirty all folios A “dirty folio” is one that has been written to. A “clean folio” is the opposite. Since a clean folio contains no user data, it can be freed under memory pressure. Preserving memfd by saving...

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 vulnerabilities have been resolved: ocfs2: Fixed a panic that occurred during failed allocation of folio blocks. The commits 7e119cff9d0a “ocfs2: converts wpages to wfolios” and 9a5e08652dc4b “ocfs2: uses an array of folios instead of an array of pages” fixed th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In mm: hugememory, there was a issue where the function mappinglargefoliosupport was misused for anonymous folios. When I conducted a split test involving large folios, a warning was triggered: “5059.122759T166 Cannot split file...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: fuse: fixed the runtime warning in truncatefoliobatchexceptionals The WARNONONCE flag was introduced in truncatefoliobatchexceptionals to determine whether the filesystem has removed all DAX entries. This fix has been applied ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Block devices with logical block size page size will be rejected when THP is disabled. If THP is disabled and there are block devices with logical block size page size, the following nullptrderef panic occurs during boot: 13.2 mK...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: Fixed potential out-of-bounds access to the page table during batched unmap operations. As pointed out by David1, the batched unmap logic in trytounmapone may read past the end of a PTE table when the PTE mappings of a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mshvvtl: Fixed the issue where vmemmapshift exceeded MAXFOLIOORDER. When registering VTL0 memory via MSHVADDVTL0MEMORY, the kernel calculates pgmap-vmemmapshift as the number of trailing zeros in the OR of startpfn and lastpfn. T...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: call -freefolio directly in foliounmapinvalidate. We can only call filemapfreefolio if we have a reference to or hold a lock on the mapping. Otherwise, we have already removed the folio from the mapping, so it no longer pinch...