1524 matches found
CVE-2026-45942
Summary of CVE-2026-45942 : A race condition in the Linux kernel ext4 bitmap handling enables inconsistent bitmap reporting due to concurrent page migration and bitmap modification in the load_buddy path. The root cause is that the fast load_buddy path only increments the folio refcount and can o...
CVE-2026-45942 ext4: fix e4b bitmap inconsistency reports
In the Linux kernel, the following vulnerability has been resolved: ext4: fix e4b bitmap inconsistency reports A bitmap inconsistency issue was observed during stress tests under mixed huge-page workloads. Ext4 reported multiple e4b bitmap check failures like: ext4mbcomplexscangroup:2508: group...
CVE-2025-71309 fs/ntfs3: fix deadlock in ni_read_folio_cmpr
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...
CVE-2025-71309 fs/ntfs3: fix deadlock in ni_read_folio_cmpr
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...
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...
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...
PT-2026-43692
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix deadlock in ni read folio cmpr Syzbot reported a task hung in ni readpage cmpr now ni read folio cmpr. This is caused by a lock inversion deadlock involving the inode mutex ni lock and page locks. Scenario: 1. Task ...
PT-2026-43933
Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.18.16 Linux kernel version 6.19.6 Linux kernel version 7.0-rc1 Description An off-by-one error exists in the Ceph component of the Linux kernel. The issue occurs when move dirty folio in page array fails to allocate a...
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...
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 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 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 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: 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: 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: 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: 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: 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...