UBUNTU-CVE-2026-72190

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix mreclock ABBA deadlock in rename ntfsfilefsync, ntfsdirfsync and ntfswriteinode lock an inode's mreclock before taking the mreclock of its parent directory. ntfsrename takes oldni-mreclock and olddirni-mreclock before...

CVE-2026-74307

In the Linux kernel, the following vulnerability has been resolved: ext4: validate donor file superblock early in EXT4IOCMOVEEXT Reject the EXT4IOCMOVEEXT ioctl early if the donor file does not belong to the same superblock as the original file. Currently, this validation is performed inside...

CVE-2026-74307 ext4: validate donor file superblock early in EXT4_IOC_MOVE_EXT

In the Linux kernel, the following vulnerability has been resolved: ext4: validate donor file superblock early in EXT4IOCMOVEEXT Reject the EXT4IOCMOVEEXT ioctl early if the donor file does not belong to the same superblock as the original file. Currently, this validation is performed inside...

CVE-2026-74307 ext4: validate donor file superblock early in EXT4_IOC_MOVE_EXT

In the Linux kernel, the following vulnerability has been resolved: ext4: validate donor file superblock early in EXT4IOCMOVEEXT Reject the EXT4IOCMOVEEXT ioctl early if the donor file does not belong to the same superblock as the original file. Currently, this validation is performed inside...

EUVD-2026-59454

In the Linux kernel, the following vulnerability has been resolved: ext4: validate donor file superblock early in EXT4IOCMOVEEXT Reject the EXT4IOCMOVEEXT ioctl early if the donor file does not belong to the same superblock as the original file. Currently, this validation is performed inside...

EUVD-2026-58948

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix mreclock ABBA deadlock in rename ntfsfilefsync, ntfsdirfsync and ntfswriteinode lock an inode's mreclock before taking the mreclock of its parent directory. ntfsrename takes oldni-mreclock and olddirni-mreclock before...

PT-2026-72779

In the Linux kernel, the following vulnerability has been resolved: kernfs: fix xattr race condition with multiple superblocks Multiple superblocks with different namespaces can share the same kernfs node when kernfs test super finds a matching root but different namespace. This means multiple...

CVE-2026-64600 xfs: resample the data fork mapping after cycling ILOCK

In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK xfsreflinkfillcowhole,delalloc are both presented with an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle the ILOCK to grab a...

CVE-2026-64160

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix potential for tearing in -remoteisize and -zeropoint Fix potential tearing in using -remoteisize and -zeropoint by copying isizeread and isizewrite and using the same seqcount as for isize. We need to make sure that...

EUVD-2026-45845

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix potential for tearing in -remoteisize and -zeropoint Fix potential tearing in using -remoteisize and -zeropoint by copying isizeread and isizewrite and using the same seqcount as for isize. We need to make sure that...

CVE-2026-64160

CVE-2026-64160 involves a Linux kernel netfs issue where tearing could occur in remote_i_size and zero_point updates. The fix copies i_size_read() and i_size_write() and uses the same seqcount as i_size to prevent i_size_seqcount corruption, and requires netfslib and filesystems using it to hold ...

CVE-2026-64160 netfs: Fix potential for tearing in ->remote_i_size and ->zero_point

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix potential for tearing in -remoteisize and -zeropoint Fix potential tearing in using -remoteisize and -zeropoint by copying isizeread and isizewrite and using the same seqcount as for isize. We need to make sure that...

CVE-2026-64062

The CVE-2026-64062 issue affects the Linux kernel netfs subsystem, specifically a deadlock risk in write-through mode. The fix in netfs_advance_writethrough() ensures the supplied folio is always unlocked and marked dirty if not yet at the end; however, writeback cannot occur until the folio is d...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 kernel was updated to fix various security issues The following security issues were fixed: CVE-2025-10263: arm64: errata: Mitigate TLBI errata on various Arm CPUs bsc1266290. CVE-2025-68324: scsi: imm: Fix use-after-free bug caused by unfinished delayed work...

UBUNTU-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...

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

CVE-2025-71309 concerns the Linux kernel ntfs3 driver deadlock in ni_read_folio_cmpr (formerly ni_readpage_cmpr). The issue stems from lock inversion between the inode mutex (ni_lock) and per-page locks when reading a compressed frame, allowing Task A and Task B to deadlock. The symptom is a task...

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...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: fixed a warning in ext4iomapbegin due to a race between bmap and write The issue occurs as follows: ------------ cut here ------------ WARNING: CPU: 3 PID: 9310 at fs/ext4/inode.c:3441 ext4iomapbegin+0x182/0x5d0 RIP:...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ubifs: Fixed races between xattrset|get and listxattr operations. Some issues may occur when performing concurrent xattrset|get and listxattr operations, such as assertion failures, memory corruption, and stale xattr values1. The...