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

CVE-2026-64062 is a deadlock in the Linux kernel's netfs (network file systems library) subsystem, specifically in netfs_advance_writethrough(). In write-through mode , the function could fail to unlock the supplied folio before marking it dirty, leading to a deadlock against mmapped reads and wr...

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: f2fs: Synchronize atomic write aborts To address the race condition between atomic write aborts, I use the inode lock and ensure that the COW inode can be reused throughout the entire lifetime of the atomic file inode...

Linux Distros Unpatched Vulnerability : CVE-2026-31598

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: fix possible deadlock between unlink and dioendiowrite ocfs2unlink takes orphan dir inodelock first and then ipallocsem, while in ocfs2dioendiowrite, it...

EUVD-2026-25491

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix possible deadlock between unlink and dioendiowrite ocfs2unlink takes orphan dir inodelock first and then ipallocsem, while in ocfs2dioendiowrite, it acquires these locks in reverse order. This creates an ABBA lock...

PT-2026-34950

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock can occur in the ocfs2 module due to an ABBA lock ordering violation between the ocfs2 unlink and ocfs2 dio end io write functions. The ocfs2 unlink function acquires the orph...

CVE-2026-31448

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid infinite loops caused by residual data On the mkdir/mknod path, when mapping logical blocks to physical blocks, if inserting a new extent into the extent tree fails in this example, because the file system disabled th...

CVE-2026-31448 ext4: avoid infinite loops caused by residual data

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid infinite loops caused by residual data On the mkdir/mknod path, when mapping logical blocks to physical blocks, if inserting a new extent into the extent tree fails in this example, because the file system disabled th...

PT-2026-34353

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ext4 file system during the mkdir and mknod paths. When mapping logical blocks to physical blocks, if inserting a new extent into the extent tree fails, the ext4 e...

CVE-2025-68809

In the Linux kernel, the following vulnerability has been resolved: ksmbd: vfs: fix race on mflags in vfscache ksmbd maintains delete-on-close and pending-delete state in ksmbdinode-mflags. In vfscache.c this field is accessed under inconsistent locking: some paths read and modify mflags under...