CVE-2026-23234

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid UAF in f2fswriteendio As syzbot reported an use-after-free issue in f2fswriteendio. It is caused by below race condition: loop device umount - workerthread - loopprocesswork - doreqfilebacked - lorwaio -...

CVE-2026-23232 Revert "f2fs: block cache/dio write during f2fs_enable_checkpoint()"

In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: block cache/dio write during f2fsenablecheckpoint" This reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a. Original patch may cause below deadlock, revert it. write remount - writebegin - lockpage --- lock A -...

CVE-2026-23232

In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: block cache/dio write during f2fsenablecheckpoint" This reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a. Original patch may cause below deadlock, revert it. write remount - writebegin - lockpage --- lock A -...

CVE-2026-23232 Revert "f2fs: block cache/dio write during f2fs_enable_checkpoint()"

In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: block cache/dio write during f2fsenablecheckpoint" This reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a. Original patch may cause below deadlock, revert it. write remount - writebegin - lockpage --- lock A -...

CVE-2026-23232

In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: block cache/dio write during f2fsenablecheckpoint" This reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a. Original patch may cause below deadlock, revert it. write remount - writebegin - lockpage --- lock A -...

CVE-2026-23232

The CVE-2026-23232 entry pertains to the Linux kernel and the f2fs file system. According to the connected data, a patch intended to enable a block cache/DIO write during f2fs_enable_checkpoint() was reverted because the original patch could cause a deadlock. The revert sequence involves lock ord...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005699)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005699 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: prevent kernel warning due to negative inlink from corrupted image WARNING: CPU: 1 PID: 942...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005485)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005485 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on sitbitmapsize w/ below testcase, resize will generate a corrupted...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005568)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005568 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: Require FMODEWRITE for atomic write ioctls The F2FS ioctls for starting and committing atom...

PT-2026-22918

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw related to a reverted commit intended to address a deadlock issue. The original patch introduced a potential deadlock scenario involving write operations...

PT-2026-22919

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.6 and later Description A flaw exists in the f2fs filesystem within the Linux kernel related to swapfile handling. Specifically, the check swap activate function incorrectly maps physical blocks when a swapfile is small...

PT-2026-22920

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description The Linux kernel contains a use-after-free issue in the f2fs write end io function. This issue occurs due to a race condition where memory associated with the superblock sbi is freed whi...

PT-2026-22921

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The f2fs file system in the Linux kernel contains a flaw related to out-of-bounds memory access and incorrect handling of integer values when reading and writing sysfs attributes...

The vulnerability of the f2fsPutSuper() function in the fs/f2fs/super.c module of the F2FS file system in Linux operating systems allows a hacker to cause a service failure.

The vulnerability of the f2fsPutSuper function in the fs/f2fs/super.c module of the F2FS file system in Linux systems is related to errors during link counters updates. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

The vulnerability of the f2fs_alloc_nid() function in the fs/f2fs/node.c module of the F2FS file system in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the f2fsallocnid function in the fs/f2fs/node.c module of the F2FS file system in the Linux operating system is related to the improper disabling or release of resources. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid out-of-bounds access in f2fstruncateinodeblocks syzbot reports an UBSAN issue as below: ------------ cut here ------------ UBSAN: array-index-out-of-bounds in fs/f2fs/node.h:381:10 index 18446744073709550692 is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: vmunmapram may be called from an invalid context When testing F2FS with xfstests using UFS-backed virtual disks, the kernel sometimes reports that f2fsreleasedecompmem calls vmunmapram from an invalid context. An example...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005033)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005033 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid racing on fsyncentryslab by multi filesystem instances As syzbot reported, the...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005097)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005097 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't dirty inode for readonly filesystem syzbot reports f2fs bug as below: kernel B...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38347)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-38347 advisory. - In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on ino and...