CVE-2026-23234 f2fs: fix to avoid UAF in f2fs_write_end_io()

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-2026-23233

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid mapping wrong physical block for swapfile Xiaolong Guo reported a f2fs bug in bugzilla 1 1 https://bugzilla.kernel.org/showbug.cgi?id=220951 Quoted: "When using stress-ng's swap stress test on F2FS filesystem...

CVE-2026-23233 f2fs: fix to avoid mapping wrong physical block for swapfile

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid mapping wrong physical block for swapfile Xiaolong Guo reported a f2fs bug in bugzilla 1 1 https://bugzilla.kernel.org/showbug.cgi?id=220951 Quoted: "When using stress-ng's swap stress test on F2FS filesystem...

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-2026-23234 f2fs: fix to avoid UAF in f2fs_write_end_io()

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-2026-23234

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 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...

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 -...

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...

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...

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-2026-22918

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...

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...

The vulnerability of the blockOperations() function in the fs/f2fs/checkpoint.c module of the Linux kernel’s F2FS file system allows a hacker to cause a system failure.

The vulnerability of the blockOperations function in the fs/f2fs/checkpoint.c module of the Linux kernel’s File System F2FS involves a lack of synchronization during the handling of general resources race conditions. Exploiting this vulnerability can allow an attacker 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 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 operating 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...

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...