CVE-2026-46194

A flaw was found in the Linux kernel's f2fs filesystem. A race condition exists between the f2fsdestroyextentnode function and concurrent writeback operations. This occurs because f2fsdestroyextentnode does not properly set a flag FINOEXTENT before clearing extent nodes, allowing new extent nodes...

CVE-2026-46194

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix nodecnt race between extent node destroy and writeback f2fsdestroyextentnode does not set FINOEXTENT before clearing extent nodes. When called from f2fsdropinode with ISYNC set, concurrent kworker writeback can insert n...

EUVD-2026-32802

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix fsck inconsistency caused by FGGC of node block During FGGC node block migration, fsck may incorrectly treat the migrated node block as fsync-written data. The reproduction scenario: root@vm:/mnt/f2fs seq 1 2048 | xargs...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: zone: Fix was made to avoid inconsistencies between SIT and SSA. With the above testcase, inconsistencies may occur between SIT and SSA. Example code: createnullblk 512 2 1024 1024 mkfs.f2fs -m /dev/nullb0 mount /dev/nullb0...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: Split the initial and dynamic conditions for extentcache. Let’s allocate the extentcache tree without dynamic conditions to avoid a panic caused by a missing condition, as shown below. Create a file with a compressed fla...

Astra Linux - уязвимость в linux-5.15, linux-5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to call f2fswaitonpagewriteback in f2fswriterawpages BUGON will be triggered when writing files concurrently, because the same page is writtenback multiple times. 1597 void folioendwritebackstruct folio folio...

Astra Linux - уязвимость в linux-5.10, 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...

Astra Linux - уязвимость в linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid out-of-boundary access in dnode page As Jiaming Zhang reported: dumpstack lib/dumpstack.c:94 inline dumpstacklvl+0x1c1/0x2a0 lib/dumpstack.c:120 printaddressdescription mm/kasan/report.c:378 inline...

Astra Linux - уязвимость в linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: The online repair mechanism for corrupted directories has been removed. The syzbot reports the following f2fs bug: Kernel BUG at fs/f2fs/inode.c:896! RIP: 0010:f2fsevict inode+0x1598/0x15c0 fs/f2fs/inode.c:896 Call Trace:...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010968)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010968 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix information leak in f2fsmoveinlinedirents When converting an inline directory to a...

ROS-20260408-73-0006

A vulnerability in the fs/f2fs component of the Linux operating system kernel is related to a buffer overflow on the stack. Exploitation of the vulnerability allows an attacker to cause a denial of service...

CVE-2026-23267 f2fs: fix IS_CHECKPOINTED flag inconsistency issue caused by concurrent atomic commit and checkpoint writes

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix ISCHECKPOINTED flag inconsistency issue caused by concurrent atomic commit and checkpoint writes During SPO tests, when mounting F2FS, an -EINVAL error was returned from f2fsrecoverinodepage. The issue occurred under th...

Linux Distros Unpatched Vulnerability : CVE-2026-23233

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

SUSE 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...

EUVD-2026-9405

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...

DEBIAN-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...

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...

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...

SUSE CVE-2025-71107

In the Linux kernel, the following vulnerability has been resolved: f2fs: ensure node page reads complete before f2fsputsuper finishes Xfstests generic/335, generic/336 sometimes crash with the following message: F2FS-fs dm-0: detect filesystem reference count leak during umount, type: 9, count: ...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002301)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002301 advisory. A missing authorization check in the fscryptprocesspolicy function in fs/crypto/policy.c in the ext4 and f2fs filesystem encryption support in the Linux kernel befor...