F2FS Heap Buffer Overflow DoS

The vulnerability of the f2fsexpand inodedata function in the fs/f2fs/file.c module of the F2FS file system in the Linux operating system is related to the handling of general resources without synchronization race condition. Exploiting this vulnerability could allow a attacker to cause service...

F2FS Heap Buffer Overflow DoS

The vulnerability of the f2fssubmitmergedwrite function in the fs/f2fs/data.c file of the F2FS file system in the Linux operating system is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to access protected information or cause service failures...

ROS-20260324-73-0009

A vulnerability in the f2fs component of the Linux operating system kernel is related to the use of memory after it has been freed. Exploitation of the vulnerability allows an attacker to affect confidentiality, integrity and availability of protected information...

USN-8116-1: Linux kernel (Intel IoTG Real-time) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ACPI drivers; - ATM...

f2fs: fix IS_CHECKPOINTED flag inconsistency issue caused by concurrent atomic commit and checkpoint writes

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F2FS Heap Buffer Overflow DoS

The vulnerability of the f2fsdecompresscluster function in the fs/f2fs/compress.c module of the F2FS file system in the Linux operating system is related to insufficient resource locking. Exploiting this vulnerability could allow an attacker to compromise the integrity and accessibility of...

F2FS Heap Buffer Overflow DoS

The vulnerability of the isbitmapvalid function in the fs/f2fs/checkpoint.c module of the F2FS file system support in Linux’s operating system is related to buffer overflow based on a stack. Exploiting this vulnerability could allow an attacker to trigger a service failure...

F2FS Heap Buffer Overflow DoS

The vulnerability of the f2fsevict inode function in the fs/f2fs/inode.c module of the F2FS file system support in Linux operating systems is related to data processing errors. Exploiting this vulnerability could allow an attacker to cause a service failure...

UBUNTU-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-2026-23235

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix out-of-bounds access in sysfs attribute read/write Some f2fs sysfs attributes suffer from out-of-bounds memory access and incorrect handling of integer values whose size is not 4 bytes. For example: vm: echo 65537...

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-2026-23232

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 -...

F2FS Heap Buffer Overflow DoS

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...

F2FS Heap Buffer Overflow DoS

The vulnerability of the f2fswriterawpages function in the fs/f2fs/compress.c module of the F2FS file system in the Linux operating system is related to the occurrence of mutual locking. Exploiting this vulnerability could allow a remote attacker to cause service failure...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001400)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001400 advisory. An issue was discovered in the Linux kernel through 4.17.10. There is an out-of-bounds access in removedirtysegment in fs/f2fs/segment.c when mounting an f2fs image...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003381)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003381 advisory. An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.14. A denial of service out-of- bounds memory access and BUG can occur upon encountering an...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002754)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002754 advisory. An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.14. A denial of service out-of- bounds memory access and BUG can occur upon encountering an...

CVE-2025-71105

CVE-2025-71105 documents a Linux kernel issue in f2fs where two slab caches (f2fs_xattr_entry-7:3 and f2fs_xattr_entry-7:7) with identical slab sizes cause kmem_cache_sanity_check warnings during mount operations. The root cause is using per-sb slab caches instead of a single global slab, leading...

SUSE CVE-2025-71065

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock As Jiaming Zhang and syzbot reported, there is potential deadlock in f2fs as below: Chain exists of: &sbi-cprwsem -- fsreclaim -- sbinternal2 Possible unsafe locking scenario: CPU0 CPU1 ----...

CVE-2025-68796

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating zero-sized extent in extent cache As syzbot reported: F2FS-fs loop0: updateextenttreerange: extent len is zero, type: 0, extent 0, 0, 0, age 0, 0 ------------ cut here ------------ kernel BUG at...