CVE-2026-46175

A flaw was found in the Linux kernel's f2fs filesystem. During Foreground Garbage Collection FGGC of node blocks, the system fails to properly clear internal metadata marks. This can lead to filesystem inconsistencies, where the fsck utility may misinterpret the state of migrated data. A local us...

Astra Linux - уязвимость в linux-5.10, linux

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: A fix was made to perform a sanity check on the destination blkaddr during recovery. As Wenqing Liu reported in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=216456 loop5: A change in capacity was detected, from 0...

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

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: compress: fixed to avoid a use-after-free condition on dic. Call trace: memcpy+0x128/0x250 f2fsreadmultipages+0x940/0xf7c f2fsmpagereadpages+0x5a8/0x624 f2fsreadahead+0x5c/0x110 pagecacheraunbounded+0x1b8/0x590...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed the removal of the unnecessary f2fsbugon function to avoid panics. The verifyblkaddr function will trigger panics once we introduce a fault into f2fsisvalidblkaddr; this unnecessary f2fsbugon function has been...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: The issue was fixed by dropping all dirty pages during umount if cperror is set. xfstest generic/361 reports a bug as follows: f2fsbugonsbi, sbi-fsyncnodenum; Kernel bug at fs/f2fs/super.c:1627. RIP:...

Astra Linux - уязвимость в linux

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed to avoid potential deadlocks. The function f2fstrylockop was used in f2fswritecompressedpages to prevent potential deadlocks, just as we did in f2fswritesingledatapage...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: synchronize atomic write aborts To fix a race condition between atomic write aborts, I use the inode lock and make COW inode to be re-usable thoroughout the whole atomic file inode lifetime...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed a NULL pointer derefrence in f2fssubmitpagewrite BUG: NULL pointer derefrence in the kernel; address: 0000000000000014 RIP: 0010:f2fssubmitpagewrite+0x6cf/0x780 f2fs Call Trace: ? show regs+0x6e/0x80 ? die+0x29/0x70 ?...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential corruption when moving a directory F2FS has the same issue in ext4rename causing crash revealed by xfstests/generic/707. See also commit 0813299c586b "ext4: Fix possible corruption when moving a directory"...

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

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed the issue where dcc-f2fsissuediscard was not invalidated during the error path. Syzbot reports a NULL pointer dereference issue as follows: refcountadd include/linux/refcount.h:193 inline refcountinc...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fix for a kernel crash that occurred due to a null io-bio. We should return immediately if io-bio is null before performing any actions. Otherwise, a panic will occur. Bug: Kernel NULL pointer dereferencing, address:...

CVE-2026-31714

A flaw was found in the Linux kernel's F2FS Flash-Friendly File System component. This vulnerability, a memory leak, occurs within the f2fsrename function. A local attacker could exploit this by repeatedly performing file rename operations, leading to a gradual consumption of system memory. Over...

CVE-2026-31702

A flaw was found in the Linux kernel's F2FS Flash-Friendly File System component. A use-after-free vulnerability exists in the f2fscompresswriteendio function. This flaw is caused by a race condition during the compressed writeback completion path, where the system attempts to access memory that...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the improper memory release in the fscryptsetupfilename function within f2fsrename. This could le...

ROS-20260414-73-0061

A vulnerability in the f2fsdecompresscluster function of the fs/f2fs/compress.c module of the F2FS file system of the Linux kernel is related to insufficient resource locking. Exploitation of the vulnerability may allow an intruder to affect the integrity and availability of protected information...

CVE-2026-23267

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...

UBUNTU-CVE-2026-23265

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on node footer in read,writeendio ----------- cut here ------------ kernel BUG at fs/f2fs/data.c:358! Call Trace: blkupdaterequest+0x5eb/0xe70 block/blk-mq.c:987 blkmqendrequest+0x3e/0x70...

CVE-2026-23267

The CVE-2026-23267 issue is a Linux kernel f2fs race where an IS_CHECKPOINTED flag inconsistency during atomic commits could cause an -EINVAL in f2fs_recover_inode_page. The root cause is a race between f2fs_ioc_commit_atomic_write and f2fs_write_checkpoint, with the last_folio’s nat_entry flag n...

ROS-20260317-73-0003

A vulnerability in the fs/f2fs/inode.c module of the Linux kernel is related to mutual blocking of execution threads. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

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...