PT-2026-61129

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description A race condition in the F2FS Flash-Friendly File System implementation can lead to list corruption and kernel panics, particularly when the F2FS partition is nearly full. The issue occur...

PT-2026-61070

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An inconsistency in the f2fs file system occurs during fsck operations due to the incorrect usage of nat entry flags. The function f2fs need dentry mark reads these flags without mutual...

The vulnerability of the dec_valid_node_count() function in the fs/f2fs/f2fs.h module of the F2FS file system support for Linux kernel allows a malicious actor to cause a service failure.

The vulnerability of the decvalidnodecount function in the fs/f2fs/f2fs.h module of the F2FS file system support for Linux operating systems is related to code errors. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the f2fs_io_schedule_timeout() function in the fs/f2fs/f2fs.h module of the F2FS file system support in Linux kernel allows a attacker to trigger a service failure.

The vulnerability of the f2fsioscheduletimeout function in the fs/f2fs/f2fs.h module of the F2FS file system support in Linux’s kernel involves executing a loop with an unreachable exit condition an “infinite loop”. Exploiting this vulnerability could allow a attacker to cause a service failure...

CVE-2026-53303 f2fs: protect extension_list reading with sb_lock in f2fs_sbi_show()

In the Linux kernel, the following vulnerability has been resolved: f2fs: protect extensionlist reading with sblock in f2fssbishow In f2fssbishow, the extensionlist, extensioncount and hotextcount are read without holding sbi-sblock. If a concurrent sysfs store modifies the extension list via...

CVE-2026-53018 f2fs: avoid reading already updated pages during GC

In the Linux kernel, the following vulnerability has been resolved: f2fs: avoid reading already updated pages during GC We found the following issue during fuzz testing: page: refcount:3 mapcount:0 mapping:00000000b6e89c65 index:0x18b2dc pfn:0x161ba9 memcg:f8ffff800e269c00 aops:f2fsmetaaops ino:2...

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 – Vulnerability in Linux 5.10

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

Astra Linux – Vulnerability in 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 – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: Synchronize atomic write aborts To address the race condition between atomic write aborts, I use the inode lock and ensure that the COW inode can be reused throughout the entire lifetime of the atomic file inode...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fixed 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...

The vulnerability of the f2fs_build_stats() function in the fs/f2fs/debug.c module of the F2FS file system in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the f2fsbuildstats function in the fs/f2fs/debug.c module of the F2FS file system in the Linux operating system is related to state management errors. Exploiting this vulnerability could allow an attacker to cause a service failure...

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...