Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: Initialization of locks is performed earlier in f2fsfillsuper. syzbot reports a lockdep warning at f2fshandleerror 1. The call to spinlock&sbi-errorlock occurs before spinlockinit is called. To ensure safe locking during...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

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

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: Fixed the issue where f2fswaitonpagewriteback was called in f2fswriterawpages. A BUG will be triggered when writing files concurrently, because the same page may be written back multiple times. The bug occurs at...

Linux Distros Unpatched Vulnerability : CVE-2026-80591

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - f2fs: fix listxattr handling of corrupted xattr entries Validate the xattr entry before reading its fields in f2fslistxattr. Return -EFSCORRUPTED when the entry...

SUSE CVE-2026-68459

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential deadlock in gcmerge path of f2fsbalancefs When we mount device w/ gcmerge mount option, we may suffer below potential deadlock: Kworker GC trehad Truncator - f2fswritecachepages - f2fswritesingledatapage -...

SUSE CVE-2026-68460

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential deadlock in f2fsbalancefs When the f2fs filesystem space is nearly exhausted, we encounter deadlock issues as below: INFO: task A:1890 blocked for more than 120 seconds. Tainted: G O 6.12.41-g3fe07ddf05ab 1...

Astra Linux – Vulnerability in 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 – Vulnerability found in 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:...

CVE-2026-68460

A flaw was found in the Linux kernel's f2fs filesystem. When the filesystem space is nearly exhausted, a local attacker could trigger a deadlock within the f2fsbalancefs function. This can cause system tasks to become unresponsive, leading to a Denial of Service DoS condition...

Linux Distros Unpatched Vulnerability : CVE-2026-68459

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - f2fs: fix potential deadlock in gcmerge path of f2fsbalancefs When we mount device w/ gcmerge mount option, we may suffer below potential deadlock: Kworker GC...

CVE-2026-63815

A flaw was found in the Linux kernel's f2fs Flash-Friendly File System component. When processing a specially crafted f2fs filesystem image, an attacker can trigger an out-of-bounds read. This occurs because the system incorrectly validates the size of inline extended attributes, leading to...

CVE-2026-63814

In the Linux kernel, the following vulnerability has been resolved: f2fs: validate ACL entry sizes in f2fsaclfromdisk f2fsaclcount only validates the aggregate ACL xattr length. A malformed ACL can still place ACLUSER or ACLGROUP in a slot that only contains struct f2fsaclentryshort bytes, and...

CVE-2026-63812

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix incorrect FINOEXTENT handling in destroyextentnode When destroyextentnode sets the inode flag FINOEXTENT, it does not reset the length of the largest extent to 0 and update the inode folio. Since modifications to the...

CVE-2026-53303

A flaw was found in the Linux kernel's f2fs filesystem. This vulnerability allows for potential out-of-bounds memory access or the display of stale data. It occurs because the extensionlist and related counts are read without proper synchronization, enabling a concurrent system file system sysfs...

CVE-2026-53303

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-2026-53017

A flaw was found in the Linux kernel's f2fs filesystem. This vulnerability can lead to data loss when a file synchronization fsync operation on a newly created file occurs at the same time as a checkpoint operation. The system incorrectly assumes that a checkpoint has completed, which can result ...

The vulnerability of the functions __is_bitmap_valid() (fs/f2fs/checkpoint.c) and do_recover_data() (fs/f2fs/recovery.c) in the Linux kernel-based file system F2FS allows a attacker to trigger a service failure.

The vulnerability of the isbitmapvalid function fs/f2fs/checkpoint.c and dorecoverdata function fs/f2fs/recovery.c in the Linux kernel-based file system F2FS is related to incorrect validation of input data. Exploiting this vulnerability could allow an attacker to trigger a service failure...

CVE-2026-53018

A flaw was found in the Linux kernel's f2fs filesystem. During garbage collection, a race condition can occur when a page is moved and updated, but the system attempts to read it again from an outdated location. This can trigger a kernel bug, leading to a system crash and a denial of service DoS....

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-2026-46194

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...