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 nodecnt competition between the destruction and write-back operations of extent nodes in f2fs...

Astra Linux - уязвимость в linux-5.10, linux

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fixed the issue of dereferencing a stale list iterator after the loop body. The list iterator variable will become a bogus pointer if no break is executed. Dereferencing it in this case, cur-page could result in an...

CVE-2026-43349

A flaw was found in the Linux kernel's Flash-Friendly File System f2fs. This vulnerability allows a local attacker to cause an uninitialized value access in the f2fssanitychecknodefooter function. This occurs when the system fails to read data from a device into a folio, potentially leading to...

UBUNTU-CVE-2026-43349

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid uninit-value access in f2fssanitychecknodefooter syzbot reported a f2fs bug as below: BUG: KMSAN: uninit-value in f2fssanitychecknodefooter+0x374/0xa20 fs/f2fs/node.c:1520 f2fssanitychecknodefooter+0x374/0xa20...

CVE-2026-31715

A flaw was found in the Linux kernel's Flash-Friendly File System f2fs. A use-after-free vulnerability exists due to incorrect handling of page counts during concurrent write operations and unmounting. This can lead to a NULL pointer dereference, causing the system to panic and resulting in a...

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...

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 a deadlock issue in the f2fsenablecheckpoint function...

ROS-20260126-73-0036

A vulnerability in the f2fs component of the Linux operating system kernel is related to unchecked array indexing. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004056)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004056 advisory. In the Linux kernel 5.0.21, mounting a crafted f2fs filesystem image can cause a NULL pointer dereference in f2fsrecoverfsyncdata in fs/f2fs/recovery.c. This is...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001103)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001103 advisory. The sanitycheckckpt function in fs/f2fs/super.c in the Linux kernel before 4.12.4 does not validate the blkoff and segno arrays, which allows local users to gain...

CVE-2025-68772

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...

EUVD-2023-60158

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...

DEBIAN-CVE-2023-53796

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix information leak in f2fsmoveinlinedirents When converting an inline directory to a regular one, f2fs is leaking uninitialized memory to disk because it doesn't initialize the entire directory block. Fix this by...

PT-2025-49656

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix information leak in f2fs move inline dirents When converting an inline directory to a regular one, f2fs is leaking uninitialized memory to disk because it doesn't initialize the entire directory block. Fix this by...

EUVD-2023-60071

In the Linux kernel, the following vulnerability has been resolved: irqchip/irq-mvebu-gicp: Fix refcount leak in mvebugicpprobe ofirqfindparent returns a node pointer with refcount incremented, We should use ofnodeput on it when not needed anymore. Add missing ofnodeput to avoid refcount leak...

CVE-2025-40137

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to truncate first page in error path of f2fstruncate syzbot reports a bug as below: loop0: detected capacity change from 0 to 40427 F2FS-fs loop0: Wrong SSA boundary, start3584 end4096 blocks3072 F2FS-fs loop0: Can't fi...

UBUNTU-CVE-2025-40150

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid migrating empty section It reports a bug from device w/ zufs: F2FS-fs dm-64: Inconsistent segment 173822 type 1, 0 in SSA and SIT F2FS-fs dm-64: Stopped filesystem due to reason: 4 Thread A Thread B -...

CVE-2025-40137

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to truncate first page in error path of f2fstruncate syzbot reports a bug as below: loop0: detected capacity change from 0 to 40427 F2FS-fs loop0: Wrong SSA boundary, start3584 end4096 blocks3072 F2FS-fs loop0: Can't fi...

f2fs: fix to drop all discards after creating snapshot on lvm device

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f2fs: compress: fix to guarantee persisting compressed blocks by CP

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