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 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002603)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002603 advisory. The sanitycheckrawsuper function in fs/f2fs/super.c in the Linux kernel before 4.11.1 does not validate the segment count, which allows local users to gain privilege...

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...

SUSE CVE-2023-54192

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix null pointer panic in tracepoint in replaceatomicwriteblock We got a kernel panic if oldaddr is NULL. https://bugzilla.kernel.org/showbug.cgi?id=217266 BUG: kernel NULL pointer dereference, address: 0000000000000000 Cal...

CVE-2023-54182

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to check readonly condition correctly With below case, it can mount multi-device image w/ rw option, however one of secondary device is set as ro, later update will cause panic, so let's introduce f2fsdevisreadonly, and...

PT-2025-53119

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.0.0-rc4 Description The Linux kernel contains a flaw within the f2fs file system related to sanity checks on summary information. This issue can lead to a use-after-free condition, specifically triggered by...

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...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from f2fs not properly enabling dcc-f2fsissuediscard in the wrong path, which could lead to a null pointer...

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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990342)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990342 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix f2fsbugon when uninstalling filesystem call f2fsevictinode. creating a large files duri...

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

...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986394)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986394 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: let's avoid panic if extenttree is not created This patch avoids the below panic. pc :...

EUVD-2023-59822

Malicious code in bioql PyPI...

f2fs: fix to shrink read extent node in batches

...

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

...