Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed to avoid NULL pointer dereferencing in f2fscheckquotaconsistency. The syzbot reported the following f2fs bug: Oops: gen 107.736417T5848. Oops: general protection fault, likely due to a non-canonical address...

The vulnerability of the f2fs_check_quota_consistency() function in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the f2fscheckquotaconsistency function in the Linux operating system is related to an error in pointer arithmetic. Exploiting this vulnerability could allow a attacker to cause service failures...

CVE-2025-40138

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid NULL pointer dereference in f2fscheckquotaconsistency syzbot reported a f2fs bug as below: Oops: gen 107.736417 T5848 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 ...

UBUNTU-CVE-2025-40138

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid NULL pointer dereference in f2fscheckquotaconsistency syzbot reported a f2fs bug as below: Oops: gen 107.736417 T5848 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 ...

CVE-2025-40138 f2fs: fix to avoid NULL pointer dereference in f2fs_check_quota_consistency()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid NULL pointer dereference in f2fscheckquotaconsistency syzbot reported a f2fs bug as below: Oops: gen 107.736417 T5848 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 ...

CVE-2025-40138

Summary: CVE-2025-40138 affects the Linux kernel f2fs quota maintenance path. The issue is a NULL pointer dereference in f2fs_check_quota_consistency(), triggered by unsafe handling before comparing old_qname/new_qname pointers during remount/quotacheck flows. The bug’s direct cause is a potentia...

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 Linux kernel that stems from an unchecked quota consistency that could lead to a null pointer dereference...

PT-2025-46613

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.17.0-rc1-syzkaller-00014-g0e39a731820a Description The Linux kernel contains a flaw in the f2fs filesystem implementation. Specifically, a NULL pointer dereference can occur within the f2fs check quota...