PT-2025-27994 · Linux+5 · Linux Kernel+5
Published
2025-07-04
·
Updated
2026-05-26
·
CVE-2025-38219
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions:
Linux kernel versions prior to the fixed version
Description:
A vulnerability in the Linux kernel has been resolved, which prevented a kernel warning due to a negative i nlink from a corrupted image. The issue was related to the f2fs file system. Technical details about the issue include a warning message with a call trace, indicating a problem in the drop nlink function at fs/inode.c:417. The vulnerability was caused by a corrupted image, leading to a negative i nlink value.
Recommendations:
For Linux kernel versions prior to the fixed version, update to the latest version to resolve the issue. As a temporary workaround, consider disabling the f2fs file system until a patch is available. Restrict access to the vulnerable
drop nlink function to minimize the risk of exploitation. Avoid using the f2fs i links write function in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.Exploit
RCE
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Debian
Linuxmint
Linux Kernel
Red Os
Ubuntu