SB20251230125 - Memory leak in Linux kernel ext4
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251230125
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2022-50845)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ext4_xattr_inode_create() function in fs/ext4/xattr.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0f709e08caffb41bbc9b38b9a4c1bd0769794007
- https://git.kernel.org/stable/c/322cf639b0b7f137543072c55545adab782b3a25
- https://git.kernel.org/stable/c/70e5b46beba64706430a87a6d516054225e8ac8a
- https://git.kernel.org/stable/c/9882601ee689975c1c0076ee65bf222a2a35e535
- https://git.kernel.org/stable/c/9ef603086c5b796fde1c7f22a17d0fc826ba54cb
- https://git.kernel.org/stable/c/e4db04f7d3dbbe16680e0ded27ea2a65b10f766a
- https://git.kernel.org/stable/c/eab94a46560f68d4bcd15222701ced479f84f427
- https://git.kernel.org/stable/c/fdaaf45786dc8c17a72901021772520fceb18f8c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.18