SB20251230127 - Memory leak in Linux kernel jbd2
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251230127
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-2022-50835)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the fc_do_one_pass() function in fs/jbd2/recovery.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/1f48116cbd3404898c9022892e114dd7cc3063c1
- https://git.kernel.org/stable/c/27c7bd35135d5ab38b9138ecf186ce54a96c98d9
- https://git.kernel.org/stable/c/56fcd0788f0d9243c1754bd6f80b8b327c4afeee
- https://git.kernel.org/stable/c/dfff66f30f66b9524b661f311bbed8ff3d2ca49f
- https://git.kernel.org/stable/c/e65506ff181fc176088f32117d69b9cb1ddda777
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.150