SB2025122662 - Memory leak in Linux kernel configfs
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB2025122662
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-2022-50751)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the configfs_create_dir() and configfs_create_link() functions in fs/configfs/dir.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/07f82dca112262b169bec0001378126439cab776
- https://git.kernel.org/stable/c/74ac7c9ee2d486c501e7864c903f5098fc477acd
- https://git.kernel.org/stable/c/8bc77754224a2c8581727ffe2e958119b4e27c8f
- https://git.kernel.org/stable/c/90c38f57a821499391526b15cc944c265bd24e48
- https://git.kernel.org/stable/c/c65234b283a65cfbfc94619655e820a5e55199eb
- https://git.kernel.org/stable/c/c72eb6e6e49a71f7598740786568fafdd013a227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2