SB2025121045 - Memory leak in Linux kernel mfd driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025121045
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-2023-53779)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the dln2_probe() function in drivers/mfd/dln2.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/1e453cb55014367a84655203c31d57dfa87e005e
- https://git.kernel.org/stable/c/1fa3fb4f70184254af437ccd59fd1c091a90d518
- https://git.kernel.org/stable/c/6a1a72a8cfdad6911a7167405b63545ad781fbe2
- https://git.kernel.org/stable/c/71fa6f134d13822a5dd906327de04aad8e903e49
- https://git.kernel.org/stable/c/77f43c014a770c4dcbdeed7cda6884c29382eb0f
- https://git.kernel.org/stable/c/96da8f148396329ba769246cb8ceaa35f1ddfc48
- https://git.kernel.org/stable/c/aa5a8673d71124e7dcdd497ec2accebc15bd6ca3
- https://git.kernel.org/stable/c/fa045c911f0bfc0305c71618ab5630153faf86a4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4