SB2025100836 - Memory leak in Linux kernel mcb driver
Published: October 8, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100836
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-2022-50522)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the chameleon_parse_gdd() function in drivers/mcb/mcb-parse.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/110dc34c9fa33d37f55b394b1199ea6c0ad1ee84
- https://git.kernel.org/stable/c/43bfc7c2402a22d3b4eb08c040f274ba2b76461a
- https://git.kernel.org/stable/c/4a9f1a8b3af287581ffb690d0e1593c681729ddb
- https://git.kernel.org/stable/c/728ac3389296caf68638628c987aeae6c8851e2d
- https://git.kernel.org/stable/c/7b289b791a59386dc23a00d3cf17a0db984b40d3
- https://git.kernel.org/stable/c/891f606ae0765bc9ca99f5276735be4d338f0255
- https://git.kernel.org/stable/c/b948baa29394ec5f4e6ec28486e7d06a76caee91
- https://git.kernel.org/stable/c/cf6e70c0ced50b52415ac0c88eba1fb09c500a5a
- https://git.kernel.org/stable/c/fd85ece416fd7edb945203e59d4cd94952f77e7c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.270