SB2025040229 - Memory leak in Linux kernel mctp
Published: April 2, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025040229
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-2025-21972)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the mctp_test_route_input_sk_fail_frag() and KUNIT_CASE() functions in net/mctp/test/route-test.c, within the mctp_frag_queue() function in net/mctp/route.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/5c47d5bfa7b096cf8890afac32141c578583f8e0
- https://git.kernel.org/stable/c/f44fff3d3c6cd67b6f348b821d73c4d6888c7a6e
- https://git.kernel.org/stable/c/f5d83cf0eeb90fade4d5c4d17d24b8bee9ceeecc
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.20
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14