SB20250502234 - Improper error handling in Linux kernel mctp
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502234
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) Improper error handling (CVE-ID: CVE-2022-49854)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the mctp_routes_init() function in net/mctp/route.c, within the mctp_init() function in net/mctp/af_mctp.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/216c83222d2eb24b0e63df56e8740b02c33286e8
- https://git.kernel.org/stable/c/49d8a6e24a3496d86e8d8ae748375df984fb6d6f
- https://git.kernel.org/stable/c/d4072058af4fd8fb4658e7452289042a406a9398
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.79
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1