Improper error handling in Linux kernel - CVE-2022-49854
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108329
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-49854
CWE-ID: CWE-388
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Linux kernel
How to mitigate CVE-2022-49854
Install update from vendor's website.
Linux kernel - addressed in versions 5.15.79, 6.0.9, 6.1
External 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