SB20250226439 - NULL pointer dereference in Linux kernel smc
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226439
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) NULL pointer dereference (CVE-ID: CVE-2022-49060)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the smc_pnet_find_ib() function in net/smc/smc_pnet.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/22025513ced3d599ee8b24169141c95cf2467a4a
- https://git.kernel.org/stable/c/35b91e49bc80ca944a8679c3b139ddaf2f8eea0f
- https://git.kernel.org/stable/c/3a523807f01455fe9a0c1a433f27cd4411ee400f
- https://git.kernel.org/stable/c/a05f5e26cb8bb4d07e0595545fcad1bb406f0085
- https://git.kernel.org/stable/c/d22f4f977236f97e01255a80bca2ea93a8094fc8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.112
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.35
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.190