SB20251001200 - Input validation error in Linux kernel hw cxgb4 driver
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001200
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) Input validation error (CVE-ID: CVE-2023-53476)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the c4iw_fill_res_cm_id_entry() function in drivers/infiniband/hw/cxgb4/restrack.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/24278dc380aab6a1aef0a75317f57ad4c2453cf6
- https://git.kernel.org/stable/c/4ca446b127c568b59cb8d9748b6f70499624bb18
- https://git.kernel.org/stable/c/76e0396313c79ecd0df44ee3c18745cfac52b3e6
- https://git.kernel.org/stable/c/dd55240e4364d64befcc575b0d33091881524f42
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3