SB20251216190 - Incorrect calculation in Linux kernel link accessories driver
Published: December 16, 2025
Security Bulletin ID
SB20251216190
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) Incorrect calculation (CVE-ID: CVE-2025-68196)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the dp_retrain_link_dp_test() function in drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.