SB2025040268 - NULL pointer dereference in Linux kernel dc core driver
Published: April 2, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025040268
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-2025-21941)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the resource_build_scaling_params() function in drivers/gpu/drm/amd/display/dc/core/dc_resource.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/3748fad09d89e9a5290e1738fd6872a79f794743
- https://git.kernel.org/stable/c/374c9faac5a763a05bc3f68ad9f73dab3c6aec90
- https://git.kernel.org/stable/c/3b3c2be58d5275aa59d8b4810a59f173f2f5bac1
- https://git.kernel.org/stable/c/c1e54752dc12e90305eb0475ca908f42f5b369ca
- https://git.kernel.org/stable/c/e0345c3478f185ca840daac7f08a1fcd4ebec3e9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.19