SB2025090861 - NULL pointer dereference in Linux kernel display amdgpu_dm driver
Published: September 8, 2025
Security Bulletin ID
SB2025090861
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-2025-39693)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the amdgpu_dm_connector_atomic_check() function in drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.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/07b93a5704b0b72002f0c4bd1076214af67dc661
- https://git.kernel.org/stable/c/0c1a486cbe6f9cb194e3c4a8ade4af2a642ba165
- https://git.kernel.org/stable/c/36a6b43573d152736eaf2557fe60580dd73e9350
- https://git.kernel.org/stable/c/6f860abff89417c0354b6ee5bbca188a233c5762
- https://git.kernel.org/stable/c/9c92d12b5cb9d9d88c12ae71794d3a7382fcdec0
- https://git.kernel.org/stable/c/f653dd30839eb4f573a7539e90b8a58ff9bedf2f