SB2025100892 - NULL pointer dereference in Linux kernel display amdgpu_dm driver
Published: October 8, 2025 Updated: October 26, 2025
Security Bulletin ID
SB2025100892
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-2022-50535)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the dm_resume() 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/00b655fa96b4e941351cc4bf5ca755a65ae94a8e
- https://git.kernel.org/stable/c/7a7175a2cd84b7874bebbf8e59f134557a34161b
- https://git.kernel.org/stable/c/8e365f1bd672cc9320a936f6ae6f8087aa40e9bc
- https://git.kernel.org/stable/c/9f73793b81637c60ccc83cc508645310b8ab7d80
- https://git.kernel.org/stable/c/bb9a5562beb982aa5ebb73c521c49596ff8b8030
- https://git.kernel.org/stable/c/d236103782de25736996a45bd36ac2a89bdc93c6
- https://git.kernel.org/stable/c/fd79b61af2782f8875c78f50cdb8630ec43e2990
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.276