SB2025121690 - NULL pointer dereference in Linux kernel dc core driver
Published: December 16, 2025
Security Bulletin ID
SB2025121690
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-2025-68286)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the dc_stream_get_scanoutpos() function in drivers/gpu/drm/amd/display/dc/core/dc_stream.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/09092269cb762378ca8b56024746b1a136761e0d
- https://git.kernel.org/stable/c/109e9c92543f3105e8e1efd2c5e6b92ef55d5743
- https://git.kernel.org/stable/c/3ce62c189693e8ed7b3abe551802bbc67f3ace54
- https://git.kernel.org/stable/c/62150f1e7ec707da76ff353fb7db51fef9cd6557
- https://git.kernel.org/stable/c/781f2f32e9c19eb791b52af283c96f9a9677a7f2
- https://git.kernel.org/stable/c/9d1a65cbe3ec5da3003c8434ac7a38dcdc958fd9
- https://git.kernel.org/stable/c/f7cf491cd5b54b5a093bd3fdf76fa2860a7522bf