SB2026032584 - NULL Pointer Dereference in Linux kernel gpu drm driver
Published: March 25, 2026
Security Bulletin ID
SB2026032584
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-2026-23366)
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a NULL pointer dereference in the DRM client component when handling memory allocation failure during mode probing. A local user can trigger an error condition that leads to dereferencing a NULL pointer, resulting in a system crash.
Remediation
Install update from vendor's website.