SB2026091820 - Use-after-free in Linux kernel drm bridge
Published: September 18, 2026
Security Bulletin ID
SB2026091820
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2026-93195)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause resource leaks or use-after-free conditions.
The vulnerability exists due to improper resource cleanup in the DisplayPort AUX channel lifecycle when handling cleanup after dw_dp_bind(). A local user can trigger the affected cleanup path without unregistering the AUX adapter to cause resource leaks or use-after-free conditions.
Remediation
Install update from vendor's website.