Improper resource shutdown or release in Linux kernel - CVE-2026-43142
Published: May 7, 2026
Vulnerability identifier: #VU130600
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-43142
CWE-ID: CWE-404
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource shutdown or release in internal buffers in the iris gen1 media driver when handling firmware buffer release responses across resolution changes. A local user can trigger resolution changes to cause a denial of service.
The issue can leave stale allocations until the session is closed.
Affected software
Linux kernel
How to mitigate CVE-2026-43142
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3