SB20260507207 - Improper resource shutdown or release in Linux kernel qcom iris driver
Published: May 7, 2026
Security Bulletin ID
SB20260507207
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) Improper resource shutdown or release (CVE-ID: CVE-2026-43142)
CWE-ID: CWE-404 - Improper Resource Shutdown or Release
CVSSv4: 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/E:U/U:Clear
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.
Remediation
Install update from vendor's website.