SB20260925222 - Unchecked Return Value in Linux kernel qcom iris driver
Published: September 25, 2026
Security Bulletin ID
SB20260925222
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) Unchecked Return Value (CVE-ID: CVE-2026-90406)
CWE-ID: CWE-252 - Unchecked Return Value
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 a runtime power-management reference imbalance.
The vulnerability exists due to unchecked return values in iris_core_deinit() when runtime power-management resume fails during core deinitialization. A local user can trigger core deinitialization while runtime power-management resume fails to cause a runtime power-management reference imbalance.
Remediation
Install update from vendor's website.