SB20260918136 - Incomplete cleanup in Linux kernel firmware arm_scmi driver
Published: September 18, 2026
Security Bulletin ID
SB20260918136
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) Incomplete cleanup (CVE-ID: CVE-2026-93090)
CWE-ID: CWE-459 - Incomplete cleanup
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 resource leak.
The vulnerability exists due to incomplete cleanup in the SCMI channel setup error-handling path when SCMI channel setup fails. A local user can cause SCMI channel setup to fail to cause a resource leak.
Remediation
Install update from vendor's website.