SB2026092893 - Improper resource shutdown or release in Linux kernel soc fsl
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB2026092893
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-2026-98093)
CWE-ID: CWE-404 - Improper Resource Shutdown or Release
CVSSv4: 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]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource shutdown or release in the fsl_micfil PCM hardware parameter and free handlers when handling PCM stream setup and teardown requests. A local user can invoke hw_free without hw_params or invoke hw_params multiple times to cause a denial of service.
Remediation
Install update from vendor's website.