SB20260816454 - Improper resource shutdown or release in Linux kernel input misc driver
Published: August 16, 2026
Security Bulletin ID
SB20260816454
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-2026-72077)
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 ims-pcu firmware update handler when processing an asynchronous firmware update. A local user can trigger firmware validation failure to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1f7bdfbe791aacad77db87f044e78ef60a93ae0d
- https://git.kernel.org/stable/c/47a9889a9325b87698b6d6eaf3187a9af6e4773d
- https://git.kernel.org/stable/c/99c428d7ef644d3e394f3072f905040c16dab18d
- https://git.kernel.org/stable/c/a5dd47ea3904dedb1ae7a5fe0e6b44a458f0c5ec
- https://git.kernel.org/stable/c/d48795b5cd6828d36b707e8d62fc9e5c90e004ab