SB20260816101 - Improper resource shutdown or release in Linux kernel video fbdev driver
Published: August 16, 2026
Security Bulletin ID
SB20260816101
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-2026-72274)
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 hecubafb_probe() when handling device initialization errors. A local user can trigger an error path during initialization to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2952767e399e2796d45644ea50f442988d2bb02d
- https://git.kernel.org/stable/c/3eb2bc1009c2476426ffbaf642d7ac82f4685b4d
- https://git.kernel.org/stable/c/612ea3a8e525580aa82f26ab873e285f5caf9d99
- https://git.kernel.org/stable/c/7de72f7534d961b117e0b051fa8798975036f5f3
- https://git.kernel.org/stable/c/9a94b85531852eb86283eca36ab041782c6b3518
- https://git.kernel.org/stable/c/cbef2a305a8a72969b86f96b7c07b86edde61aff
- https://git.kernel.org/stable/c/d684ce2db92b1093bcca2b42e5160a5fe23eb496