SB20260816103 - Improper resource shutdown or release in Linux kernel video fbdev driver
Published: August 16, 2026
Security Bulletin ID
SB20260816103
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-2026-72276)
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 metronomefb_probe() when handling an error path after deferred I/O initialization. A local user can trigger device initialization failure to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/01708cf3dca2f88eca26269521cbcc8e2f054ee4
- https://git.kernel.org/stable/c/6854cf33dddb212bd7c3d69189623876e7334075
- https://git.kernel.org/stable/c/77e26383083c59a67244fcf2e70eecd354451906
- https://git.kernel.org/stable/c/894632b862a39b3fe1cb5de06fbae86225ea64de
- https://git.kernel.org/stable/c/a889978ec44fe33edb3fb7140dcbbb8e6465c1cb
- https://git.kernel.org/stable/c/d54bb39cd34f44b32d5c4a8416fff8b01a9e76be
- https://git.kernel.org/stable/c/f779bd494f9521f89bfd4ce23953f3527341e9fd