SB20260816110 - Memory leak in Linux kernel video fbdev driver
Published: August 16, 2026
Security Bulletin ID
SB20260816110
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) Memory leak (CVE-ID: CVE-2026-72267)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
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 a memory leak in alloc_carmine_fb() when handling an error path after converting video modes to a modelist. A local user can trigger the vulnerable code path to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/6069044e74b7510bf2f034ccd049bc962fb9c765
- https://git.kernel.org/stable/c/6fcca16a2b19c37f60693c56cbc0c923364ff3ef
- https://git.kernel.org/stable/c/97b6c3f6e82a526d95dcfbfcf1c42ba44c61c3d6
- https://git.kernel.org/stable/c/b51990be8411335c263b51e9f4def1e84bfaa923
- https://git.kernel.org/stable/c/bcc43b2f7410eddb21f73e9a650499a6432c9383
- https://git.kernel.org/stable/c/d21e6747f3f68dcce59b5d2205f98633d28f69eb
- https://git.kernel.org/stable/c/d81860691e4cfa14d596136ea2727f244e9e5950
- https://git.kernel.org/stable/c/dae8f6ddc35cb1673dba32d2fd8f1f85cd377adf