SB20260816109 - Memory leak in Linux kernel video fbdev driver
Published: August 16, 2026
Security Bulletin ID
SB20260816109
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-2026-72266)
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 vesafb_probe() in the vesafb driver when probing the device and processing framebuffer options. 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/124df55c7201d011a3fead2205685b6c47eae093
- https://git.kernel.org/stable/c/43af398217ca8940bf30643fd1150b4c655b8a88
- https://git.kernel.org/stable/c/58bc18e03481b62f0ec53fe47f36615d52660a7d
- https://git.kernel.org/stable/c/7b96ce9f8e47538c3c6eebbb217c94d696975cac
- https://git.kernel.org/stable/c/b15d708995c01bbffe7dcd634a31959f6805bed3