SB20260816111 - Memory leak in Linux kernel video fbdev driver
Published: August 16, 2026
Security Bulletin ID
SB20260816111
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-2026-72268)
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 tdfxfb_probe() in the tdfxfb driver when handling device initialization error paths. A local user can trigger the vulnerable code path to cause a denial of service.
The issue occurs when CONFIG_FB_3DFX_I2C is defined.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2199d70efc5bea0e9b4462a4f9e4c3d3c21c5d34
- https://git.kernel.org/stable/c/237611edf15172e4dc7fa9b3b71c2445602d3459
- https://git.kernel.org/stable/c/2fd16a94bea5e0c3e93791436cf8a800b175762a
- https://git.kernel.org/stable/c/b039e0693df003c5baa1e89630344f92a78afb15
- https://git.kernel.org/stable/c/b7b26adc2718ca8f81ca75cd03aee94269d00e8a
- https://git.kernel.org/stable/c/bb019d755366cc3e777a12d4bf457ff289837370
- https://git.kernel.org/stable/c/dfbb1a695d8891774c80c0e2a9192afb66469eb7
- https://git.kernel.org/stable/c/e1ca9b8559e0f5959228626bdeaae530a1ee0337