SB2026091244 - Double free in Linux kernel media v4l2-core driver
Published: September 12, 2026
Security Bulletin ID
SB2026091244
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Double free (CVE-ID: CVE-2026-89741)
CWE-ID: CWE-415 - Double Free
CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a double-free condition.
The vulnerability exists due to a double free in __video_register_device() when handling a device_register() failure. A local user can trigger a device registration failure to cause a double-free condition.
Remediation
Install update from vendor's website.