SB20260824206 - Double free in Linux kernel dibs driver
Published: August 24, 2026
Security Bulletin ID
SB20260824206
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Double free (CVE-ID: CVE-2026-74629)
CWE-ID: CWE-415 - Double Free
CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service or execute arbitrary code.
The vulnerability exists due to double free in dibs_lo_dev_probe() and dibs_dev_add() error handling when device addition fails. A local user can trigger a failure path to cause a denial of service or execute arbitrary code.
This issue occurs during error handling in device probe.
Remediation
Install update from vendor's website.