SB20250226693 - Race condition in Linux kernel net driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226693
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 security vulnerability.
1) Race condition (CVE-ID: CVE-2022-49672)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the tun_detach_all() function in drivers/net/tun.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/3b9bc84d311104906d2b4995a9a02d7b7ddab2db
- https://git.kernel.org/stable/c/8145f77d38de4f88b8a69e1463f5c09ba189d77c
- https://git.kernel.org/stable/c/82e729aee59acefe135fceffadcbc5b86dd4f1b9
- https://git.kernel.org/stable/c/8661d4b8faa2f7ee7a559969c0a7c57f077b1728
- https://git.kernel.org/stable/c/a8cf919022373c97a84fe596bbea544f909c485d
- https://git.kernel.org/stable/c/bec1be0a745ab420718217e3e0d9542a75108989
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.129