SB2021021404 - Arch Linux update for firejail
Published: February 14, 2021
Security Bulletin ID
SB2021021404
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-2021-26910)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a TOCTOU race condition between a stat operation and an OverlayFS mount operation in firejail. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.