CVE-2021-26910 — Time-of-check Time-of-use (TOCTOU) Race Condition in Project Firejail
Severity
7.0HIGHNVD
CNA7.8
EPSS
0.1%
top 84.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedFeb 8
Latest updateMay 24
Description
Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9
Affected Packages2 packages
Also affects: Debian Linux 10.0, 9.0