CVE-2022-27239
cifs-utils: stack-based buffer overflow mount.cifs may lead to local privilege escalation to root
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 27, 2022
Updated · November 22, 2025
Description
A stack-based buffer overflow issue was found in cifs-utils. Parsing the mount.cifs ip command-line argument can lead to local attackers gaining root privileges.
Statement
The mount.cifs binary file is shipped without setuid privileges as default which prevents an attacker to gain root privileges hence lowering the flaw impact.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-787 · Out-of-bounds Write