CVE-2021-3995

CVE-2021-3995

Vendor N/A
Product util-linux
Weakness CWE-552 · Files accessible externally
Published August 23, 2022
Last update August 3, 2024

CVSS base score

What the vulnerability does

01Description

A logic error was found in the libmount library of util-linux in the function that allows an unprivileged user to unmount a FUSE filesystem. This flaw allows an unprivileged local attacker to unmount FUSE filesystems that belong to certain other users who have a UID that is a prefix of the UID of the attacker in its string form. An attacker may use this flaw to cause a denial of service to applications that use the affected filesystems.

Key dates

02Disclosure timeline

August 23, 2022 CVE published
August 3, 2024 Record updated