CVE-2021-3996 (GCVE-0-2021-3996)
Vulnerability from cvelistv5
Published
2022-08-23 00:00
Modified
2024-10-15 15:26
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-552 - - Files or Directories Accessible to External Parties
Summary
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 a local user on a vulnerable system to unmount other users' filesystems that are either world-writable themselves (like /tmp) or mounted in a world-writable directory. An attacker may use this flaw to cause a denial of service to applications that use the affected filesystems.
References
Impacted products
Vendor Product Version
n/a util-linux Version: Fixed in util-linux v2.37.3
Show details on NVD website

To clipboard 

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