VULNERABILITY INTELLIGENCE

CVE-2021-3732

CVSS score5.5 MEDIUM
EPSS probability0.35%
CISA KEVNot currently listed
Published2022-03-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Description

A flaw was found in the Linux kernel's OverlayFS subsystem in the way the user mounts the TmpFS filesystem with OverlayFS. This flaw allows a local user to gain access to hidden files that should not be accessible.

Weakness classification

  • secalert@redhat.com: CWE-200
  • nvd@nist.gov: NVD-CWE-noinfo

Primary references