CVE-2021-3732

State: Published
Severity: Not scored
Published: Mar 7, 2022
Updated: Aug 3, 2024
Reserved: Aug 23, 2021

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.

Scores

The record has no CVSS score.

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
kerneln/a	Affects kernel before v5.13.11, Fixed in v5.14-rc6 and later.Affected

References

https://bugzilla.redhat.com/show_bug.cgi?id=1995249
https://ubuntu.com/security/CVE-2021-3732
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=427215d85e8d1476da1a86b8d67aceb485eb3631
https://github.com/torvalds/linux/commit/427215d85e8d1476da1a86b8d67aceb485eb3631

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