CVE-2021-3847

State: Published
Severity: Not scored
Published: Apr 1, 2022
Updated: Aug 3, 2024
Reserved: Oct 1, 2021

Description

An unauthorized access to the execution of the setuid file with capabilities flaw in the Linux kernel OverlayFS subsystem was found in the way user copying a capable file from a nosuid mount into another mount. A local user could use this flaw to escalate their privileges on the system.

Scores

The record has no CVSS score.

Weaknesses

CWE-281

Affected Products

Product	Versions
kerneln/a	all versions up to, including, kernel 5.17Affected

References

https://bugzilla.redhat.com/show_bug.cgi?id=2009704
https://www.openwall.com/lists/oss-security/2021/10/14/3

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