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CVE-2021-3847

Published: Apr 1, 2022

Modified: Aug 3, 2024

PUBLISHED

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.

Vendor	Product	Versions
n/a	kernel	affected `all versions up to, including, kernel 5.17`

Weaknesses (CWE)

References

https://bugzilla.redhat.com/show_bug.cgi?id=2009704

x_refsource_MISC

https://www.openwall.com/lists/oss-security/2021/10/14/3

x_refsource_MISC

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