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.
References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2009704 Issue Tracking Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/10/14/3 Mailing List Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: redhat

Published: 2022-04-01T22:17:29

Updated: 2022-04-01T22:17:29

Reserved: 2021-10-01T00:00:00


Link: CVE-2021-3847

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2022-04-01T23:15:10.597

Modified: 2022-04-11T20:31:06.980


Link: CVE-2021-3847

JSON object: View

cve-icon Redhat Information

No data.

CWE