kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-01-29T21:33:55

Updated: 2024-08-03T03:59:23.920Z

Reserved: 2022-01-29T00:00:00

Link: CVE-2022-24122

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-01-29T22:15:07.487

Modified: 2024-11-21T06:49:51.177

Link: CVE-2022-24122

cve-icon Redhat

Severity : Important

Publid Date: 2022-01-30T00:00:00Z

Links: CVE-2022-24122 - Bugzilla