An unprivileged write to the file handler flaw in the Linux kernel's control groups and namespaces subsystem was found in the way users have access to some less privileged process that are controlled by cgroups and have higher privileged parent process. It is actually both for cgroup2 and cgroup1 versions of control groups. A local user could use this flaw to crash the system or escalate their privileges on the system.
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: redhat

Published: 2022-03-23T19:46:43

Updated: 2022-07-25T16:43:38

Reserved: 2022-01-03T00:00:00


Link: CVE-2021-4197

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2022-03-23T20:15:10.200

Modified: 2023-11-07T03:40:21.077


Link: CVE-2021-4197

JSON object: View

cve-icon Redhat Information

No data.

CWE