CVE-2021-4197 log

Source
Severity High
Remote Unknown
Type Unknown
Description
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.
Group Package Affected Fixed Severity Status Ticket
AVG-2701 linux-lts 5.15.14-1 High Vulnerable
AVG-2700 linux-hardened 5.16.20.hardened1-1 5.17.5.hardened1-1 High Fixed
AVG-2699 linux-zen 5.17.2.zen3-1 5.17.3.zen1-1 High Fixed
AVG-2698 linux 5.17.2.arch3-1 5.17.3.arch1-1 High Fixed
References
https://lore.kernel.org/lkml/20211209214707.805617-1-tj@kernel.org/T/
Notes
TODO