vulnerability
Amazon Linux AMI: CVE-2021-4197: Security patch for kernel (ALAS-2022-1571)
Severity | CVSS | Published | Added | Modified |
---|---|---|---|---|
7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Jan 25, 2022 | Mar 9, 2022 | Oct 14, 2022 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Jan 25, 2022
Added
Mar 9, 2022
Modified
Oct 14, 2022
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.
Solution
amazon-linux-upgrade-kernel

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