Privilege Escalation and Namespace Bypass Vulnerability in Linux Kernel's cgroup_release_agent_write Function

Privilege Escalation and Namespace Bypass Vulnerability in Linux Kernel's cgroup_release_agent_write Function

CVE-2022-0492 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

A vulnerability was found in the Linux kernel’s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation unexpectedly.

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