#VU61245 Permissions, Privileges, and Access Controls in Linux kernel - CVE-2022-0492

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Main Vulnerability Database Vulnerabilities #VU61245

#VU61245 Permissions, Privileges, and Access Controls in Linux kernel - CVE-2022-0492

Published: March 10, 2022 / Updated: December 13, 2024


Vulnerability identifier: #VU61245
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2022-0492
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: Public exploit is available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a logic error within the cgroup_release_agent_write() function in  kernel/cgroup/cgroup-v1.c. A local user can use the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation.


Remediation

Install updates from vendor's website.

External links