Vulnerability identifier: #VU68299

Vulnerability risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0532

CWE-ID: CWE-732

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CRI-O
Web applications / Modules and components for CMS

Vendor: CRI-O

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to incorrect sysctls validation in CRI-O. The sysctls from the list of "safe" sysctls specified for the cluster will be applied to the host if an attacker is able to create a pod with a hostIPC and hostNetwork kernel namespace.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CRI-O: 1.21.0 - 1.21.2

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=2051730

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.