CVE-2022-0532

low-risk

Published 2022-02-09

An incorrect sysctls validation vulnerability was found in CRI-O 1.18 and earlier. 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.

Do I need to act?

0.18% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.2/10 Medium

NETWORK / HIGH complexity

Affected Products (2)

Cri-O

Openshift Container Platform

Affected Vendors

Redhat Kubernetes

References (4)

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2051730

Vendor Advisory https://kubernetes.io/docs/tasks/administer-cluster/sysctl-cluster/#enabling-uns...

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2051730

Vendor Advisory https://kubernetes.io/docs/tasks/administer-cluster/sysctl-cluster/#enabling-uns...

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low-risk

Severity 14/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 7/34 · Low