Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Kubernetes | Cri-O | <= 1.18 |
| Redhat | Openshift Container Platform | 4.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2051730Issue TrackingPatchThird Party Advisory
- https://kubernetes.io/docs/tasks/administer-cluster/sysctl-cluster/#enabling-unsVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2051730Issue TrackingPatchThird Party Advisory
- https://kubernetes.io/docs/tasks/administer-cluster/sysctl-cluster/#enabling-unsVendor Advisory
FAQ
What is CVE-2022-0532?
CVE-2022-0532 is a vulnerability with a CVSS score of 4.2 (MEDIUM). 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 a...
How severe is CVE-2022-0532?
CVE-2022-0532 has been rated MEDIUM with a CVSS base score of 4.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-0532?
Check the references section above for vendor advisories and patch information. Affected products include: Kubernetes Cri-O, Redhat Openshift Container Platform.