CVE-2022-0811

HIGHCVSS 8.8/10EPSS 18.56%

Last modified

CVE-2022-0811 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A flaw was found in CRI-O in the way it set kernel options for a pod. This issue allows anyone with rights to deploy a pod on a Kubernetes cluster that uses the CRI-O runtime to achieve a container escape and arbitrary code execution as root on the cluster node, where the malicious pod was deployed.. EPSS estimates a 18.56% chance of exploitation in the next 30 days.

Description

A flaw was found in CRI-O in the way it set kernel options for a pod. This issue allows anyone with rights to deploy a pod on a Kubernetes cluster that uses the CRI-O runtime to achieve a container escape and arbitrary code execution as root on the cluster node, where the malicious pod was deployed.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
18.56%

96.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
KubernetesCri-O>= 1.19.0, < 1.19.6
KubernetesCri-O>= 1.20.0, < 1.20.7
KubernetesCri-O>= 1.21.0, < 1.21.6
KubernetesCri-O>= 1.22.0, < 1.22.3
KubernetesCri-O>= 1.23.0, < 1.23.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-0811?
A flaw was found in CRI-O in the way it set kernel options for a pod. This issue allows anyone with rights to deploy a pod on a Kubernetes cluster that uses the CRI-O runtime to achieve a container escape and arbitrary code execution as root on the cluster node, where the malicious pod was deployed.
How severe is CVE-2022-0811?
CVE-2022-0811 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 18.56% probability of exploitation in the next 30 days.
How do I fix CVE-2022-0811?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-0811?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST