Home/CVE/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 p
CVE

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 p

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.

HIGH · CVSS 8.8 EPSS 0.2378
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-94Improper Control of Generation of Code ('Code Injection')
CWE-94Improper Control of Generation of Code ('Code Injection')
▤

Affected Products & Versions

5
kubernetes cri-o>= 1.19.0 and < 1.19.6
kubernetes cri-o>= 1.20.0 and < 1.20.7
kubernetes cri-o>= 1.21.0 and < 1.21.6
kubernetes cri-o>= 1.22.0 and < 1.22.3
kubernetes cri-o>= 1.23.0 and < 1.23.2
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/cri-o/cri-o HIGH fixed in 1.19.6
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Mar 2022 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

6
msrcCVE-2022-0811
rhsaRHSA-2022:0871Important
rhsaRHSA-2022:0866Important
rhsaRHSA-2022:0810Important
rhsaRHSA-2022:0860Important
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=2059475Issue TrackingThird Party Advisory
https://github.com/cri-o/cri-o/security/advisories/GHSA-6x2m-w449-qwx7Third Party Advisory
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