CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:P/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L
EPSS
Percentile
31.4%
Red Hat OpenShift on IBM Cloud is affected by a security vulnerability in CRI-O that could allow a remote authenticated attacker to bypass security restrictions, caused by improper sysctls validation.
CVEID: CVE-2022-0532
Description: CRI-O could allow a remote authenticated attacker to bypass security restrictions, caused by improper sysctls validation. By creating a pod with a “hostIPC” and “hostNetwork” kernel namespace, an attacker could exploit this vulnerability to apply sysctls from the list of “safe” sysctls for the cluster [0] to the host.
CVSS Base Score: 7.5
CVSS Temporal Score: <https://exchange.xforce.ibmcloud.com/vulnerabilities/219769> for more information
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
Red Hat OpenShift on IBM Cloud 4.9-4.9.23_1530_openshift
Red Hat OpenShift on IBM Cloud 4.8-4.8.32_1548_openshift
Updates for Red Hat OpenShift on IBM Cloud cluster worker nodes at version 4.8 or later are available that fix this vulnerability. Customers must update worker nodes created before the fix was available to address the vulnerability. See updating worker nodes for details on updating worker nodes. To verify your cluster worker nodes have been updated, use the following IBM Cloud CLI command to confirm the currently running versions:
ibmcloud oc workers --cluster <cluster name or ID>
If the versions are at the following patch level or later, the cluster worker nodes have the fix:
4.9.25_1532_openshift
4.8.35_1550_openshift
Customers running Red Hat OpenShift on IBM Cloud clusters at version 4.7 must upgrade to version 4.8. Please review the documentation before starting an upgrade since additional actions may be required.
Customers running Red Hat OpenShift on IBM Cloud clusters at version 4.6 or earlier must create a new cluster and deploy their apps to the new cluster.
Red Hat OpenShift on IBM Cloud versions 4.7 and earlier are no longer supported. See the Red Hat OpenShift on IBM Cloud version information and update actions documentation for more information about OpenShift versions and version support policies.
Monitor the security notifications on the IBM Cloud Status page to be advised of future security bulletins.
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*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
[{“Business Unit”:{“code”:“BU059”,“label”:“IBM Software w/o TPS”},“Product”:{“code”:“SSJTBP”,“label”:“IBM Cloud Kubernetes Service and Red Hat OpenShift on IBM Cloud”},“Component”:“–”,“Platform”:[{“code”:“PF025”,“label”:“Platform Independent”}],“Version”:“All Versions”,“Edition”:“”,“Line of Business”:{“code”:“LOB21”,“label”:“Public Cloud Platform”}}]
Vendor | Product | Version | CPE |
---|---|---|---|
ibm | ibm_cloud_kubernetes_service_and_red_hat_openshift_on_ibm_cloud | any | cpe:2.3:a:ibm:ibm_cloud_kubernetes_service_and_red_hat_openshift_on_ibm_cloud:any:*:*:*:*:*:*:* |
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:P/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L
EPSS
Percentile
31.4%