# CVE-2021-25741: istio: olcne [1.3.2-2] - Turn off default PodDisruptionBudget in istio template to unblock kubernetes module upgrade - Updat...

CVE-2021-25741 is fixed in 14 products on 1 platform, first by ELSA-2021-9546, released November 9, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-25741
- Priority: High
- CVSS: 8.1 (IMPORTANT)
- EPSS: 0.0796
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 9, 2021

## Description

olcne [1.3.2-2] - Turn off default PodDisruptionBudget in istio template to unblock kubernetes module upgrade - Update Kubernetes version to 1.20.11 to address CVE-2021-25741 - Update Istio to 1.9.8, 1.10.4 to address CVE-2021-32777, CVE-2021-32778, CVE-2021-32779, CVE-2021-32780 & CVE-2021-32781 - Update proxyv2 image to select iptables legacy or latest based on host operating system - Fix major.minor k8s version  istio [1.10.4-3] - Updated iptables-switch for OL8 and OL7 logic  [1.10.4-2] - Bump release, addresses the following envoy CVEs,   CVE-2021-32777, CVE-2021-32778, CVE-2021-32779, CVE-2021-32780 & CVE-2021-32781  [1.10.4-1] - Added Oracle specific files for 1.10.4-1  istio [1.9.8-3] - Updated iptables-switch for OL8 and OL7 logic  [1.9.8-2] - Bump release, addresses the following envoy CVEs,   CVE-2021-32777, CVE-2021-32778, CVE-2021-32779, CVE-2021-32780 & CVE-2021-32781  [1.9.8-1] - Added Oracle specific files for 1.9.8-1  kubernetes [1.20.11-4] - Fix major.minor version  [1.20.11-3] - Updated iptables-switch for OL8 and OL7 logic  [1.20.11-2] - Bump release for CVE fix, addresses CVE-2021-25741  [1.20.11-1] - Added Oracle specific build files for Kubernetes

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | istio ol 8 | 0:1.9.8-3.el8 | [ELSA-2021-9546](https://patchblox.com/security/data/fix/linux/elsa-2021-9546.md) | Nov 9, 2021 |
| Linux | istio-istioctl ol 8 | 0:1.9.8-3.el8 | [ELSA-2021-9546](https://patchblox.com/security/data/fix/linux/elsa-2021-9546.md) | Nov 9, 2021 |
| Linux | kubeadm ol 8 | 0:1.20.11-4.el8 | [ELSA-2021-9546](https://patchblox.com/security/data/fix/linux/elsa-2021-9546.md) | Nov 9, 2021 |
| Linux | kubectl ol 8 | 0:1.20.11-4.el8 | [ELSA-2021-9546](https://patchblox.com/security/data/fix/linux/elsa-2021-9546.md) | Nov 9, 2021 |
| Linux | kubelet ol 8 | 0:1.20.11-4.el8 | [ELSA-2021-9546](https://patchblox.com/security/data/fix/linux/elsa-2021-9546.md) | Nov 9, 2021 |
| Linux | olcne-agent ol 8 | 0:1.3.2-2.el8 | [ELSA-2021-9546](https://patchblox.com/security/data/fix/linux/elsa-2021-9546.md) | Nov 9, 2021 |
| Linux | olcne-api-server ol 8 | 0:1.3.2-2.el8 | [ELSA-2021-9546](https://patchblox.com/security/data/fix/linux/elsa-2021-9546.md) | Nov 9, 2021 |
| Linux | olcne-grafana-chart ol 8 | 0:1.3.2-2.el8 | [ELSA-2021-9546](https://patchblox.com/security/data/fix/linux/elsa-2021-9546.md) | Nov 9, 2021 |
| Linux | olcne-istio-chart ol 8 | 0:1.3.2-2.el8 | [ELSA-2021-9546](https://patchblox.com/security/data/fix/linux/elsa-2021-9546.md) | Nov 9, 2021 |
| Linux | olcne-nginx ol 8 | 0:1.3.2-2.el8 | [ELSA-2021-9546](https://patchblox.com/security/data/fix/linux/elsa-2021-9546.md) | Nov 9, 2021 |
| Linux | olcne-olm-chart ol 8 | 0:1.3.2-2.el8 | [ELSA-2021-9546](https://patchblox.com/security/data/fix/linux/elsa-2021-9546.md) | Nov 9, 2021 |
| Linux | olcne-prometheus-chart ol 8 | 0:1.3.2-2.el8 | [ELSA-2021-9546](https://patchblox.com/security/data/fix/linux/elsa-2021-9546.md) | Nov 9, 2021 |
| Linux | olcne-utils ol 8 | 0:1.3.2-2.el8 | [ELSA-2021-9546](https://patchblox.com/security/data/fix/linux/elsa-2021-9546.md) | Nov 9, 2021 |
| Linux | olcnectl ol 8 | 0:1.3.2-2.el8 | [ELSA-2021-9546](https://patchblox.com/security/data/fix/linux/elsa-2021-9546.md) | Nov 9, 2021 |

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