- kubelet v1.20.11
  - kubelet v1.19.15

This vulnerability was reported by Fabricio Voznika and Mark Wolters of Google.

**CVSS Rating:** High (8.8) [CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

## Changes by Kind

### Bug or Regression

- Fix: skip case sensitivity when checking Azure NSG rules

  - kube-apiserver v1.18.18

This vulnerability was reported by Rogerio Bastos & Ari Lima from RedHat


**CVSS Rating:** Medium (6.5) [CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H)

## Changes by Kind

### API Change

  - kubelet v1.20.11
  - kubelet v1.19.15

This vulnerability was reported by Fabricio Voznika and Mark Wolters of Google.

**CVSS Rating:** High (8.8) [CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

## Changes by Kind

### Feature

* new dhcp-domain parameter to be used for figuring out the hostname of a node ([#61890](https://github.com/kubernetes/kubernetes/pull/61890), [@dims](https://github.com/dims))
* Disable ipamperf integration tests as part of every PR verification. ([#61863](https://github.com/kubernetes/kubernetes/pull/61863), [@satyasm](https://github.com/satyasm))

evict running Pods that do not tolerate the NoSchedule taint if the taint is added to a Node.  There is an open PR ([#48189](https://github.com/kubernetes/kubernetes/pull/48189)) to resolve this issue, but as this issue also exists in 1.6, and as we do not wish to risk release stability by merging it directly prior to a release without sufficient testing, we have decided to defer merging the PR until the next point release for each minor version ([#48190](https://github.com/kubernetes/kubernetes/pull/48190))....

* Fix --help flag parsing  ([#74682](https://github.com/kubernetes/kubernetes/pull/74682), [@soltysh](https://github.com/soltysh))
* This PR removes the following metrics: ([#74636](https://github.com/kubernetes/kubernetes/pull/74636), [@logicalhan](https://github.com/logicalhan))
    *   reflector_items_per_list
    *   reflector_items_per_watch

- SourcesReady provides the readiness of kubelet configuration sources such as apiserver update readiness. ([#81344](https://github.com/kubernetes/kubernetes/pull/81344), [@zouyee](https://github.com/zouyee))

  // Note: This field is declared as mergeable, but the merge key is not sufficiently
  // unique, which can cause data corruption when it is merged. Callers should instead
  // use a full-replacement patch. See https://pr.k8s.io/79391 for an example.
  // Consumers should assume that addresses can change during the
  // lifetime of a Node. However, there are some exceptions where this may not

* This PR removes unused soak test cauldron ([#77335](https://github.com/kubernetes/kubernetes/pull/77335), [@loqutus](https://github.com/loqutus))
* N/A ([#76966](https://github.com/kubernetes/kubernetes/pull/76966), [@figo](https://github.com/figo))

* fix Azure Container Registry anonymous repo image pull error ([#74715](https://github.com/kubernetes/kubernetes/pull/74715), [@andyzhangx](https://github.com/andyzhangx))
* This PR removes the following metrics: ([#74636](https://github.com/kubernetes/kubernetes/pull/74636), [@logicalhan](https://github.com/logicalhan))
    *   reflector_items_per_list
    *   reflector_items_per_watch