#### Additional Details

See the GitHub issue for more details: https://github.com/kubernetes/kubernetes/issues/112192 

#### Acknowledgements

This vulnerability was reported and fixed by Mark Rosetti (@marosset)


**CVSS Rating:** Low (3.4) [CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C](https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C)

- kube-scheduler
  - The alpha critical pod annotation (`scheduler.alpha.kubernetes.io/critical-pod`) is deprecated. Pod priority should be used instead to mark pods as critical. ([#70298](https://github.com/kubernetes/kubernetes/pull/70298), [@bsalamat](https://github.com/bsalamat))

- Mark Job onPodConditions as optional in pod failure policy ([#120210](https://github.com/kubernetes/kubernetes/pull/120210), [@mimowo](https://github.com/mimowo)) [SIG API Machinery and Apps]

### Feature

## Changelog since v1.4.0-beta.1

### Other notable changes

* Fix a bug in kubelet hostport logic which flushes KUBE-MARK-MASQ iptables chain ([#32413](https://github.com/kubernetes/kubernetes/pull/32413), [@freehan](https://github.com/freehan))

* Stick to 2.2.1 etcd ([#32404](https://github.com/kubernetes/kubernetes/pull/32404), [@caesarxuchao](https://github.com/caesarxuchao))
* Fix a bug in kubelet hostport logic which flushes KUBE-MARK-MASQ iptables chain ([#32413](https://github.com/kubernetes/kubernetes/pull/32413), [@freehan](https://github.com/freehan))

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- Mark Job onPodConditions as optional in pod failure policy ([#120209](https://github.com/kubernetes/kubernetes/pull/120209), [@mimowo](https://github.com/mimowo)) [SIG API Machinery and Apps]

### Feature

  This is putting cgroup v1 into a deprecated state. ([#134298](https://github.com/kubernetes/kubernetes/pull/134298), [@kannon92](https://github.com/kannon92)) [SIG Node]

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    <magic priority="50">
      <!-- Normally just %PDF- -->
      <match value="%PDF-" type="string" offset="0"/>
      <!-- Sometimes has a UTF-8 Byte Order Mark first -->
      <match value="\xef\xbb\xbf%PDF-" type="string" offset="0"/>
    </magic>
    <magic priority="40">
      <!-- Higher priority than matlab's priority=20 %% match

  * Mark all static pods on the Master node as critical to prevent preemption ([#47356](https://github.com/kubernetes/kubernetes/pull/47356), [@dashpole](https://github.com/dashpole))