CHANGELOG: Update directory for v1.27.5 release

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Kubernetes Release Robot 2023-08-24 01:07:18 +00:00
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<!-- BEGIN MUNGE: GENERATED_TOC -->
- [v1.27.4](#v1274)
- [Downloads for v1.27.4](#downloads-for-v1274)
- [v1.27.5](#v1275)
- [Downloads for v1.27.5](#downloads-for-v1275)
- [Source Code](#source-code)
- [Client Binaries](#client-binaries)
- [Server Binaries](#server-binaries)
- [Node Binaries](#node-binaries)
- [Container Images](#container-images)
- [Changelog since v1.27.3](#changelog-since-v1273)
- [Changelog since v1.27.4](#changelog-since-v1274)
- [Important Security Information](#important-security-information)
- [CVE-2023-3955: Insufficient input sanitization on Windows nodes leads to privilege escalation](#cve-2023-3955-insufficient-input-sanitization-on-windows-nodes-leads-to-privilege-escalation)
- [CVE-2023-3676: Insufficient input sanitization on Windows nodes leads to privilege escalation](#cve-2023-3676-insufficient-input-sanitization-on-windows-nodes-leads-to-privilege-escalation)
- [Changes by Kind](#changes-by-kind)
- [API Change](#api-change)
- [Feature](#feature)
- [Bug or Regression](#bug-or-regression)
- [Dependencies](#dependencies)
- [Added](#added)
- [Changed](#changed)
- [Removed](#removed)
- [v1.27.3](#v1273)
- [Downloads for v1.27.3](#downloads-for-v1273)
- [v1.27.4](#v1274)
- [Downloads for v1.27.4](#downloads-for-v1274)
- [Source Code](#source-code-1)
- [Client Binaries](#client-binaries-1)
- [Server Binaries](#server-binaries-1)
- [Node Binaries](#node-binaries-1)
- [Container Images](#container-images-1)
- [Changelog since v1.27.2](#changelog-since-v1272)
- [Important Security Information](#important-security-information)
- [CVE-2023-2728: Bypassing enforce mountable secrets policy imposed by the ServiceAccount admission plugin](#cve-2023-2728-bypassing-enforce-mountable-secrets-policy-imposed-by-the-serviceaccount-admission-plugin)
- [Changelog since v1.27.3](#changelog-since-v1273)
- [Changes by Kind](#changes-by-kind-1)
- [Feature](#feature-1)
- [Bug or Regression](#bug-or-regression-1)
@ -32,175 +34,347 @@
- [Added](#added-1)
- [Changed](#changed-1)
- [Removed](#removed-1)
- [v1.27.2](#v1272)
- [Downloads for v1.27.2](#downloads-for-v1272)
- [v1.27.3](#v1273)
- [Downloads for v1.27.3](#downloads-for-v1273)
- [Source Code](#source-code-2)
- [Client Binaries](#client-binaries-2)
- [Server Binaries](#server-binaries-2)
- [Node Binaries](#node-binaries-2)
- [Container Images](#container-images-2)
- [Changelog since v1.27.1](#changelog-since-v1271)
- [Changelog since v1.27.2](#changelog-since-v1272)
- [Important Security Information](#important-security-information-1)
- [CVE-2023-2728: Bypassing enforce mountable secrets policy imposed by the ServiceAccount admission plugin](#cve-2023-2728-bypassing-enforce-mountable-secrets-policy-imposed-by-the-serviceaccount-admission-plugin)
- [Changes by Kind](#changes-by-kind-2)
- [API Change](#api-change)
- [Feature](#feature-2)
- [Failing Test](#failing-test)
- [Bug or Regression](#bug-or-regression-2)
- [Other (Cleanup or Flake)](#other-cleanup-or-flake)
- [Dependencies](#dependencies-2)
- [Added](#added-2)
- [Changed](#changed-2)
- [Removed](#removed-2)
- [v1.27.1](#v1271)
- [Downloads for v1.27.1](#downloads-for-v1271)
- [v1.27.2](#v1272)
- [Downloads for v1.27.2](#downloads-for-v1272)
- [Source Code](#source-code-3)
- [Client Binaries](#client-binaries-3)
- [Server Binaries](#server-binaries-3)
- [Node Binaries](#node-binaries-3)
- [Container Images](#container-images-3)
- [Changelog since v1.27.0](#changelog-since-v1270)
- [Changelog since v1.27.1](#changelog-since-v1271)
- [Changes by Kind](#changes-by-kind-3)
- [API Change](#api-change-1)
- [Feature](#feature-3)
- [Failing Test](#failing-test)
- [Bug or Regression](#bug-or-regression-3)
- [Other (Cleanup or Flake)](#other-cleanup-or-flake)
- [Dependencies](#dependencies-3)
- [Added](#added-3)
- [Changed](#changed-3)
- [Removed](#removed-3)
- [v1.27.0](#v1270)
- [Downloads for v1.27.0](#downloads-for-v1270)
- [v1.27.1](#v1271)
- [Downloads for v1.27.1](#downloads-for-v1271)
- [Source Code](#source-code-4)
- [Client Binaries](#client-binaries-4)
- [Server Binaries](#server-binaries-4)
- [Node Binaries](#node-binaries-4)
- [Container Images](#container-images-4)
- [Changelog since v1.26.0](#changelog-since-v1260)
- [Known Issues](#known-issues)
- [The PreEnqueue extension point doesn't work for Pods going to activeQ through backoffQ](#the-preenqueue-extension-point-doesnt-work-for-pods-going-to-activeq-through-backoffq)
- [Urgent Upgrade Notes](#urgent-upgrade-notes)
- [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade)
- [Changelog since v1.27.0](#changelog-since-v1270)
- [Changes by Kind](#changes-by-kind-4)
- [Deprecation](#deprecation)
- [API Change](#api-change-1)
- [Feature](#feature-3)
- [Documentation](#documentation)
- [Failing Test](#failing-test-1)
- [Bug or Regression](#bug-or-regression-4)
- [Other (Cleanup or Flake)](#other-cleanup-or-flake-1)
- [Dependencies](#dependencies-4)
- [Added](#added-4)
- [Changed](#changed-4)
- [Removed](#removed-4)
- [v1.27.0-rc.1](#v1270-rc1)
- [Downloads for v1.27.0-rc.1](#downloads-for-v1270-rc1)
- [v1.27.0](#v1270)
- [Downloads for v1.27.0](#downloads-for-v1270)
- [Source Code](#source-code-5)
- [Client Binaries](#client-binaries-5)
- [Server Binaries](#server-binaries-5)
- [Node Binaries](#node-binaries-5)
- [Container Images](#container-images-5)
- [Changelog since v1.27.0-rc.0](#changelog-since-v1270-rc0)
- [Changelog since v1.26.0](#changelog-since-v1260)
- [Known Issues](#known-issues)
- [The PreEnqueue extension point doesn't work for Pods going to activeQ through backoffQ](#the-preenqueue-extension-point-doesnt-work-for-pods-going-to-activeq-through-backoffq)
- [Urgent Upgrade Notes](#urgent-upgrade-notes)
- [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade)
- [Changes by Kind](#changes-by-kind-5)
- [Deprecation](#deprecation)
- [API Change](#api-change-2)
- [Feature](#feature-4)
- [Documentation](#documentation)
- [Failing Test](#failing-test-1)
- [Bug or Regression](#bug-or-regression-5)
- [Other (Cleanup or Flake)](#other-cleanup-or-flake-1)
- [Dependencies](#dependencies-5)
- [Added](#added-5)
- [Changed](#changed-5)
- [Removed](#removed-5)
- [v1.27.0-rc.0](#v1270-rc0)
- [Downloads for v1.27.0-rc.0](#downloads-for-v1270-rc0)
- [v1.27.0-rc.1](#v1270-rc1)
- [Downloads for v1.27.0-rc.1](#downloads-for-v1270-rc1)
- [Source Code](#source-code-6)
- [Client Binaries](#client-binaries-6)
- [Server Binaries](#server-binaries-6)
- [Node Binaries](#node-binaries-6)
- [Container Images](#container-images-6)
- [Changelog since v1.27.0-beta.0](#changelog-since-v1270-beta0)
- [Changelog since v1.27.0-rc.0](#changelog-since-v1270-rc0)
- [Changes by Kind](#changes-by-kind-6)
- [API Change](#api-change-2)
- [Feature](#feature-5)
- [Bug or Regression](#bug-or-regression-6)
- [Dependencies](#dependencies-6)
- [Added](#added-6)
- [Changed](#changed-6)
- [Removed](#removed-6)
- [v1.27.0-beta.0](#v1270-beta0)
- [Downloads for v1.27.0-beta.0](#downloads-for-v1270-beta0)
- [v1.27.0-rc.0](#v1270-rc0)
- [Downloads for v1.27.0-rc.0](#downloads-for-v1270-rc0)
- [Source Code](#source-code-7)
- [Client Binaries](#client-binaries-7)
- [Server Binaries](#server-binaries-7)
- [Node Binaries](#node-binaries-7)
- [Container Images](#container-images-7)
- [Changelog since v1.27.0-alpha.3](#changelog-since-v1270-alpha3)
- [Urgent Upgrade Notes](#urgent-upgrade-notes-1)
- [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade-1)
- [Changelog since v1.27.0-beta.0](#changelog-since-v1270-beta0)
- [Changes by Kind](#changes-by-kind-7)
- [Deprecation](#deprecation-1)
- [API Change](#api-change-3)
- [Feature](#feature-6)
- [Documentation](#documentation-1)
- [Failing Test](#failing-test-2)
- [Bug or Regression](#bug-or-regression-7)
- [Other (Cleanup or Flake)](#other-cleanup-or-flake-2)
- [Dependencies](#dependencies-7)
- [Added](#added-7)
- [Changed](#changed-7)
- [Removed](#removed-7)
- [v1.27.0-alpha.3](#v1270-alpha3)
- [Downloads for v1.27.0-alpha.3](#downloads-for-v1270-alpha3)
- [v1.27.0-beta.0](#v1270-beta0)
- [Downloads for v1.27.0-beta.0](#downloads-for-v1270-beta0)
- [Source Code](#source-code-8)
- [Client Binaries](#client-binaries-8)
- [Server Binaries](#server-binaries-8)
- [Node Binaries](#node-binaries-8)
- [Container Images](#container-images-8)
- [Changelog since v1.27.0-alpha.2](#changelog-since-v1270-alpha2)
- [Changelog since v1.27.0-alpha.3](#changelog-since-v1270-alpha3)
- [Urgent Upgrade Notes](#urgent-upgrade-notes-1)
- [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade-1)
- [Changes by Kind](#changes-by-kind-8)
- [Deprecation](#deprecation-2)
- [Deprecation](#deprecation-1)
- [API Change](#api-change-4)
- [Feature](#feature-7)
- [Documentation](#documentation-2)
- [Failing Test](#failing-test-3)
- [Documentation](#documentation-1)
- [Failing Test](#failing-test-2)
- [Bug or Regression](#bug-or-regression-8)
- [Other (Cleanup or Flake)](#other-cleanup-or-flake-3)
- [Other (Cleanup or Flake)](#other-cleanup-or-flake-2)
- [Dependencies](#dependencies-8)
- [Added](#added-8)
- [Changed](#changed-8)
- [Removed](#removed-8)
- [v1.27.0-alpha.2](#v1270-alpha2)
- [Downloads for v1.27.0-alpha.2](#downloads-for-v1270-alpha2)
- [v1.27.0-alpha.3](#v1270-alpha3)
- [Downloads for v1.27.0-alpha.3](#downloads-for-v1270-alpha3)
- [Source Code](#source-code-9)
- [Client Binaries](#client-binaries-9)
- [Server Binaries](#server-binaries-9)
- [Node Binaries](#node-binaries-9)
- [Container Images](#container-images-9)
- [Changelog since v1.27.0-alpha.1](#changelog-since-v1270-alpha1)
- [Changelog since v1.27.0-alpha.2](#changelog-since-v1270-alpha2)
- [Changes by Kind](#changes-by-kind-9)
- [Deprecation](#deprecation-2)
- [API Change](#api-change-5)
- [Feature](#feature-8)
- [Documentation](#documentation-2)
- [Failing Test](#failing-test-3)
- [Bug or Regression](#bug-or-regression-9)
- [Other (Cleanup or Flake)](#other-cleanup-or-flake-4)
- [Other (Cleanup or Flake)](#other-cleanup-or-flake-3)
- [Dependencies](#dependencies-9)
- [Added](#added-9)
- [Changed](#changed-9)
- [Removed](#removed-9)
- [v1.27.0-alpha.1](#v1270-alpha1)
- [Downloads for v1.27.0-alpha.1](#downloads-for-v1270-alpha1)
- [v1.27.0-alpha.2](#v1270-alpha2)
- [Downloads for v1.27.0-alpha.2](#downloads-for-v1270-alpha2)
- [Source Code](#source-code-10)
- [Client Binaries](#client-binaries-10)
- [Server Binaries](#server-binaries-10)
- [Node Binaries](#node-binaries-10)
- [Container Images](#container-images-10)
- [Changelog since v1.26.0](#changelog-since-v1260-1)
- [Changelog since v1.27.0-alpha.1](#changelog-since-v1270-alpha1)
- [Changes by Kind](#changes-by-kind-10)
- [Deprecation](#deprecation-3)
- [API Change](#api-change-6)
- [Feature](#feature-9)
- [Documentation](#documentation-3)
- [Failing Test](#failing-test-4)
- [Bug or Regression](#bug-or-regression-10)
- [Other (Cleanup or Flake)](#other-cleanup-or-flake-5)
- [Other (Cleanup or Flake)](#other-cleanup-or-flake-4)
- [Dependencies](#dependencies-10)
- [Added](#added-10)
- [Changed](#changed-10)
- [Removed](#removed-10)
- [v1.27.0-alpha.1](#v1270-alpha1)
- [Downloads for v1.27.0-alpha.1](#downloads-for-v1270-alpha1)
- [Source Code](#source-code-11)
- [Client Binaries](#client-binaries-11)
- [Server Binaries](#server-binaries-11)
- [Node Binaries](#node-binaries-11)
- [Container Images](#container-images-11)
- [Changelog since v1.26.0](#changelog-since-v1260-1)
- [Changes by Kind](#changes-by-kind-11)
- [Deprecation](#deprecation-3)
- [API Change](#api-change-7)
- [Feature](#feature-10)
- [Documentation](#documentation-3)
- [Failing Test](#failing-test-4)
- [Bug or Regression](#bug-or-regression-11)
- [Other (Cleanup or Flake)](#other-cleanup-or-flake-5)
- [Dependencies](#dependencies-11)
- [Added](#added-11)
- [Changed](#changed-11)
- [Removed](#removed-11)
<!-- END MUNGE: GENERATED_TOC -->
# v1.27.5
## Downloads for v1.27.5
### Source Code
filename | sha512 hash
-------- | -----------
[kubernetes.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes.tar.gz) | c38254c54938b816edbbbfb104846e5802500b09029719cda914cde334d4372f56a9ad70d01cdcb2983c06b3386cb6af01c04b26dec5e9b51bee772989826fd9
[kubernetes-src.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-src.tar.gz) | 1e06ed46e530a8fa4cfd928e22008cfdc804473867fcf55c5304277fd36c1265069473a4a4d36ca1f53d1db4c742a7e3823f0910dab82ab82518c4e4d1bc7932
### Client Binaries
filename | sha512 hash
-------- | -----------
[kubernetes-client-darwin-amd64.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-client-darwin-amd64.tar.gz) | 62dfc1d11fca2a2cc5b39d72233c94846af57a476984c7cac725f74dd6e3f3a5483de4b910d5c1becacf9ae33aef06de70f78f727c1b5114cd3a92ab120595b0
[kubernetes-client-darwin-arm64.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-client-darwin-arm64.tar.gz) | a209d4533602b7fb49d9f850976de26d71b4936b1669726052c22842842e96a402a36ec85dd189bdb367b780f761a41c6272652907b1e7df128fb6bbcb7ea1ca
[kubernetes-client-linux-386.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-client-linux-386.tar.gz) | 71e5a5f26ca4b005582189ec9b6711a3e59197e9df268c6cd85c146ae042d97da82a41254df21bfcee2187939dc7a2a413db9ebd228e2a9d1e91f3a244c69d8b
[kubernetes-client-linux-amd64.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-client-linux-amd64.tar.gz) | 82ed21532b842d2da029eb7d2cbf0630619051d278034493c48b98b1149175f78d80cc8fcba79658384cdc6ed4b236aed1fc8dbe69fd47a0c7811a2f4e54369e
[kubernetes-client-linux-arm.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-client-linux-arm.tar.gz) | a368c4275045b6a5a7efaa3adf18a8488ca728c689d5d4d0e0d562dd9046fdd3eceb1104b1f2a3f27b9fe1bf7006d5dd11294ee8d3c2468a51fe0c30bac1f0d3
[kubernetes-client-linux-arm64.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-client-linux-arm64.tar.gz) | 3631bea44d8e745035b044bddb3cb9a22002a61045365ea5485070e90501371ccf249ab6b83a2bc5188cc05a9b5c2adb35da2651ddf024a295fe7f584c56dd70
[kubernetes-client-linux-ppc64le.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-client-linux-ppc64le.tar.gz) | 9ca26442c15406e15813ff76a293afbc01b051ee2f5db29a415ff0a6daf9ec4186e0044f8a6cb410d22998167b393b8b65bc3a47a2ac57da44dbb25b4dec6d31
[kubernetes-client-linux-s390x.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-client-linux-s390x.tar.gz) | 1d39dbaae47cb7b8677010a905896461068ac408d17bfe401114ef08d39fd73affb115d5a86b0ec2fb98d0e6ee3a499460a0f874bc8c998b29346cf46c217712
[kubernetes-client-windows-386.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-client-windows-386.tar.gz) | a75f574826b613b71de6b4057ef7e7f2fd7c08053c7f973680c0b96e0659d75baeb34b491c9a0d877477688021b77719d270afe480b590b5c0cb60f834633586
[kubernetes-client-windows-amd64.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-client-windows-amd64.tar.gz) | fef167cba4f3f6793ca2a70ac33d24e0fae859fdf7eb78cffcd7ea1693bc4ba400c7f7244d1b4d124ddc67b5439bd3ac46b3a887703d6db7be28b553cb028222
[kubernetes-client-windows-arm64.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-client-windows-arm64.tar.gz) | 19583b45d2affba34ac1b3bf7c40fee86591d4f0a06710ea88da5a6345ad32b4ca283e16a06b88af37ecceed78b58b3cc716e70967a35c2a16a018a31848e9c7
### Server Binaries
filename | sha512 hash
-------- | -----------
[kubernetes-server-linux-amd64.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-server-linux-amd64.tar.gz) | d135dcd85ee02b2e39f5b08e97bc335c1a79f3c98ad17848de258d842c476c9f779c00b32763e99191e7a45eb2c4be02d87efa2ed38c304a49d91fabebb0eb6a
[kubernetes-server-linux-arm64.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-server-linux-arm64.tar.gz) | 2040380ddaac3039c15b10ae8474f677ecda83fd5489c7d52772038b8b377026f20ecf48998c2b33b355ff541702a896ef71154d935fd4f11f5a6d0c0177881b
[kubernetes-server-linux-ppc64le.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-server-linux-ppc64le.tar.gz) | d08827a2ade5407735177b245bb4660f5db3efd44bec14b7613e042aa8d011065548a626cd6af50090c5380384e6bcfb6d1fd21fcd1d2b3039480be634027754
[kubernetes-server-linux-s390x.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-server-linux-s390x.tar.gz) | a3a01b9aa6d7b826eb0dc6de519d881bbf0273e3fbc62857a328fd23be37cb0749b812ac3a40a739e03ea02ef60808599832237a803770f773bfe277946060b9
### Node Binaries
filename | sha512 hash
-------- | -----------
[kubernetes-node-linux-amd64.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-node-linux-amd64.tar.gz) | 4560cd0ad15195e6752df67a1a079d49e2254aeef1713459549f13e9b922602e364a22208e9b3a1168a976648583c476c601d88e08dcc8dfeca7bf3955325879
[kubernetes-node-linux-arm64.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-node-linux-arm64.tar.gz) | 83ec9e500d6a63c646fc488eee0cd5381d295616e0b49ad8e702d0bede8cc163184a77a50817b0b29b949aa25da99ef702d285b39844a92534f513599d1beb86
[kubernetes-node-linux-ppc64le.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-node-linux-ppc64le.tar.gz) | 0610be236df7fb50ec4fea5eda50d9d491f174ad9c0d4eff1968501258f69a8059b6d165eed0be8637d86649a5e23a24084916366c95d5b2f27c8c7c13fd24eb
[kubernetes-node-linux-s390x.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-node-linux-s390x.tar.gz) | 6bf0a266eb9a73800455380c1692e2b630042762a619514e257d1c672f3b6146f3aaf3711e3392802ed0565139819924ccd998c054720a305d8c65c70bd5595b
[kubernetes-node-windows-amd64.tar.gz](https://dl.k8s.io/v1.27.5/kubernetes-node-windows-amd64.tar.gz) | d0476c2cc08472aa73ca921167ed5849b072933553b5e076d6eae86b9a6c0e10816321cba0a5ca0cb51159b2958213c26a2a5c7a518474968ec21d06f425d640
### Container Images
All container images are available as manifest lists and support the described
architectures. It is also possible to pull a specific architecture directly by
adding the "-$ARCH" suffix to the container image name.
name | architectures
---- | -------------
[registry.k8s.io/conformance:v1.27.5](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/conformance) | [amd64](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/conformance-amd64), [arm64](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/conformance-arm64), [ppc64le](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/conformance-ppc64le), [s390x](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/conformance-s390x)
[registry.k8s.io/kube-apiserver:v1.27.5](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-apiserver) | [amd64](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-apiserver-amd64), [arm64](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-apiserver-arm64), [ppc64le](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-apiserver-ppc64le), [s390x](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-apiserver-s390x)
[registry.k8s.io/kube-controller-manager:v1.27.5](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-controller-manager) | [amd64](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-controller-manager-amd64), [arm64](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-controller-manager-arm64), [ppc64le](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-controller-manager-ppc64le), [s390x](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-controller-manager-s390x)
[registry.k8s.io/kube-proxy:v1.27.5](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-proxy) | [amd64](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-proxy-amd64), [arm64](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-proxy-arm64), [ppc64le](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-proxy-ppc64le), [s390x](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-proxy-s390x)
[registry.k8s.io/kube-scheduler:v1.27.5](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-scheduler) | [amd64](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-scheduler-amd64), [arm64](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-scheduler-arm64), [ppc64le](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-scheduler-ppc64le), [s390x](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-scheduler-s390x)
## Changelog since v1.27.4
## Important Security Information
This release contains changes that address the following vulnerabilities:
### CVE-2023-3955: Insufficient input sanitization on Windows nodes leads to privilege escalation
A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes.
**Affected Versions**:
- kubelet <= v1.28.0
- kubelet <= v1.27.4
- kubelet <= v1.26.7
- kubelet <= v1.25.12
- kubelet <= v1.24.16
**Fixed Versions**:
- kubelet v1.28.1
- kubelet v1.27.5
- kubelet v1.26.8
- kubelet v1.25.13
- kubelet v1.24.17
This vulnerability was discovered by James Sturtevant @jsturtevant and Mark Rossetti @marosset during the process of fixing CVE-2023-3676 (that original CVE was reported by Tomer Peled @tomerpeled92)
**CVSS Rating:** High (8.8) [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H](https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
### CVE-2023-3676: Insufficient input sanitization on Windows nodes leads to privilege escalation
A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes.
**Affected Versions**:
- kubelet <= v1.28.0
- kubelet <= v1.27.4
- kubelet <= v1.26.7
- kubelet <= v1.25.12
- kubelet <= v1.24.16
**Fixed Versions**:
- kubelet v1.28.1
- kubelet v1.27.5
- kubelet v1.26.8
- kubelet v1.25.13
- kubelet v1.24.17
This vulnerability was reported by Tomer Peled @tomerpeled92
**CVSS Rating:** High (8.8) [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H](https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
## Changes by Kind
### API Change
- Aggregated discovery now returns `responseKind: {}` for resources which are missing group/version/kind information, to ensure compatibility with v0.26.0-v0.26.3 clients. ([#119835](https://github.com/kubernetes/kubernetes/pull/119835), [@liggitt](https://github.com/liggitt)) [SIG API Machinery and Testing]
### Feature
- Kubeadm: generate CA certificates with a start time that is offset 5 minutes in the past relative to the current system time to workaround cases of clock desync.
client-go: allow to set NotBefore in NewSelfSignedCACert() ([#119113](https://github.com/kubernetes/kubernetes/pull/119113), [@champtar](https://github.com/champtar)) [SIG API Machinery, Auth and Cluster Lifecycle]
- Kubernetes is now built with Go 1.20.7 ([#119828](https://github.com/kubernetes/kubernetes/pull/119828), [@jeremyrickard](https://github.com/jeremyrickard)) [SIG Release and Testing]
### Bug or Regression
- Fix Topology Aware Hints not working when the `topology.kubernetes.io/zone` label is added after Node creation
- Fix a data race in TopologyCache when `AddHints` and `SetNodes` are called concurrently ([#117269](https://github.com/kubernetes/kubernetes/pull/117269), [@tnqn](https://github.com/tnqn)) [SIG Apps and Network]
- Fix computing backoff delay when using Job pod failure policy, by including in the backoff delay calculation pod failures ignored from the backoffLimit counter.
Also, compute the backoff delay more accurately for deleted pods. ([#119466](https://github.com/kubernetes/kubernetes/pull/119466), [@mimowo](https://github.com/mimowo)) [SIG Apps]
- Fix: After a Node is down and take some time to get back to up again, the mount point of the evicted Pods cannot be cleaned up successfully. (#111933) Meanwhile Kubelet will print the log `Orphaned pod "xxx" found, but error not a directory occurred when trying to remove the volumes dir` every 2 seconds. (#105536) ([#116134](https://github.com/kubernetes/kubernetes/pull/116134), [@cvvz](https://github.com/cvvz)) [SIG Node and Storage]
- Fixed kubelet startup getting stuck with `NewVolumeManagerReconstruction` feature enabled and a CSI volume present in /var/lib/kubelet/pods. ([#117804](https://github.com/kubernetes/kubernetes/pull/117804), [@jsafrane](https://github.com/jsafrane)) [SIG Node and Storage]
- Revert kubelet prober metrics `pod` tag to include actual pod name ([#118549](https://github.com/kubernetes/kubernetes/pull/118549), [@a7i](https://github.com/a7i)) [SIG Node]
- Update kube-apiserver's priority & fairness work estimator such that 'max seats' is MIN(0.15 x nominalCL, nominalCL / handSize)
This fixes a bug where clients with requests using hand size x max seats greater than the nominal concurrency limit can starve other requests in the same priority level. ([#118601](https://github.com/kubernetes/kubernetes/pull/118601), [@andrewsykim](https://github.com/andrewsykim)) [SIG API Machinery]
## Dependencies
### Added
_Nothing has changed._
### Changed
_Nothing has changed._
### Removed
_Nothing has changed._
# v1.27.4