Kubernetes - v1.24.17

Changelog since v1.24.16

Important Security Information

This release contains changes that address the following vulnerabilities:

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

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

Changes by Kind

Feature

• Kubernetes is now built with Go 1.20.7 (#119837, @jeremyrickard) [SIG Apps, Cloud Provider, Node, Release, Storage and Testing]

Bug or Regression

• Fixed a bug where clusters that use KMS v1 with skewed API servers on versions v1.24 and v1.25 would see internal errors when attempting to read encrypted data via the v1.24 API servers. (#119387, @enj) [SIG API Machinery and Auth]

Dependencies

Added

Nothing has changed.

Changed

Nothing has changed.

Removed

Nothing has changed.