SUSE-SU-2026:2315-1: important: Security update for kubernetes1.23

SLE-SECURITY-UPDATES null at suse.de
Wed Jun 10 08:31:30 UTC 2026 

# Security update for kubernetes1.23

Announcement ID: SUSE-SU-2026:2315-1  
Release Date: 2026-06-09T12:51:53Z  
Rating: important  
References:

  * bsc#1251168
  * bsc#1262271
  * bsc#1265740

  
Cross-References:

  * CVE-2026-33814
  * CVE-2026-35469

  
CVSS scores:

  * CVE-2026-33814 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-33814 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-33814 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-35469 ( SUSE ):  7.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-35469 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-35469 ( NVD ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

  
Affected Products:

  * openSUSE Leap 15.3
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4

  
  
An update that solves two vulnerabilities and has one security fix can now be
installed.

## Description:

This update for kubernetes1.23 fixes the following issues

  * CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport
    when given bad SETTINGS_MAX_FRAME_SIZE (bsc#1265740).
  * CVE-2026-35469: github.com/moby/spdystream: memory amplification in SPDY
    frame parsing leads to denial of service (bsc#1262271).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * openSUSE Leap 15.3  
    zypper in -t patch SUSE-2026-2315=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2315=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2315=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2315=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2315=1

## Package List:

  * openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64)
    * kubernetes1.23-kubeadm-1.23.17-150300.7.17.1
    * kubernetes1.23-kubelet-common-1.23.17-150300.7.17.1
    * kubernetes1.23-controller-manager-1.23.17-150300.7.17.1
    * kubernetes1.23-apiserver-1.23.17-150300.7.17.1
    * kubernetes1.23-client-common-1.23.17-150300.7.17.1
    * kubernetes1.23-scheduler-1.23.17-150300.7.17.1
    * kubernetes1.23-proxy-1.23.17-150300.7.17.1
    * kubernetes1.23-client-1.23.17-150300.7.17.1
    * kubernetes1.23-kubelet-1.23.17-150300.7.17.1
  * openSUSE Leap 15.3 (noarch)
    * kubernetes1.23-client-fish-completion-1.23.17-150300.7.17.1
    * kubernetes1.23-client-bash-completion-1.23.17-150300.7.17.1
  * openSUSE Leap 15.3 (ppc64le)
    * kubernetes1.23-apiserver-debuginfo-1.23.17-150300.7.17.1
    * kubernetes1.23-client-debuginfo-1.23.17-150300.7.17.1
    * kubernetes1.23-scheduler-debuginfo-1.23.17-150300.7.17.1
    * kubernetes1.23-kubeadm-debuginfo-1.23.17-150300.7.17.1
    * kubernetes1.23-proxy-debuginfo-1.23.17-150300.7.17.1
    * kubernetes1.23-controller-manager-debuginfo-1.23.17-150300.7.17.1
    * kubernetes1.23-kubelet-debuginfo-1.23.17-150300.7.17.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * kubernetes1.23-client-1.23.17-150300.7.17.1
    * kubernetes1.23-client-common-1.23.17-150300.7.17.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * kubernetes1.23-client-1.23.17-150300.7.17.1
    * kubernetes1.23-client-common-1.23.17-150300.7.17.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * kubernetes1.23-client-1.23.17-150300.7.17.1
    * kubernetes1.23-client-common-1.23.17-150300.7.17.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (ppc64le)
    * kubernetes1.23-client-debuginfo-1.23.17-150300.7.17.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * kubernetes1.23-client-1.23.17-150300.7.17.1
    * kubernetes1.23-client-common-1.23.17-150300.7.17.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le)
    * kubernetes1.23-client-debuginfo-1.23.17-150300.7.17.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-33814.html
  * https://www.suse.com/security/cve/CVE-2026-35469.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1251168
  * https://bugzilla.suse.com/show_bug.cgi?id=1262271
  * https://bugzilla.suse.com/show_bug.cgi?id=1265740

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