<div class="container">
<h1>Security update for kubernetes1.23</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:2315-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-06-09T12:51:53Z</td>
</tr>
<tr>
<th>Rating:</th>
<td>important</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1251168">bsc#1251168</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262271">bsc#1262271</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1265740">bsc#1265740</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>
Cross-References:
</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-33814.html">CVE-2026-33814</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-35469.html">CVE-2026-35469</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>CVSS scores:</th>
<td>
<ul class="list-group">
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-33814</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-33814</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-33814</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-35469</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">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</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-35469</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-35469</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.7</span>
<span class="cvss-vector">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</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">openSUSE Leap 15.3</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing LTSS 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP4 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP4</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves two vulnerabilities and has one security fix can now be installed.</p>
<h2>Description:</h2>
<p>This update for kubernetes1.23 fixes the following issues</p>
<ul>
<li>CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE
(bsc#1265740).</li>
<li>CVE-2026-35469: github.com/moby/spdystream: memory amplification in SPDY frame parsing leads to denial of service
(bsc#1262271).</li>
</ul>
<h2>Patch Instructions:</h2>
<p>
To install this SUSE update use the SUSE recommended
installation methods like YaST online_update or "zypper patch".<br/>
Alternatively you can run the command listed for your product:
</p>
<ul class="list-group">
<li class="list-group-item">
openSUSE Leap 15.3
<br/>
<code>zypper in -t patch SUSE-2026-2315=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2315=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2315=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP4 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2315=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP4
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2315=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64)
<ul>
<li>kubernetes1.23-kubeadm-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-kubelet-common-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-controller-manager-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-apiserver-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-client-common-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-scheduler-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-proxy-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-client-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-kubelet-1.23.17-150300.7.17.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.3 (noarch)
<ul>
<li>kubernetes1.23-client-fish-completion-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-client-bash-completion-1.23.17-150300.7.17.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.3 (ppc64le)
<ul>
<li>kubernetes1.23-apiserver-debuginfo-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-client-debuginfo-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-scheduler-debuginfo-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-kubeadm-debuginfo-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-proxy-debuginfo-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-controller-manager-debuginfo-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-kubelet-debuginfo-1.23.17-150300.7.17.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
<ul>
<li>kubernetes1.23-client-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-client-common-1.23.17-150300.7.17.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
<ul>
<li>kubernetes1.23-client-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-client-common-1.23.17-150300.7.17.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>kubernetes1.23-client-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-client-common-1.23.17-150300.7.17.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP4 LTSS (ppc64le)
<ul>
<li>kubernetes1.23-client-debuginfo-1.23.17-150300.7.17.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
<ul>
<li>kubernetes1.23-client-1.23.17-150300.7.17.1</li>
<li>kubernetes1.23-client-common-1.23.17-150300.7.17.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le)
<ul>
<li>kubernetes1.23-client-debuginfo-1.23.17-150300.7.17.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-33814.html">https://www.suse.com/security/cve/CVE-2026-33814.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-35469.html">https://www.suse.com/security/cve/CVE-2026-35469.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1251168">https://bugzilla.suse.com/show_bug.cgi?id=1251168</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262271">https://bugzilla.suse.com/show_bug.cgi?id=1262271</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1265740">https://bugzilla.suse.com/show_bug.cgi?id=1265740</a>
</li>
</ul>
</div>