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Mehrere Probleme in kubevirt-1.6 (SUSE)
Дата публикации: 08-07-2026 10:14:25



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# Security update for kubevirt-1.6

Announcement ID: SUSE-SU-2026:2783-1
Release Date: 2026-07-07T15:05:10Z
Rating: important
References:

* bsc#1256434
* bsc#1262265
* bsc#1266733

Cross-References:

* CVE-2025-14525
* CVE-2026-35469
* CVE-2026-9804

CVSS scores:

* CVE-2025-14525 ( SUSE ): 8.2
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
* CVE-2025-14525 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
* CVE-2025-14525 ( NVD ): 6.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
* 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
* CVE-2026-35469 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-9804 ( SUSE ): 7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
* CVE-2026-9804 ( NVD ): 7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
* CVE-2026-9804 ( NVD ): 7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Affected Products:

* Containers Module 15-SP7
* SUSE Linux Enterprise Real Time 15 SP7
* SUSE Linux Enterprise Server 15 SP7
* SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves three vulnerabilities can now be installed.

## Description:

This update for kubevirt-1.6 fixes the following issues:

* CVE-2026-9804: Symlink escape in the VMExport dir handler let an attacker
controlling an exported PVC read sensitive files (TLS keys, tokens,
service-
account creds) from the exporter pod. (bsc#1266733)
* CVE-2025-14525: A VM reporting many guest-internal interfaces via the guest
agent could flood VMI status and fill etcd (denial of service). Caps
reported interfaces at 10. (bsc#1256434)
* CVE-2026-35469: resource-exhaustion in the SPDY/3 protocol implementation
of
github.com/moby/spdystream. (GHSA-pc3f-x583-g7j2,bsc#1262265)

## 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:

* Containers Module 15-SP7
zypper in -t patch SUSE-SLE-Module-Containers-15-SP7-2026-2783=1

## Package List:

* Containers Module 15-SP7 (aarch64 x86_64)
* kubevirt-1.6-virtctl-debuginfo-1.6.6-150700.15.10.1
* kubevirt-1.6-virtctl-1.6.6-150700.15.10.1
* kubevirt-1.6-manifests-1.6.6-150700.15.10.1

## References:

* https://www.suse.com/security/cve/CVE-2025-14525.html
* https://www.suse.com/security/cve/CVE-2026-35469.html
* https://www.suse.com/security/cve/CVE-2026-9804.html
* https://bugzilla.suse.com/show_bug.cgi?id=1256434
* https://bugzilla.suse.com/show_bug.cgi?id=1262265
* https://bugzilla.suse.com/show_bug.cgi?id=1266733

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<div class="container">
<h1>Security update for kubevirt-1.6</h1>

<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:2783-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-07-07T15:05:10Z</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=1256434">bsc#1256434</a>
</li>

<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262265">bsc#1262265</a>
</li>

<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266733">bsc#1266733</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-2025-14525.html">CVE-2025-14525</a>
</li>

<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-35469.html">CVE-2026-35469</a>
</li>

<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-9804.html">CVE-2026-9804</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-2025-14525</span>
<span class="cvss-source">
(

SUSE

):
</span>
<span
class="cvss-score">8.2</span>
<span
class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H</span>
</li>

<li class="list-group-item">
<span
class="cvss-reference">CVE-2025-14525</span>
<span class="cvss-source">
(

SUSE

):
</span>
<span
class="cvss-score">6.5</span>
<span
class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H</span>
</li>

<li class="list-group-item">
<span
class="cvss-reference">CVE-2025-14525</span>
<span class="cvss-source">
(

NVD

):
</span>
<span
class="cvss-score">6.4</span>
<span
class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L</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>

<li class="list-group-item">
<span
class="cvss-reference">CVE-2026-35469</span>
<span class="cvss-source">
(

NVD

):
</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-2026-9804</span>
<span class="cvss-source">
(

SUSE

):
</span>
<span
class="cvss-score">7.7</span>
<span
class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N</span>
</li>

<li class="list-group-item">
<span
class="cvss-reference">CVE-2026-9804</span>
<span class="cvss-source">
(

NVD

):
</span>
<span
class="cvss-score">7.7</span>
<span
class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N</span>
</li>

<li class="list-group-item">
<span
class="cvss-reference">CVE-2026-9804</span>
<span class="cvss-source">
(

NVD

):
</span>
<span
class="cvss-score">7.7</span>
<span
class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N</span>
</li>

</ul>
</td>
</tr>

<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">

<li class="list-group-item">Containers
Module 15-SP7</li>

<li class="list-group-item">SUSE Linux
Enterprise Real Time 15 SP7</li>

<li class="list-group-item">SUSE Linux
Enterprise Server 15 SP7</li>

<li class="list-group-item">SUSE Linux
Enterprise Server for SAP Applications 15 SP7</li>

</ul>
</td>
</tr>
</tbody>
</table>

<p>An update that solves three vulnerabilities can now be
installed.</p>

<h2>Description:</h2>

<p>This update for kubevirt-1.6 fixes the following issues:</p>
<ul>
<li>CVE-2026-9804: Symlink escape in the VMExport dir
handler let an attacker controlling an exported PVC read sensitive
files (TLS keys, tokens, service-account creds) from the exporter
pod. (bsc#1266733)</li>
<li>CVE-2025-14525: A VM reporting many guest-internal
interfaces via the guest agent could flood VMI status and fill etcd
(denial of service). Caps reported interfaces at 10. (bsc#1256434)</li>
<li>CVE-2026-35469: resource-exhaustion
in the SPDY/3 protocol implementation of
github.com/moby/spdystream. (GHSA-pc3f-x583-g7j2,bsc#1262265)</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">
Containers Module 15-SP7

<br/>
<code>zypper in -t patch
SUSE-SLE-Module-Containers-15-SP7-2026-2783=1</code>

</li>

</ul>

<h2>Package List:</h2>
<ul>

<li>
Containers Module 15-SP7 (aarch64 x86_64)
<ul>

<li>kubevirt-1.6-virtctl-debuginfo-1.6.6-150700.15.10.1</li>

<li>kubevirt-1.6-virtctl-1.6.6-150700.15.10.1</li>

<li>kubevirt-1.6-manifests-1.6.6-150700.15.10.1</li>

</ul>
</li>

</ul>

<h2>References:</h2>
<ul>

<li>
<a href="https://www.suse.com/security/cve/CVE-2025-14525.html">https://www.suse.com/security/cve/CVE-2025-14525.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://www.suse.com/security/cve/CVE-2026-9804.html">https://www.suse.com/security/cve/CVE-2026-9804.html</a>
</li>

<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1256434">https://bugzilla.suse.com/show_bug.cgi?id=1256434</a>
</li>

<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262265">https://bugzilla.suse.com/show_bug.cgi?id=1262265</a>
</li>

<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266733">https://bugzilla.suse.com/show_bug.cgi?id=1266733</a>
</li>

</ul>

</div>

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