<div class="container">
<h1>Security update for xen</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:5140-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-11-09T13:24:47Z</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=1027519">bsc#1027519</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1276838">bsc#1276838</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1276839">bsc#1276839</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1276841">bsc#1276841</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1283321">bsc#1283321</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1283322">bsc#1283322</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1283323">bsc#1283323</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1283325">bsc#1283325</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1288663">bsc#1288663</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-2026-102700.html">CVE-2026-102700</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-102703.html">CVE-2026-102703</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-102704.html">CVE-2026-102704</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-62437.html">CVE-2026-62437</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-79602.html">CVE-2026-79602</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-79603.html">CVE-2026-79603</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-79609.html">CVE-2026-79609</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-79610.html">CVE-2026-79610</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-79611.html">CVE-2026-79611</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-2026-102700</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.7</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:H/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-2026-102700</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.7</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-102700</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.7</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-102703</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.4</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-102703</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-102703</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.4</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-102704</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.4</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-102704</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-102704</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.4</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-62437</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-2026-62437</span>
<span class="cvss-source">
(
NVD
):
</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-2026-79602</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-2026-79602</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-79603</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.2</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-79603</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-79609</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">9.3</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-79609</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-79609</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-79610</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">9.3</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-79610</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-79610</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-79611</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</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:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-79611</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/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-2026-79611</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">openSUSE Leap 15.6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP6</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves nine vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for xen fixes the following issues:</p>
<p>Security issues fixed:</p>
<ul>
<li>CVE-2026-62437: x86: DMs may cause mem leak by IRQ binding (bsc#1276838).</li>
<li>CVE-2026-79602: x86: improper handling of HVM emulation return codes (bsc#1276839).</li>
<li>CVE-2026-79603: unconditionally do TLB flushing ahead of page scrubbing (bsc#1276841).</li>
<li>CVE-2026-79609: x86: XPTI may break on huge-memory systems (bsc#1283321).</li>
<li>CVE-2026-79610: grant-table: double version change race (bsc#1283322).</li>
<li>CVE-2026-79611: VMX: VMentry failure with branch tracing and blocked states (bsc#1283323).</li>
<li>CVE-2026-102700: gnttab: cache-flush handling may cause page reference leak (bsc#1283325).</li>
<li>CVE-2026-102703,CVE-2026-102704: arbitrary read/write via grant copy (bsc#1288663).</li>
</ul>
<p>Non security issue fixed:</p>
<ul>
<li>Update to Xen 4.18.6 security bug fix release (bsc#1027519).</li>
</ul>
<h2>Special Instructions and Notes:</h2>
<ul>
<li>Please reboot the system after installing this update.</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">
SUSE Linux Enterprise Server for SAP Applications 15 SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-5140</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.6
<br/>
<code>zypper in -t patch SUSE-2026-5140</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP6 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-5140</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (x86_64)
<ul>
<li>xen-libs-debuginfo-4.18.6_03-150600.3.56.1</li>
<li>xen-tools-domU-debuginfo-4.18.6_03-150600.3.56.1</li>
<li>xen-4.18.6_03-150600.3.56.1</li>
<li>xen-tools-4.18.6_03-150600.3.56.1</li>
<li>xen-tools-domU-4.18.6_03-150600.3.56.1</li>
<li>xen-debugsource-4.18.6_03-150600.3.56.1</li>
<li>xen-tools-debuginfo-4.18.6_03-150600.3.56.1</li>
<li>xen-libs-4.18.6_03-150600.3.56.1</li>
<li>xen-devel-4.18.6_03-150600.3.56.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
<ul>
<li>xen-tools-xendomains-wait-disk-4.18.6_03-150600.3.56.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (x86_64)
<ul>
<li>xen-libs-32bit-4.18.6_03-150600.3.56.1</li>
<li>xen-4.18.6_03-150600.3.56.1</li>
<li>xen-tools-4.18.6_03-150600.3.56.1</li>
<li>xen-libs-32bit-debuginfo-4.18.6_03-150600.3.56.1</li>
<li>xen-tools-debuginfo-4.18.6_03-150600.3.56.1</li>
<li>xen-doc-html-4.18.6_03-150600.3.56.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (i586 x86_64)
<ul>
<li>xen-libs-debuginfo-4.18.6_03-150600.3.56.1</li>
<li>xen-tools-domU-debuginfo-4.18.6_03-150600.3.56.1</li>
<li>xen-tools-domU-4.18.6_03-150600.3.56.1</li>
<li>xen-debugsource-4.18.6_03-150600.3.56.1</li>
<li>xen-libs-4.18.6_03-150600.3.56.1</li>
<li>xen-devel-4.18.6_03-150600.3.56.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (noarch)
<ul>
<li>xen-tools-xendomains-wait-disk-4.18.6_03-150600.3.56.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (x86_64)
<ul>
<li>xen-libs-debuginfo-4.18.6_03-150600.3.56.1</li>
<li>xen-tools-domU-debuginfo-4.18.6_03-150600.3.56.1</li>
<li>xen-4.18.6_03-150600.3.56.1</li>
<li>xen-tools-4.18.6_03-150600.3.56.1</li>
<li>xen-tools-domU-4.18.6_03-150600.3.56.1</li>
<li>xen-debugsource-4.18.6_03-150600.3.56.1</li>
<li>xen-tools-debuginfo-4.18.6_03-150600.3.56.1</li>
<li>xen-libs-4.18.6_03-150600.3.56.1</li>
<li>xen-devel-4.18.6_03-150600.3.56.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
<ul>
<li>xen-tools-xendomains-wait-disk-4.18.6_03-150600.3.56.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-102700.html">https://www.suse.com/security/cve/CVE-2026-102700.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-102703.html">https://www.suse.com/security/cve/CVE-2026-102703.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-102704.html">https://www.suse.com/security/cve/CVE-2026-102704.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-62437.html">https://www.suse.com/security/cve/CVE-2026-62437.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-79602.html">https://www.suse.com/security/cve/CVE-2026-79602.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-79603.html">https://www.suse.com/security/cve/CVE-2026-79603.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-79609.html">https://www.suse.com/security/cve/CVE-2026-79609.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-79610.html">https://www.suse.com/security/cve/CVE-2026-79610.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-79611.html">https://www.suse.com/security/cve/CVE-2026-79611.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1027519">https://bugzilla.suse.com/show_bug.cgi?id=1027519</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1276838">https://bugzilla.suse.com/show_bug.cgi?id=1276838</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1276839">https://bugzilla.suse.com/show_bug.cgi?id=1276839</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1276841">https://bugzilla.suse.com/show_bug.cgi?id=1276841</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1283321">https://bugzilla.suse.com/show_bug.cgi?id=1283321</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1283322">https://bugzilla.suse.com/show_bug.cgi?id=1283322</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1283323">https://bugzilla.suse.com/show_bug.cgi?id=1283323</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1283325">https://bugzilla.suse.com/show_bug.cgi?id=1283325</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1288663">https://bugzilla.suse.com/show_bug.cgi?id=1288663</a>
</li>
</ul>
</div>