<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-2023:4475-1</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=1215145">bsc#1215145</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1215474">bsc#1215474</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1215746">bsc#1215746</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1215747">bsc#1215747</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1215748">bsc#1215748</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1216654">bsc#1216654</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1216807">bsc#1216807</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-2023-20588.html">CVE-2023-20588</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-34322.html">CVE-2023-34322</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-34325.html">CVE-2023-34325</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-34326.html">CVE-2023-34326</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-34327.html">CVE-2023-34327</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-34328.html">CVE-2023-34328</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-46835.html">CVE-2023-46835</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-46836.html">CVE-2023-46836</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-2023-20588</span>
                                <span class="cvss-source">
                                    (
                                    
                                        SUSE
                                    
                                    ):
                                </span>
                                <span class="cvss-score">6.0</span>
                                <span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N</span>
                            </li>
                        
                            <li class="list-group-item">
                                <span class="cvss-reference">CVE-2023-20588</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:H/I:N/A:N</span>
                            </li>
                        
                            <li class="list-group-item">
                                <span class="cvss-reference">CVE-2023-34322</span>
                                <span class="cvss-source">
                                    (
                                    
                                        SUSE
                                    
                                    ):
                                </span>
                                <span class="cvss-score">7.5</span>
                                <span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H</span>
                            </li>
                        
                            <li class="list-group-item">
                                <span class="cvss-reference">CVE-2023-34325</span>
                                <span class="cvss-source">
                                    (
                                    
                                        SUSE
                                    
                                    ):
                                </span>
                                <span class="cvss-score">5.5</span>
                                <span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L</span>
                            </li>
                        
                            <li class="list-group-item">
                                <span class="cvss-reference">CVE-2023-34326</span>
                                <span class="cvss-source">
                                    (
                                    
                                        SUSE
                                    
                                    ):
                                </span>
                                <span class="cvss-score">8.8</span>
                                <span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
                            </li>
                        
                            <li class="list-group-item">
                                <span class="cvss-reference">CVE-2023-34327</span>
                                <span class="cvss-source">
                                    (
                                    
                                        SUSE
                                    
                                    ):
                                </span>
                                <span class="cvss-score">5.7</span>
                                <span class="cvss-vector">CVSS:3.1/AV:A/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-2023-34328</span>
                                <span class="cvss-source">
                                    (
                                    
                                        SUSE
                                    
                                    ):
                                </span>
                                <span class="cvss-score">5.7</span>
                                <span class="cvss-vector">CVSS:3.1/AV:A/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-2023-46835</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: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">Basesystem Module 15-SP5</li>
                    
                        <li class="list-group-item">openSUSE Leap 15.5</li>
                    
                        <li class="list-group-item">Server Applications Module 15-SP5</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP5</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP5</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Micro 5.5</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP5</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Server 15 SP5</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP5</li>
                    
                </ul>
            </td>
        </tr>
        </tbody>
    </table>

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

    


    
        <h2>Description:</h2>
    
    <p>This update for xen fixes the following issues:</p>
<ul>
<li>CVE-2023-20588: AMD CPU transitional execution leak via division by zero (XSA-439) (bsc#1215474).</li>
<li>CVE-2023-34322: top-level shadow reference dropped too early for 64-bit PV guests (XSA-438) (bsc#1215145).</li>
<li>CVE-2023-34325: Multiple vulnerabilities in libfsimage disk handling (XSA-443) (bsc#1215747).</li>
<li>CVE-2023-34326: x86/AMD: missing IOMMU TLB flushing (XSA-442) (bsc#1215746).</li>
<li>CVE-2023-34327,CVE-2023-34328: x86/AMD: Debug Mask handling (XSA-444) (bsc#1215748).</li>
<li>CVE-2023-46835: x86/AMD: mismatch in IOMMU quarantine page table levels (XSA-445) (bsc#1216654).</li>
<li>
<p>CVE-2023-46836: x86: BTC/SRSO fixes not fully effective (XSA-446) (bsc#1216807).</p>
</li>
<li>
<p>Upstream bug fixes (bsc#1027519)</p>
</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">
                openSUSE Leap 15.5
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-2023-4475=1 openSUSE-SLE-15.5-2023-4475=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                SUSE Linux Enterprise Micro 5.5
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Micro-5.5-2023-4475=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                Basesystem Module 15-SP5
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4475=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                Server Applications Module 15-SP5
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-4475=1</code>
                    
                    
                
            </li>
        
    </ul>

    <h2>Package List:</h2>
    <ul>
        
            
                <li>
                    openSUSE Leap 15.5 (aarch64 x86_64 i586)
                    <ul>
                        
                            <li>xen-libs-debuginfo-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-debugsource-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-libs-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-tools-domU-debuginfo-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-tools-domU-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-devel-4.17.2_08-150500.3.15.1</li>
                        
                    </ul>
                </li>
            
                <li>
                    openSUSE Leap 15.5 (x86_64)
                    <ul>
                        
                            <li>xen-libs-32bit-debuginfo-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-libs-32bit-4.17.2_08-150500.3.15.1</li>
                        
                    </ul>
                </li>
            
                <li>
                    openSUSE Leap 15.5 (aarch64 x86_64)
                    <ul>
                        
                            <li>xen-doc-html-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-tools-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-tools-debuginfo-4.17.2_08-150500.3.15.1</li>
                        
                    </ul>
                </li>
            
                <li>
                    openSUSE Leap 15.5 (noarch)
                    <ul>
                        
                            <li>xen-tools-xendomains-wait-disk-4.17.2_08-150500.3.15.1</li>
                        
                    </ul>
                </li>
            
                <li>
                    openSUSE Leap 15.5 (aarch64_ilp32)
                    <ul>
                        
                            <li>xen-libs-64bit-debuginfo-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-libs-64bit-4.17.2_08-150500.3.15.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    SUSE Linux Enterprise Micro 5.5 (x86_64)
                    <ul>
                        
                            <li>xen-libs-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-libs-debuginfo-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-debugsource-4.17.2_08-150500.3.15.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    Basesystem Module 15-SP5 (x86_64)
                    <ul>
                        
                            <li>xen-libs-debuginfo-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-debugsource-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-libs-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-tools-domU-debuginfo-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-tools-domU-4.17.2_08-150500.3.15.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    Server Applications Module 15-SP5 (x86_64)
                    <ul>
                        
                            <li>xen-tools-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-debugsource-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-tools-debuginfo-4.17.2_08-150500.3.15.1</li>
                        
                            <li>xen-devel-4.17.2_08-150500.3.15.1</li>
                        
                    </ul>
                </li>
            
                <li>
                    Server Applications Module 15-SP5 (noarch)
                    <ul>
                        
                            <li>xen-tools-xendomains-wait-disk-4.17.2_08-150500.3.15.1</li>
                        
                    </ul>
                </li>
            
        
    </ul>

    
        <h2>References:</h2>
        <ul>
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-20588.html">https://www.suse.com/security/cve/CVE-2023-20588.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-34322.html">https://www.suse.com/security/cve/CVE-2023-34322.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-34325.html">https://www.suse.com/security/cve/CVE-2023-34325.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-34326.html">https://www.suse.com/security/cve/CVE-2023-34326.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-34327.html">https://www.suse.com/security/cve/CVE-2023-34327.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-34328.html">https://www.suse.com/security/cve/CVE-2023-34328.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-46835.html">https://www.suse.com/security/cve/CVE-2023-46835.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-46836.html">https://www.suse.com/security/cve/CVE-2023-46836.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=1215145">https://bugzilla.suse.com/show_bug.cgi?id=1215145</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1215474">https://bugzilla.suse.com/show_bug.cgi?id=1215474</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1215746">https://bugzilla.suse.com/show_bug.cgi?id=1215746</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1215747">https://bugzilla.suse.com/show_bug.cgi?id=1215747</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1215748">https://bugzilla.suse.com/show_bug.cgi?id=1215748</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1216654">https://bugzilla.suse.com/show_bug.cgi?id=1216654</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1216807">https://bugzilla.suse.com/show_bug.cgi?id=1216807</a>
                    </li>
                
            
        </ul>
    
</div>