<div class="container">
    <h1>Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP4)</h1>

    <table class="table table-striped table-bordered">
        <tbody>
        <tr>
            <th>Announcement ID:</th>
            <td>SUSE-SU-2023:1639-1</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=1207190">#1207190</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1208838">#1208838</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1208909">#1208909</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-2023-0266.html">CVE-2023-0266</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-1078.html">CVE-2023-1078</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-26545.html">CVE-2023-26545</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-2023-0266</span>
                                <span class="cvss-source">
                                    (
                                    
                                        SUSE
                                    
                                    ):
                                </span>
                                <span class="cvss-score">7.8</span>
                                <span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
                            </li>
                        
                            <li class="list-group-item">
                                <span class="cvss-reference">CVE-2023-0266</span>
                                <span class="cvss-source">
                                    (
                                    
                                        NVD
                                    
                                    ):
                                </span>
                                <span class="cvss-score">7.8</span>
                                <span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
                            </li>
                        
                            <li class="list-group-item">
                                <span class="cvss-reference">CVE-2023-1078</span>
                                <span class="cvss-source">
                                    (
                                    
                                        SUSE
                                    
                                    ):
                                </span>
                                <span class="cvss-score">7.8</span>
                                <span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
                            </li>
                        
                            <li class="list-group-item">
                                <span class="cvss-reference">CVE-2023-26545</span>
                                <span class="cvss-source">
                                    (
                                    
                                        SUSE
                                    
                                    ):
                                </span>
                                <span class="cvss-score">7.0</span>
                                <span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
                            </li>
                        
                            <li class="list-group-item">
                                <span class="cvss-reference">CVE-2023-26545</span>
                                <span class="cvss-source">
                                    (
                                    
                                        NVD
                                    
                                    ):
                                </span>
                                <span class="cvss-score">7.8</span>
                                <span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
                            </li>
                        
                    </ul>
                </td>
            </tr>
        
        <tr>
            <th>Affected Products:</th>
            <td>
                <ul class="list-group">
                    
                        <li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP2</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP3</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP4</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Live Patching 15-SP2</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Live Patching 15-SP3</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Live Patching 15-SP4</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Micro 5.1</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Micro 5.2</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Micro 5.3</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Micro 5.4</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP4</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Server 15 SP2</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Server 15 SP3</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Server 15 SP4</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP2</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP3</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 three vulnerabilities can now be installed.</p>

    <h2>Description:</h2>
    <p>This update for the Linux Kernel 5.14.21-150400_24_11 fixes several issues.</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2023-26545: Fixed double free in net/mpls/af_mpls.c upon an allocation failure (bsc#1208700).</li>
<li>CVE-2023-1078: Fixed a heap out-of-bounds write in rds_rm_zerocopy_callback (bsc#1208838).</li>
<li>CVE-2023-0266: Fixed a use-after-free vulnerability inside the ALSA PCM package. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 was missing locks that could have been used in a use-after-free that could have resulted in a priviledge escalation to gain ring0 access from the system user (bsc#1207190).</li>
</ul>

    

    <h2>Patch Instructions:</h2>
    <p>
        To install this SUSE Important 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 Live Patching 15-SP4
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-1639=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                SUSE Linux Enterprise Live Patching 15-SP3
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2023-1624=1 SUSE-SLE-Module-Live-Patching-15-SP3-2023-1620=1 SUSE-SLE-Module-Live-Patching-15-SP3-2023-1623=1 SUSE-SLE-Module-Live-Patching-15-SP3-2023-1627=1 SUSE-SLE-Module-Live-Patching-15-SP3-2023-1613=1 SUSE-SLE-Module-Live-Patching-15-SP3-2023-1612=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                SUSE Linux Enterprise Live Patching 15-SP2
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2023-1615=1</code>
                    
                    
                
            </li>
        
    </ul>

    <h2>Package List:</h2>
    <ul>
        
            
                <li>
                    SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
                    <ul>
                        
                            <li>kernel-livepatch-5_14_21-150400_24_11-default-debuginfo-9-150400.2.3</li>
                        
                            <li>kernel-livepatch-5_14_21-150400_24_11-default-9-150400.2.3</li>
                        
                            <li>kernel-livepatch-SLE15-SP4_Update_1-debugsource-9-150400.2.3</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
                    <ul>
                        
                            <li>kernel-livepatch-5_3_18-150300_59_87-default-10-150300.2.3</li>
                        
                            <li>kernel-livepatch-5_3_18-150300_59_68-default-13-150300.2.3</li>
                        
                            <li>kernel-livepatch-5_3_18-150300_59_98-default-6-150300.2.3</li>
                        
                            <li>kernel-livepatch-5_3_18-150300_59_76-default-11-150300.2.3</li>
                        
                            <li>kernel-livepatch-5_3_18-150300_59_63-default-14-150300.2.3</li>
                        
                            <li>kernel-livepatch-5_3_18-150300_59_90-default-9-150300.2.3</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
                    <ul>
                        
                            <li>kernel-livepatch-SLE15-SP2_Update_31-debugsource-6-150200.2.3</li>
                        
                            <li>kernel-livepatch-5_3_18-150200_24_134-default-debuginfo-6-150200.2.3</li>
                        
                            <li>kernel-livepatch-5_3_18-150200_24_134-default-6-150200.2.3</li>
                        
                    </ul>
                </li>
            
        
    </ul>

    
        <h2>References:</h2>
        <ul>
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-0266.html">https://www.suse.com/security/cve/CVE-2023-0266.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-1078.html">https://www.suse.com/security/cve/CVE-2023-1078.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-26545.html">https://www.suse.com/security/cve/CVE-2023-26545.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1207190">https://bugzilla.suse.com/show_bug.cgi?id=1207190</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1208838">https://bugzilla.suse.com/show_bug.cgi?id=1208838</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1208909">https://bugzilla.suse.com/show_bug.cgi?id=1208909</a>
                    </li>
                
            
        </ul>
    
</div>