<div class="container">
    <h1>Security update for the Linux Kernel (Live Patch 28 for SLE 15 SP3)</h1>

    <table class="table table-striped table-bordered">
        <tbody>
        <tr>
            <th>Announcement ID:</th>
            <td>SUSE-SU-2023:4862-1</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=1215097">bsc#1215097</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1215442">bsc#1215442</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1215519">bsc#1215519</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-2023-2163.html">CVE-2023-2163</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-3777.html">CVE-2023-3777</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-4622.html">CVE-2023-4622</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-2023-2163</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-2023-2163</span>
                                <span class="cvss-source">
                                    (
                                    
                                        NVD
                                    
                                    ):
                                </span>
                                <span class="cvss-score">10.0</span>
                                <span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N</span>
                            </li>
                        
                            <li class="list-group-item">
                                <span class="cvss-reference">CVE-2023-3777</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-2023-3777</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-2023-4622</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-2023-4622</span>
                                <span class="cvss-source">
                                    (
                                    
                                        NVD
                                    
                                    ):
                                </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>
                        
                    </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 SP3</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Live Patching 15-SP3</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 Server 15 SP3</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP3</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 5.3.18-150300_59_109 fixes several issues.</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2023-3777: Fixed a use-after-free vulnerability in netfilter: nf_tables component can be exploited to achieve local privilege escalation. (bsc#1215097)</li>
<li>CVE-2023-4622: Fixed a use-after-free vulnerability in the Unix domain sockets component which could be exploited to achieve local privilege escalation (bsc#1215442).</li>
<li>CVE-2023-2163: Fixed an incorrect verifier pruning in BPF that could lead to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape. (bsc#1215519)</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-2023-4862=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-SP3-2023-4862=1</code>
                    
                    
                
            </li>
        
    </ul>

    <h2>Package List:</h2>
    <ul>
        
            
                <li>
                    openSUSE Leap 15.3 (ppc64le s390x x86_64)
                    <ul>
                        
                            <li>kernel-livepatch-5_3_18-150300_59_109-default-debuginfo-11-150300.2.2</li>
                        
                            <li>kernel-livepatch-5_3_18-150300_59_109-default-11-150300.2.2</li>
                        
                            <li>kernel-livepatch-SLE15-SP3_Update_28-debugsource-11-150300.2.2</li>
                        
                    </ul>
                </li>
            
                <li>
                    openSUSE Leap 15.3 (x86_64)
                    <ul>
                        
                            <li>kernel-livepatch-5_3_18-150300_59_109-preempt-debuginfo-11-150300.2.2</li>
                        
                            <li>kernel-livepatch-5_3_18-150300_59_109-preempt-11-150300.2.2</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
                    <ul>
                        
                            <li>kernel-livepatch-5_3_18-150300_59_109-default-11-150300.2.2</li>
                        
                    </ul>
                </li>
            
        
    </ul>

    
        <h2>References:</h2>
        <ul>
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-2163.html">https://www.suse.com/security/cve/CVE-2023-2163.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-3777.html">https://www.suse.com/security/cve/CVE-2023-3777.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-4622.html">https://www.suse.com/security/cve/CVE-2023-4622.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1215097">https://bugzilla.suse.com/show_bug.cgi?id=1215097</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1215442">https://bugzilla.suse.com/show_bug.cgi?id=1215442</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1215519">https://bugzilla.suse.com/show_bug.cgi?id=1215519</a>
                    </li>
                
            
        </ul>
    
</div>