<div class="container">
    <h1>Security update for the Linux Kernel (Live Patch 45 for SLE 12 SP5)</h1>

    <table class="table table-striped table-bordered">
        <tbody>
        <tr>
            <th>Announcement ID:</th>
            <td>SUSE-SU-2023:3749-1</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=1210619">#1210619</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1213587">#1213587</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1213706">#1213706</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1215119">#1215119</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-2023-1829.html">CVE-2023-1829</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-3609.html">CVE-2023-3609</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-3776.html">CVE-2023-3776</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-3812.html">CVE-2023-3812</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-2023-1829</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-2023-1829</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-2023-3609</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-2023-3609</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-2023-3776</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-2023-3776</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-2023-3812</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-2023-3812</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 12 SP5</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Live Patching 12-SP5</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Server 12 SP5</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 12 SP5</li>
                    
                </ul>
            </td>
        </tr>
        </tbody>
    </table>

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

    


    
        <h2>Description:</h2>
    
    <p>This update for the Linux Kernel 4.12.14-122_165 fixes several issues.</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2023-3776: Fixed improper refcount update in cls_fw leads to use-after-free (bsc#1215119).</li>
<li>CVE-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619).</li>
<li>CVE-2023-3609: Fixed reference counter leak leading to  overflow in net/sched (bsc#1213587).</li>
<li>CVE-2023-3812: Fixed an out-of-bounds memory access flaw in the TUN/TAP device driver functionality that could allow a local user to crash or potentially escalate their privileges on the system (bsc#1213706).</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 Live Patching 12-SP5
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2023-3749=1 SUSE-SLE-Live-Patching-12-SP5-2023-3744=1 SUSE-SLE-Live-Patching-12-SP5-2023-3740=1 SUSE-SLE-Live-Patching-12-SP5-2023-3746=1 SUSE-SLE-Live-Patching-12-SP5-2023-3754=1 SUSE-SLE-Live-Patching-12-SP5-2023-3741=1 SUSE-SLE-Live-Patching-12-SP5-2023-3743=1 SUSE-SLE-Live-Patching-12-SP5-2023-3750=1 SUSE-SLE-Live-Patching-12-SP5-2023-3742=1 SUSE-SLE-Live-Patching-12-SP5-2023-3745=1 SUSE-SLE-Live-Patching-12-SP5-2023-3747=1</code>
                    
                    
                
            </li>
        
    </ul>

    <h2>Package List:</h2>
    <ul>
        
            
                <li>
                    SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
                    <ul>
                        
                            <li>kgraft-patch-4_12_14-122_162-default-4-2.1</li>
                        
                            <li>kgraft-patch-4_12_14-122_165-default-3-2.1</li>
                        
                            <li>kgraft-patch-4_12_14-122_136-default-11-2.2</li>
                        
                            <li>kgraft-patch-4_12_14-122_159-default-5-2.1</li>
                        
                            <li>kgraft-patch-4_12_14-122_156-default-6-2.1</li>
                        
                            <li>kgraft-patch-4_12_14-122_139-default-10-2.2</li>
                        
                            <li>kgraft-patch-4_12_14-122_150-default-8-2.2</li>
                        
                            <li>kgraft-patch-4_12_14-122_133-default-12-2.2</li>
                        
                            <li>kgraft-patch-4_12_14-122_153-default-6-2.1</li>
                        
                            <li>kgraft-patch-4_12_14-122_147-default-8-2.2</li>
                        
                            <li>kgraft-patch-4_12_14-122_144-default-9-2.2</li>
                        
                    </ul>
                </li>
            
        
    </ul>

    
        <h2>References:</h2>
        <ul>
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-1829.html">https://www.suse.com/security/cve/CVE-2023-1829.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-3609.html">https://www.suse.com/security/cve/CVE-2023-3609.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-3776.html">https://www.suse.com/security/cve/CVE-2023-3776.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-3812.html">https://www.suse.com/security/cve/CVE-2023-3812.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1210619">https://bugzilla.suse.com/show_bug.cgi?id=1210619</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1213587">https://bugzilla.suse.com/show_bug.cgi?id=1213587</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1213706">https://bugzilla.suse.com/show_bug.cgi?id=1213706</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1215119">https://bugzilla.suse.com/show_bug.cgi?id=1215119</a>
                    </li>
                
            
        </ul>
    
</div>