<div class="container">
    <h1>Security update for the Linux Kernel RT (Live Patch 5 for SLE 15 SP4)</h1>

    <table class="table table-striped table-bordered">
        <tbody>
        <tr>
            <th>Announcement ID:</th>
            <td>SUSE-SU-2023:2369-1</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=1207188">#1207188</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1209683">#1209683</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1210499">#1210499</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1210500">#1210500</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1210662">#1210662</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://bugzilla.suse.com/show_bug.cgi?id=1211111">#1211111</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-2023-0386.html">CVE-2023-0386</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-1281.html">CVE-2023-1281</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-1989.html">CVE-2023-1989</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-2162.html">CVE-2023-2162</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-23454.html">CVE-2023-23454</a>
                        </li>
                    
                        <li style="display: inline;">
                            <a href="https://www.suse.com/security/cve/CVE-2023-28464.html">CVE-2023-28464</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-2023-0386</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-2023-0386</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-2023-1281</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-2023-1281</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-2023-1989</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-2023-1989</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>
                        
                            <li class="list-group-item">
                                <span class="cvss-reference">CVE-2023-2162</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-2023-2162</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-2023-23454</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-2023-23454</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>
                        
                            <li class="list-group-item">
                                <span class="cvss-reference">CVE-2023-28464</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-2023-28464</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 SP4</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Live Patching 15-SP4</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 SP4</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 six vulnerabilities can now be installed.</p>

    <h2>Description:</h2>
    <p>This update for the Linux Kernel 5.14.21-150400_15_18 fixes several issues.</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2023-28464: Fixed user-after-free that could lead to privilege escalation in hci_conn_cleanup in net/uetooth/hci_conn.c (bsc#1211111).</li>
<li>CVE-2023-1989: Fixed a use after free in btsdio_remove (bsc#1210500).</li>
<li>CVE-2023-0386: Fixed privileges escalation for low-privileged users in the OverlayFS subsystem (bsc#1210499).</li>
<li>CVE-2023-1281: Fixed use after free that could lead to privilege escalation in tcindex (bsc#1209683).</li>
<li>CVE-2023-2162: Fixed an use-after-free flaw in iscsi_sw_tcp_session_create (bsc#1210662).</li>
<li>CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler (bsc#1207188).</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-SP4-2023-2369=1</code>
                    
                    
                
            </li>
        
    </ul>

    <h2>Package List:</h2>
    <ul>
        
            
                <li>
                    SUSE Linux Enterprise Live Patching 15-SP4 (x86_64)
                    <ul>
                        
                            <li>kernel-livepatch-5_14_21-150400_15_18-rt-3-150400.2.2</li>
                        
                            <li>kernel-livepatch-5_14_21-150400_15_18-rt-debuginfo-3-150400.2.2</li>
                        
                            <li>kernel-livepatch-SLE15-SP4-RT_Update_5-debugsource-3-150400.2.2</li>
                        
                    </ul>
                </li>
            
        
    </ul>

    
        <h2>References:</h2>
        <ul>
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-0386.html">https://www.suse.com/security/cve/CVE-2023-0386.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-1281.html">https://www.suse.com/security/cve/CVE-2023-1281.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-1989.html">https://www.suse.com/security/cve/CVE-2023-1989.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-2162.html">https://www.suse.com/security/cve/CVE-2023-2162.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-23454.html">https://www.suse.com/security/cve/CVE-2023-23454.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-28464.html">https://www.suse.com/security/cve/CVE-2023-28464.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1207188">https://bugzilla.suse.com/show_bug.cgi?id=1207188</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1209683">https://bugzilla.suse.com/show_bug.cgi?id=1209683</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1210499">https://bugzilla.suse.com/show_bug.cgi?id=1210499</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1210500">https://bugzilla.suse.com/show_bug.cgi?id=1210500</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1210662">https://bugzilla.suse.com/show_bug.cgi?id=1210662</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1211111">https://bugzilla.suse.com/show_bug.cgi?id=1211111</a>
                    </li>
                
            
        </ul>
    
</div>