<div class="container">
    <h1>Security update for the Linux Kernel</h1>

    <table class="table table-striped table-bordered">
        <tbody>
        <tr>
            <th>Announcement ID:</th>
            <td>SUSE-SU-2026:21458-1</td>
        </tr>
        <tr>
            <th>Release Date:</th>
            <td>2026-05-01T23:16:53Z</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=1262573">bsc#1262573</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-2026-31431.html">CVE-2026-31431</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-2026-31431</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-2026-31431</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 Micro 6.0</li>
                    
                        <li class="list-group-item">SUSE Linux Micro Extras 6.0</li>
                    
                </ul>
            </td>
        </tr>
        </tbody>
    </table>

    <p>An update that solves one vulnerability can now be installed.</p>

    


    
        <h2>Description:</h2>
    
    <p>The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 kernel was updated to fix one security issue</p>
<p>The following security issue was fixed:</p>
<ul>
<li>CVE-2026-31431: The copy.fail security issue is fixed by revert to operating out-of-place in algif_aead (bsc#1262573).</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">
                SUSE Linux Micro Extras 6.0
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Micro-Extras-6.0-kernel-368=1</code>
                    
                    
                
            </li>
        
    </ul>

    <h2>Package List:</h2>
    <ul>
        
            
                <li>
                    SUSE Linux Micro Extras 6.0 (nosrc)
                    <ul>
                        
                            <li>kernel-64kb-6.4.0-42.1</li>
                        
                            <li>kernel-default-6.4.0-42.1</li>
                        
                    </ul>
                </li>
            
                <li>
                    SUSE Linux Micro Extras 6.0 (aarch64)
                    <ul>
                        
                            <li>kernel-64kb-debugsource-6.4.0-42.1</li>
                        
                            <li>kernel-64kb-devel-6.4.0-42.1</li>
                        
                    </ul>
                </li>
            
                <li>
                    SUSE Linux Micro Extras 6.0 (aarch64 s390x x86_64)
                    <ul>
                        
                            <li>kernel-obs-build-debugsource-6.4.0-42.1</li>
                        
                            <li>kernel-default-devel-6.4.0-42.1</li>
                        
                            <li>kernel-default-debugsource-6.4.0-42.1</li>
                        
                            <li>kernel-syms-6.4.0-42.1</li>
                        
                            <li>kernel-obs-build-6.4.0-42.1</li>
                        
                    </ul>
                </li>
            
                <li>
                    SUSE Linux Micro Extras 6.0 (x86_64)
                    <ul>
                        
                            <li>kernel-default-devel-debuginfo-6.4.0-42.1</li>
                        
                    </ul>
                </li>
            
        
    </ul>

    
        <h2>References:</h2>
        <ul>
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2026-31431.html">https://www.suse.com/security/cve/CVE-2026-31431.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1262573">https://bugzilla.suse.com/show_bug.cgi?id=1262573</a>
                    </li>
                
            
        </ul>
    
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