<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>
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