<div class="container">
<h1>Security update for grub2</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2023:4141-1</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=1201300">bsc#1201300</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215935">bsc#1215935</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215936">bsc#1215936</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-2023-4692.html">CVE-2023-4692</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-4693.html">CVE-2023-4693</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-2023-4692</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-2023-4693</span>
<span class="cvss-source">
(
SUSE
):
</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>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">Basesystem Module 15-SP5</li>
<li class="list-group-item">Server Applications Module 15-SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Micro 5.5</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP5</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves two vulnerabilities and has one security fix can now be installed.</p>
<h2>Description:</h2>
<p>This update for grub2 fixes the following issues:</p>
<p>Security fixes:
- CVE-2023-4692: Fixed an out-of-bounds write at fs/ntfs.c which may lead to unsigned code execution. (bsc#1215935)
- CVE-2023-4693: Fixed an out-of-bounds read at fs/ntfs.c which may lead to leak sensitive information. (bsc#1215936)</p>
<p>Other fixes:
- Fix a boot delay issue in PowerPC PXE boot (bsc#1201300)</p>
<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 Micro 5.5
<br/>
<code>zypper in -t patch SUSE-SLE-Micro-5.5-2023-4141=1</code>
</li>
<li class="list-group-item">
Basesystem Module 15-SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4141=1</code>
</li>
<li class="list-group-item">
Server Applications Module 15-SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-4141=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Micro 5.5 (aarch64 s390x x86_64)
<ul>
<li>grub2-2.06-150500.29.8.1</li>
<li>grub2-debugsource-2.06-150500.29.8.1</li>
<li>grub2-debuginfo-2.06-150500.29.8.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Micro 5.5 (noarch)
<ul>
<li>grub2-i386-pc-2.06-150500.29.8.1</li>
<li>grub2-arm64-efi-2.06-150500.29.8.1</li>
<li>grub2-snapper-plugin-2.06-150500.29.8.1</li>
<li>grub2-x86_64-efi-2.06-150500.29.8.1</li>
<li>grub2-x86_64-xen-2.06-150500.29.8.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Micro 5.5 (s390x)
<ul>
<li>grub2-s390x-emu-2.06-150500.29.8.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64)
<ul>
<li>grub2-2.06-150500.29.8.1</li>
<li>grub2-debuginfo-2.06-150500.29.8.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP5 (noarch)
<ul>
<li>grub2-i386-pc-2.06-150500.29.8.1</li>
<li>grub2-arm64-efi-2.06-150500.29.8.1</li>
<li>grub2-snapper-plugin-2.06-150500.29.8.1</li>
<li>grub2-powerpc-ieee1275-2.06-150500.29.8.1</li>
<li>grub2-x86_64-efi-2.06-150500.29.8.1</li>
<li>grub2-systemd-sleep-plugin-2.06-150500.29.8.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP5 (aarch64 s390x x86_64)
<ul>
<li>grub2-debugsource-2.06-150500.29.8.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP5 (s390x)
<ul>
<li>grub2-s390x-emu-2.06-150500.29.8.1</li>
</ul>
</li>
<li>
Server Applications Module 15-SP5 (noarch)
<ul>
<li>grub2-x86_64-xen-2.06-150500.29.8.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-4692.html">https://www.suse.com/security/cve/CVE-2023-4692.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-4693.html">https://www.suse.com/security/cve/CVE-2023-4693.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1201300">https://bugzilla.suse.com/show_bug.cgi?id=1201300</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215935">https://bugzilla.suse.com/show_bug.cgi?id=1215935</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215936">https://bugzilla.suse.com/show_bug.cgi?id=1215936</a>
</li>
</ul>
</div>