<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-2023:4733-1</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=1084909">bsc#1084909</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1210780">bsc#1210780</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1214037">bsc#1214037</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1214344">bsc#1214344</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1214764">bsc#1214764</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215371">bsc#1215371</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216058">bsc#1216058</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216259">bsc#1216259</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216584">bsc#1216584</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216965">bsc#1216965</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216976">bsc#1216976</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1217140">bsc#1217140</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1217332">bsc#1217332</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1217408">bsc#1217408</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1217780">bsc#1217780</a>
</li>
<li style="display: inline;">
<a href="https://jira.suse.com/browse/PED-3184">jsc#PED-3184</a>
</li>
<li style="display: inline;">
<a href="https://jira.suse.com/browse/PED-5021">jsc#PED-5021</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-2023-31083.html">CVE-2023-31083</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-39197.html">CVE-2023-39197</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-39198.html">CVE-2023-39198</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-45863.html">CVE-2023-45863</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-45871.html">CVE-2023-45871</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-5717.html">CVE-2023-5717</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-6176.html">CVE-2023-6176</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-2023-31083</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:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-31083</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.7</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-39197</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.0</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-39198</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-39198</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.4</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-45863</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.4</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-45863</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.4</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-45871</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-45871</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-5717</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-2023-5717</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-2023-6176</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-2023-6176</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 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 for Rancher 5.2</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves seven vulnerabilities, contains two features and has eight security fixes can now be installed.</p>
<h2>Description:</h2>
<p>The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security and bugfixes.</p>
<p>The following security bugs were fixed:</p>
<ul>
<li>CVE-2023-39197: Fixed a out-of-bounds read in nf_conntrack_dccp_packet() (bsc#1216976).</li>
<li>CVE-2023-6176: Fixed a denial of service in the cryptographic algorithm scatterwalk functionality (bsc#1217332).</li>
<li>CVE-2023-45863: Fixed a out-of-bounds write in fill_kobj_path() (bsc#1216058).</li>
<li>CVE-2023-45871: Fixed an issue in the IGB driver, where the buffer size may not be adequate for frames larger than the MTU (bsc#1216259).</li>
<li>CVE-2023-39198: Fixed a race condition leading to use-after-free in qxl_mode_dumb_create() (bsc#1216965).</li>
<li>CVE-2023-31083: Fixed race condition in hci_uart_tty_ioctl (bsc#1210780).</li>
<li>CVE-2023-5717: Fixed a heap out-of-bounds write vulnerability in the Performance Events component (bsc#1216584).</li>
</ul>
<p>The following non-security bugs were fixed:</p>
<ul>
<li>ALSA: hda: Disable power-save on KONTRON SinglePC (bsc#1217140).</li>
<li>Call flush_delayed_fput() from nfsd main-loop (bsc#1217408).</li>
<li>net: mana: Configure hwc timeout from hardware (bsc#1214037).</li>
<li>net: mana: Fix MANA VF unload when hardware is unresponsive (bsc#1214764).</li>
<li>powerpc: Do not clobber f0/vs0 during fp|altivec register save (bsc#1217780).</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 Enterprise Micro 5.1
<br/>
<code>zypper in -t patch SUSE-SUSE-MicroOS-5.1-2023-4733=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Micro 5.2
<br/>
<code>zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-4733=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Micro for Rancher 5.2
<br/>
<code>zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-4733=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Micro 5.1 (nosrc x86_64)
<ul>
<li>kernel-rt-5.3.18-150300.152.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Micro 5.1 (x86_64)
<ul>
<li>kernel-rt-debuginfo-5.3.18-150300.152.1</li>
<li>kernel-rt-debugsource-5.3.18-150300.152.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Micro 5.2 (nosrc x86_64)
<ul>
<li>kernel-rt-5.3.18-150300.152.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Micro 5.2 (x86_64)
<ul>
<li>kernel-rt-debuginfo-5.3.18-150300.152.1</li>
<li>kernel-rt-debugsource-5.3.18-150300.152.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Micro for Rancher 5.2 (nosrc x86_64)
<ul>
<li>kernel-rt-5.3.18-150300.152.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Micro for Rancher 5.2 (x86_64)
<ul>
<li>kernel-rt-debuginfo-5.3.18-150300.152.1</li>
<li>kernel-rt-debugsource-5.3.18-150300.152.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-31083.html">https://www.suse.com/security/cve/CVE-2023-31083.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-39197.html">https://www.suse.com/security/cve/CVE-2023-39197.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-39198.html">https://www.suse.com/security/cve/CVE-2023-39198.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-45863.html">https://www.suse.com/security/cve/CVE-2023-45863.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-45871.html">https://www.suse.com/security/cve/CVE-2023-45871.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-5717.html">https://www.suse.com/security/cve/CVE-2023-5717.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-6176.html">https://www.suse.com/security/cve/CVE-2023-6176.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1084909">https://bugzilla.suse.com/show_bug.cgi?id=1084909</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1210780">https://bugzilla.suse.com/show_bug.cgi?id=1210780</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1214037">https://bugzilla.suse.com/show_bug.cgi?id=1214037</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1214344">https://bugzilla.suse.com/show_bug.cgi?id=1214344</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1214764">https://bugzilla.suse.com/show_bug.cgi?id=1214764</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215371">https://bugzilla.suse.com/show_bug.cgi?id=1215371</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216058">https://bugzilla.suse.com/show_bug.cgi?id=1216058</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216259">https://bugzilla.suse.com/show_bug.cgi?id=1216259</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216584">https://bugzilla.suse.com/show_bug.cgi?id=1216584</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216965">https://bugzilla.suse.com/show_bug.cgi?id=1216965</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216976">https://bugzilla.suse.com/show_bug.cgi?id=1216976</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1217140">https://bugzilla.suse.com/show_bug.cgi?id=1217140</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1217332">https://bugzilla.suse.com/show_bug.cgi?id=1217332</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1217408">https://bugzilla.suse.com/show_bug.cgi?id=1217408</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1217780">https://bugzilla.suse.com/show_bug.cgi?id=1217780</a>
</li>
<li>
<a href="https://jira.suse.com/browse/PED-3184">https://jira.suse.com/browse/PED-3184</a>
</li>
<li>
<a href="https://jira.suse.com/browse/PED-5021">https://jira.suse.com/browse/PED-5021</a>
</li>
</ul>
</div>