Sicherheit: Zwei Probleme in Linux RT (Live Patch 7 SLE 15 SP5)

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# Security update for the Linux Kernel RT (Live Patch 7 for SLE 15 SP5)

Announcement ID: SUSE-SU-2024:0989-1
Rating: important
References:

* bsc#1218487
* bsc#1218610
* bsc#1219157

Cross-References:

* CVE-2023-51779
* CVE-2023-6531

CVSS scores:

* CVE-2023-51779 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-6531 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-6531 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.5
* SUSE Linux Enterprise High Performance Computing 15 SP5
* SUSE Linux Enterprise Live Patching 15-SP5
* SUSE Linux Enterprise Micro 5.5
* SUSE Linux Enterprise Real Time 15 SP5
* SUSE Linux Enterprise Server 15 SP5
* SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves two vulnerabilities and has one security fix can now be
installed.

## Description:

This update for the Linux Kernel 5.14.21-150500_13_24 fixes several issues.

The following security issues were fixed:

* CVE-2023-6531: Fixed a use-after-free flaw due to a race problem in the
unix
garbage collector's deletion of SKB races with
unix_stream_read_generic()on
the socket that the SKB is queued on (bsc#1218487).
* CVE-2023-51779: Fixed a use-after-free because of a bt_sock_ioctl race
condition in bt_sock_recvmsg (bsc#1218610).
* Recommended fix for IO lock-ups on HBA355i with SLES 15SP5. (bsc#1219157)

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

* openSUSE Leap 15.5
zypper in -t patch SUSE-2024-989=1

* SUSE Linux Enterprise Live Patching 15-SP5
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-989=1

## Package List:

* openSUSE Leap 15.5 (x86_64)
* kernel-livepatch-5_14_21-150500_13_24-rt-debuginfo-5-150500.2.2
* kernel-livepatch-SLE15-SP5-RT_Update_7-debugsource-5-150500.2.2
* kernel-livepatch-5_14_21-150500_13_24-rt-5-150500.2.2
* SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)
* kernel-livepatch-5_14_21-150500_13_24-rt-debuginfo-5-150500.2.2
* kernel-livepatch-SLE15-SP5-RT_Update_7-debugsource-5-150500.2.2
* kernel-livepatch-5_14_21-150500_13_24-rt-5-150500.2.2

## References:

* https://www.suse.com/security/cve/CVE-2023-51779.html
* https://www.suse.com/security/cve/CVE-2023-6531.html
* https://bugzilla.suse.com/show_bug.cgi?id=1218487
* https://bugzilla.suse.com/show_bug.cgi?id=1218610
* https://bugzilla.suse.com/show_bug.cgi?id=1219157

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<div class="container">
<h1>Security update for the Linux Kernel RT (Live Patch 7 for SLE 15
SP5)</h1>

<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2024:0989-1</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=1218487">bsc#1218487</a>
</li>

<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218610">bsc#1218610</a>
</li>

<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1219157">bsc#1219157</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-2023-51779.html">CVE-2023-51779</a>
</li>

<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-6531.html">CVE-2023-6531</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-2023-51779</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-2023-6531</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-2023-6531</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>

</ul>
</td>
</tr>

<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">

<li class="list-group-item">openSUSE Leap
15.5</li>

<li class="list-group-item">SUSE Linux
Enterprise High Performance Computing 15 SP5</li>

<li class="list-group-item">SUSE Linux
Enterprise Live Patching 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 the Linux Kernel 5.14.21-150500_13_24 fixes
several issues.</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2023-6531: Fixed a use-after-free flaw due to a race problem in
the unix garbage collector's deletion of SKB races with unix_stream_read_generic()on the socket that the SKB is queued on (bsc#1218487).</li>
<li>CVE-2023-51779: Fixed a use-after-free because of a bt_sock_ioctl
race condition in bt_sock_recvmsg (bsc#1218610).</li>
<li>Recommended fix for IO lock-ups on HBA355i with SLES 15SP5.
(bsc#1219157)</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">
openSUSE Leap 15.5

<br/>
<code>zypper in -t patch
SUSE-2024-989=1</code>

</li>

<li class="list-group-item">
SUSE Linux Enterprise Live Patching 15-SP5

<br/>
<code>zypper in -t patch
SUSE-SLE-Module-Live-Patching-15-SP5-2024-989=1</code>

</li>

</ul>

<h2>Package List:</h2>
<ul>

<li>
openSUSE Leap 15.5 (x86_64)
<ul>

<li>kernel-livepatch-5_14_21-150500_13_24-rt-debuginfo-5-150500.2.2</li>

<li>kernel-livepatch-SLE15-SP5-RT_Update_7-debugsource-5-150500.2.2</li>

<li>kernel-livepatch-5_14_21-150500_13_24-rt-5-150500.2.2</li>

</ul>
</li>

<li>
SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)
<ul>

<li>kernel-livepatch-5_14_21-150500_13_24-rt-debuginfo-5-150500.2.2</li>

<li>kernel-livepatch-SLE15-SP5-RT_Update_7-debugsource-5-150500.2.2</li>

<li>kernel-livepatch-5_14_21-150500_13_24-rt-5-150500.2.2</li>

</ul>
</li>

</ul>

<h2>References:</h2>
<ul>

<li>
<a href="https://www.suse.com/security/cve/CVE-2023-51779.html">https://www.suse.com/security/cve/CVE-2023-51779.html</a>
</li>

<li>
<a href="https://www.suse.com/security/cve/CVE-2023-6531.html">https://www.suse.com/security/cve/CVE-2023-6531.html</a>
</li>

<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218487">https://bugzilla.suse.com/show_bug.cgi?id=1218487</a>
</li>

<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218610">https://bugzilla.suse.com/show_bug.cgi?id=1218610</a>
</li>

<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1219157">https://bugzilla.suse.com/show_bug.cgi?id=1219157</a>
</li>

</ul>

</div>

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