<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-2023:4359-1</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=1206010">bsc#1206010</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1208788">bsc#1208788</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1210778">bsc#1210778</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1213705">bsc#1213705</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1213950">bsc#1213950</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1213977">bsc#1213977</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215743">bsc#1215743</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215745">bsc#1215745</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216046">bsc#1216046</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216051">bsc#1216051</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216107">bsc#1216107</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216140">bsc#1216140</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216340">bsc#1216340</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216513">bsc#1216513</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216514">bsc#1216514</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-2023-31085.html">CVE-2023-31085</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-34324.html">CVE-2023-34324</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-39189.html">CVE-2023-39189</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-45862.html">CVE-2023-45862</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-2023-31085</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-2023-31085</span>
<span class="cvss-source">
(
NVD
):
</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-2023-34324</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.7</span>
<span class="cvss-vector">CVSS:3.1/AV:A/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-2023-39189</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.4</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-39189</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.1</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-45862</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.4</span>
<span class="cvss-vector">CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-45862</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 12 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 12 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 12 SP5</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves four vulnerabilities and has 11 security fixes can now be installed.</p>
<h2>Description:</h2>
<p>The SUSE Linux Enterprise 12 SP5 RT kernel was updated to receive various security and bugfixes.</p>
<p>The following security bugs were fixed:</p>
<ul>
<li>CVE-2023-31085: Fixed a divide-by-zero error in do_div(sz,mtd->erasesize) that could cause a local DoS. (bsc#1210778)</li>
<li>CVE-2023-45862: Fixed an issue in the ENE UB6250 reader driver whwere an object could potentially extend beyond the end of an allocation causing. (bsc#1216051)</li>
<li>CVE-2023-34324: Fixed a possible deadlock in Linux kernel event handling. (bsc#1215745).</li>
<li>CVE-2023-39189: Fixed a flaw in the Netfilter subsystem that could allow a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure. (bsc#1216046)</li>
</ul>
<p>The following non-security bugs were fixed:</p>
<ul>
<li>9p: virtio: make sure 'offs' is initialized in zc_request (git-fixes).</li>
<li>audit: fix potential double free on error path from fsnotify_add_inode_mark (git-fixes).</li>
<li>crypto: virtio: Fix use-after-free in virtio_crypto_skcipher_finalize_req() (git-fixes).</li>
<li>iommu/amd: Fix IOMMU interrupt generation in X2APIC mode (bsc#1206010).</li>
<li>iommu/amd: Remove useless irq affinity notifier (bsc#1206010).</li>
<li>iommu/amd: Set iommu->int_enabled consistently when interrupts are set up (bsc#1206010).</li>
<li>kabi: iommu/amd: Fix IOMMU interrupt generation in X2APIC mode (bsc#1206010).</li>
<li>KVM: s390: fix sthyi error handling (git-fixes bsc#1216107).</li>
<li>memcg: drop kmem.limit_in_bytes (bsc#1208788)</li>
<li>mm, memcg: reconsider kmem.limit_in_bytes deprecation (bsc#1208788 bsc#1213705).</li>
<li>net: usb: dm9601: fix uninitialized variable use in dm9601_mdio_read (git-fixes).</li>
<li>net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg (git-fixes).</li>
<li>ratelimit: Fix data-races in ___ratelimit() (git-fixes).</li>
<li>ring-buffer: Fix bytes info in per_cpu buffer stats (git-fixes).</li>
<li>s390/pci: fix iommu bitmap allocation (git-fixes bsc#1216513).</li>
<li>s390/ptrace: fix setting syscall number (git-fixes bsc#1216340).</li>
<li>s390/vdso: add missing FORCE to build targets (git-fixes bsc#1216140).</li>
<li>s390/zcrypt: change reply buffer size offering (LTC#203322 bsc#1213950).</li>
<li>s390/zcrypt: fix reply buffer calculations for CCA replies (LTC#203322 bsc#1213950).</li>
<li>scsi: zfcp: Defer fc_rport blocking until after ADISC response (LTC#203327 bsc#1213977 git-fixes).</li>
<li>scsi: zfcp: Fix a double put in zfcp_port_enqueue() (git-fixes bsc#1216514).</li>
<li>tools/thermal: Fix possible path truncations (git-fixes).</li>
<li>tracing: Fix cpu buffers unavailable due to 'record_disabled' missed (git-fixes).</li>
<li>tracing: Fix memleak due to race between current_tracer and trace (git-fixes).</li>
<li>tracing: Fix race issue between cpu buffer write and swap (git-fixes).</li>
<li>uas: Add US_FL_NO_REPORT_OPCODES for JMicron JMS583Gen 2 (git-fixes).</li>
<li>usb: serial: cp210x: add Silicon Labs IFS-USB-DATACABLE IDs (git-fixes).</li>
<li>usb: typec: altmodes/displayport: Fix configure initial pin assignment (git-fixes).</li>
<li>usb: typec: altmodes/displayport: fix pin_assignment_show (git-fixes).</li>
<li>vhost-scsi: unbreak any layout for response (git-fixes).</li>
<li>virtio_balloon: fix deadlock on OOM (git-fixes).</li>
<li>virtio_balloon: fix increment of vb->num_pfns in fill_balloon() (git-fixes).</li>
<li>virtio_net: Fix error unwinding of XDP initialization (git-fixes).</li>
<li>virtio: Protect vqs list access (git-fixes).</li>
<li>vsock/virtio: add transport parameter to the virtio_transport_reset_no_sock() (git-fixes).</li>
<li>xen-netback: use default TX queue size for vifs (git-fixes).</li>
<li>xen/x86: obtain full video frame buffer address for Dom0 also under EFI (bsc#1215743).</li>
<li>xen/x86: obtain upper 32 bits of video frame buffer address for Dom0 (bsc#1215743).</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 Real Time 12 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-RT-12-SP5-2023-4359=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Real Time 12 SP5 (x86_64)
<ul>
<li>kernel-rt-base-4.12.14-10.149.1</li>
<li>kernel-rt_debug-debugsource-4.12.14-10.149.1</li>
<li>dlm-kmp-rt-4.12.14-10.149.1</li>
<li>kernel-rt_debug-debuginfo-4.12.14-10.149.1</li>
<li>gfs2-kmp-rt-debuginfo-4.12.14-10.149.1</li>
<li>kernel-rt-debuginfo-4.12.14-10.149.1</li>
<li>ocfs2-kmp-rt-4.12.14-10.149.1</li>
<li>cluster-md-kmp-rt-4.12.14-10.149.1</li>
<li>kernel-rt-debugsource-4.12.14-10.149.1</li>
<li>kernel-rt-devel-debuginfo-4.12.14-10.149.1</li>
<li>kernel-rt_debug-devel-debuginfo-4.12.14-10.149.1</li>
<li>kernel-syms-rt-4.12.14-10.149.1</li>
<li>ocfs2-kmp-rt-debuginfo-4.12.14-10.149.1</li>
<li>gfs2-kmp-rt-4.12.14-10.149.1</li>
<li>kernel-rt-base-debuginfo-4.12.14-10.149.1</li>
<li>kernel-rt_debug-devel-4.12.14-10.149.1</li>
<li>kernel-rt-devel-4.12.14-10.149.1</li>
<li>cluster-md-kmp-rt-debuginfo-4.12.14-10.149.1</li>
<li>dlm-kmp-rt-debuginfo-4.12.14-10.149.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Real Time 12 SP5 (noarch)
<ul>
<li>kernel-source-rt-4.12.14-10.149.1</li>
<li>kernel-devel-rt-4.12.14-10.149.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Real Time 12 SP5 (nosrc x86_64)
<ul>
<li>kernel-rt-4.12.14-10.149.1</li>
<li>kernel-rt_debug-4.12.14-10.149.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-31085.html">https://www.suse.com/security/cve/CVE-2023-31085.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-34324.html">https://www.suse.com/security/cve/CVE-2023-34324.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-39189.html">https://www.suse.com/security/cve/CVE-2023-39189.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-45862.html">https://www.suse.com/security/cve/CVE-2023-45862.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1206010">https://bugzilla.suse.com/show_bug.cgi?id=1206010</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1208788">https://bugzilla.suse.com/show_bug.cgi?id=1208788</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1210778">https://bugzilla.suse.com/show_bug.cgi?id=1210778</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1213705">https://bugzilla.suse.com/show_bug.cgi?id=1213705</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1213950">https://bugzilla.suse.com/show_bug.cgi?id=1213950</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1213977">https://bugzilla.suse.com/show_bug.cgi?id=1213977</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215743">https://bugzilla.suse.com/show_bug.cgi?id=1215743</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215745">https://bugzilla.suse.com/show_bug.cgi?id=1215745</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216046">https://bugzilla.suse.com/show_bug.cgi?id=1216046</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216051">https://bugzilla.suse.com/show_bug.cgi?id=1216051</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216107">https://bugzilla.suse.com/show_bug.cgi?id=1216107</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216140">https://bugzilla.suse.com/show_bug.cgi?id=1216140</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216340">https://bugzilla.suse.com/show_bug.cgi?id=1216340</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216513">https://bugzilla.suse.com/show_bug.cgi?id=1216513</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216514">https://bugzilla.suse.com/show_bug.cgi?id=1216514</a>
</li>
</ul>
</div>