<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-2026:1840-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-05-13T10:05:24Z</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=1264449">bsc#1264449</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264450">bsc#1264450</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-2026-43284.html">CVE-2026-43284</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-43500.html">CVE-2026-43500</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-2026-43284</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-43284</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-43284</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-43500</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-43500</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-2026-43500</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">openSUSE Leap 15.6</li>
<li class="list-group-item">SUSE Linux Enterprise High Availability Extension 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Live Patching 15-SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP6</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves two vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>The SUSE Linux Enterprise 15 SP6 kernel was updated to fix the following issue:</p>
<ul>
<li>CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264449).</li>
<li>CVE-2026-43500: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present (bsc#1264450).</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">
openSUSE Leap 15.6
<br/>
<code>zypper in -t patch SUSE-2026-1840=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Availability Extension 15 SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HA-15-SP6-2026-1840=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP6 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1840=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-1840=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Live Patching 15-SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2026-1840=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.6 (noarch nosrc)
<ul>
<li>kernel-docs-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (noarch)
<ul>
<li>kernel-macros-6.4.0-150600.23.103.1</li>
<li>kernel-source-vanilla-6.4.0-150600.23.103.1</li>
<li>kernel-source-6.4.0-150600.23.103.1</li>
<li>kernel-docs-html-6.4.0-150600.23.103.1</li>
<li>kernel-devel-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (nosrc ppc64le x86_64)
<ul>
<li>kernel-debug-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (ppc64le x86_64)
<ul>
<li>kernel-debug-debugsource-6.4.0-150600.23.103.1</li>
<li>kernel-debug-devel-6.4.0-150600.23.103.1</li>
<li>kernel-debug-devel-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-debug-debuginfo-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (x86_64)
<ul>
<li>kernel-kvmsmall-vdso-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-debug-vdso-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-default-vdso-6.4.0-150600.23.103.1</li>
<li>kernel-debug-vdso-6.4.0-150600.23.103.1</li>
<li>kernel-default-vdso-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-kvmsmall-vdso-6.4.0-150600.23.103.1</li>
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</li>
<li>
openSUSE Leap 15.6 (aarch64)
<ul>
<li>dtb-hisilicon-6.4.0-150600.23.103.1</li>
<li>dtb-arm-6.4.0-150600.23.103.1</li>
<li>dtb-mediatek-6.4.0-150600.23.103.1</li>
<li>reiserfs-kmp-64kb-6.4.0-150600.23.103.1</li>
<li>gfs2-kmp-64kb-debuginfo-6.4.0-150600.23.103.1</li>
<li>dtb-amazon-6.4.0-150600.23.103.1</li>
<li>kernel-64kb-devel-6.4.0-150600.23.103.1</li>
<li>dtb-altera-6.4.0-150600.23.103.1</li>
<li>dlm-kmp-64kb-debuginfo-6.4.0-150600.23.103.1</li>
<li>dtb-broadcom-6.4.0-150600.23.103.1</li>
<li>dtb-nvidia-6.4.0-150600.23.103.1</li>
<li>dtb-renesas-6.4.0-150600.23.103.1</li>
<li>dtb-apm-6.4.0-150600.23.103.1</li>
<li>dtb-rockchip-6.4.0-150600.23.103.1</li>
<li>kernel-64kb-extra-6.4.0-150600.23.103.1</li>
<li>ocfs2-kmp-64kb-debuginfo-6.4.0-150600.23.103.1</li>
<li>dlm-kmp-64kb-6.4.0-150600.23.103.1</li>
<li>cluster-md-kmp-64kb-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-64kb-debuginfo-6.4.0-150600.23.103.1</li>
<li>gfs2-kmp-64kb-6.4.0-150600.23.103.1</li>
<li>dtb-amd-6.4.0-150600.23.103.1</li>
<li>dtb-cavium-6.4.0-150600.23.103.1</li>
<li>dtb-allwinner-6.4.0-150600.23.103.1</li>
<li>reiserfs-kmp-64kb-debuginfo-6.4.0-150600.23.103.1</li>
<li>dtb-socionext-6.4.0-150600.23.103.1</li>
<li>dtb-apple-6.4.0-150600.23.103.1</li>
<li>dtb-marvell-6.4.0-150600.23.103.1</li>
<li>kernel-64kb-optional-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-64kb-extra-debuginfo-6.4.0-150600.23.103.1</li>
<li>dtb-exynos-6.4.0-150600.23.103.1</li>
<li>dtb-qcom-6.4.0-150600.23.103.1</li>
<li>dtb-xilinx-6.4.0-150600.23.103.1</li>
<li>kernel-64kb-optional-6.4.0-150600.23.103.1</li>
<li>kernel-64kb-debugsource-6.4.0-150600.23.103.1</li>
<li>dtb-freescale-6.4.0-150600.23.103.1</li>
<li>kselftests-kmp-64kb-6.4.0-150600.23.103.1</li>
<li>kselftests-kmp-64kb-debuginfo-6.4.0-150600.23.103.1</li>
<li>dtb-amlogic-6.4.0-150600.23.103.1</li>
<li>dtb-lg-6.4.0-150600.23.103.1</li>
<li>ocfs2-kmp-64kb-6.4.0-150600.23.103.1</li>
<li>dtb-sprd-6.4.0-150600.23.103.1</li>
<li>cluster-md-kmp-64kb-6.4.0-150600.23.103.1</li>
<li>kernel-64kb-devel-debuginfo-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (aarch64 nosrc)
<ul>
<li>kernel-64kb-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (aarch64 ppc64le x86_64)
<ul>
<li>kernel-kvmsmall-devel-6.4.0-150600.23.103.1</li>
<li>kernel-default-base-rebuild-6.4.0-150600.23.103.1.150600.12.48.1</li>
<li>kernel-default-base-6.4.0-150600.23.103.1.150600.12.48.1</li>
<li>kernel-kvmsmall-debugsource-6.4.0-150600.23.103.1</li>
<li>kernel-kvmsmall-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-kvmsmall-devel-debuginfo-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
<ul>
<li>cluster-md-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>gfs2-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>reiserfs-kmp-default-6.4.0-150600.23.103.1</li>
<li>kernel-default-extra-6.4.0-150600.23.103.1</li>
<li>kselftests-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>reiserfs-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-default-extra-debuginfo-6.4.0-150600.23.103.1</li>
<li>ocfs2-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-default-optional-debuginfo-6.4.0-150600.23.103.1</li>
<li>ocfs2-kmp-default-6.4.0-150600.23.103.1</li>
<li>kernel-syms-6.4.0-150600.23.103.1</li>
<li>kernel-obs-build-debugsource-6.4.0-150600.23.103.1</li>
<li>kernel-default-optional-6.4.0-150600.23.103.1</li>
<li>kernel-default-livepatch-6.4.0-150600.23.103.1</li>
<li>kselftests-kmp-default-6.4.0-150600.23.103.1</li>
<li>kernel-obs-qa-6.4.0-150600.23.103.1</li>
<li>kernel-default-debugsource-6.4.0-150600.23.103.1</li>
<li>kernel-obs-build-6.4.0-150600.23.103.1</li>
<li>gfs2-kmp-default-6.4.0-150600.23.103.1</li>
<li>kernel-default-devel-6.4.0-150600.23.103.1</li>
<li>dlm-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-default-devel-debuginfo-6.4.0-150600.23.103.1</li>
<li>cluster-md-kmp-default-6.4.0-150600.23.103.1</li>
<li>dlm-kmp-default-6.4.0-150600.23.103.1</li>
<li>kernel-default-debuginfo-6.4.0-150600.23.103.1</li>
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<li>
openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 nosrc)
<ul>
<li>kernel-default-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (aarch64 nosrc ppc64le x86_64)
<ul>
<li>kernel-kvmsmall-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (ppc64le s390x x86_64)
<ul>
<li>kernel-default-livepatch-devel-6.4.0-150600.23.103.1</li>
<li>kernel-livepatch-6_4_0-150600_23_103-default-1-150600.13.3.1</li>
<li>kernel-livepatch-6_4_0-150600_23_103-default-debuginfo-1-150600.13.3.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_24-debugsource-1-150600.13.3.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (nosrc s390x)
<ul>
<li>kernel-zfcpdump-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (s390x)
<ul>
<li>kernel-zfcpdump-debugsource-6.4.0-150600.23.103.1</li>
<li>kernel-zfcpdump-debuginfo-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (nosrc)
<ul>
<li>dtb-aarch64-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Availability Extension 15 SP6 (nosrc)
<ul>
<li>kernel-default-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Availability Extension 15 SP6 (aarch64 ppc64le s390x x86_64)
<ul>
<li>kernel-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-default-debugsource-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (noarch nosrc)
<ul>
<li>kernel-docs-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
<ul>
<li>kernel-macros-6.4.0-150600.23.103.1</li>
<li>kernel-source-6.4.0-150600.23.103.1</li>
<li>kernel-devel-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>cluster-md-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>gfs2-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-default-devel-6.4.0-150600.23.103.1</li>
<li>kernel-default-devel-debuginfo-6.4.0-150600.23.103.1</li>
<li>reiserfs-kmp-default-6.4.0-150600.23.103.1</li>
<li>kernel-syms-6.4.0-150600.23.103.1</li>
<li>kernel-default-debugsource-6.4.0-150600.23.103.1</li>
<li>kernel-obs-build-6.4.0-150600.23.103.1</li>
<li>kernel-obs-build-debugsource-6.4.0-150600.23.103.1</li>
<li>dlm-kmp-default-6.4.0-150600.23.103.1</li>
<li>gfs2-kmp-default-6.4.0-150600.23.103.1</li>
<li>cluster-md-kmp-default-6.4.0-150600.23.103.1</li>
<li>reiserfs-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>dlm-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>ocfs2-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>ocfs2-kmp-default-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64 nosrc)
<ul>
<li>kernel-default-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le x86_64)
<ul>
<li>kernel-default-base-6.4.0-150600.23.103.1.150600.12.48.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 nosrc)
<ul>
<li>kernel-64kb-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64)
<ul>
<li>kernel-64kb-debugsource-6.4.0-150600.23.103.1</li>
<li>kernel-64kb-devel-6.4.0-150600.23.103.1</li>
<li>kernel-64kb-devel-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-64kb-debuginfo-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (nosrc s390x)
<ul>
<li>kernel-zfcpdump-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (s390x)
<ul>
<li>kernel-zfcpdump-debugsource-6.4.0-150600.23.103.1</li>
<li>kernel-zfcpdump-debuginfo-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
<ul>
<li>cluster-md-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>reiserfs-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>gfs2-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-default-devel-6.4.0-150600.23.103.1</li>
<li>kernel-default-devel-debuginfo-6.4.0-150600.23.103.1</li>
<li>reiserfs-kmp-default-6.4.0-150600.23.103.1</li>
<li>kernel-syms-6.4.0-150600.23.103.1</li>
<li>kernel-default-debugsource-6.4.0-150600.23.103.1</li>
<li>kernel-obs-build-6.4.0-150600.23.103.1</li>
<li>kernel-obs-build-debugsource-6.4.0-150600.23.103.1</li>
<li>kernel-default-base-6.4.0-150600.23.103.1.150600.12.48.1</li>
<li>gfs2-kmp-default-6.4.0-150600.23.103.1</li>
<li>cluster-md-kmp-default-6.4.0-150600.23.103.1</li>
<li>dlm-kmp-default-6.4.0-150600.23.103.1</li>
<li>kernel-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>dlm-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>ocfs2-kmp-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>ocfs2-kmp-default-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (nosrc ppc64le x86_64)
<ul>
<li>kernel-default-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
<ul>
<li>kernel-macros-6.4.0-150600.23.103.1</li>
<li>kernel-source-6.4.0-150600.23.103.1</li>
<li>kernel-devel-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch nosrc)
<ul>
<li>kernel-docs-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Live Patching 15-SP6 (nosrc)
<ul>
<li>kernel-default-6.4.0-150600.23.103.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)
<ul>
<li>kernel-default-livepatch-6.4.0-150600.23.103.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_24-debugsource-1-150600.13.3.1</li>
<li>kernel-default-debugsource-6.4.0-150600.23.103.1</li>
<li>kernel-default-livepatch-devel-6.4.0-150600.23.103.1</li>
<li>kernel-livepatch-6_4_0-150600_23_103-default-1-150600.13.3.1</li>
<li>kernel-default-debuginfo-6.4.0-150600.23.103.1</li>
<li>kernel-livepatch-6_4_0-150600_23_103-default-debuginfo-1-150600.13.3.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-43284.html">https://www.suse.com/security/cve/CVE-2026-43284.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-43500.html">https://www.suse.com/security/cve/CVE-2026-43500.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264449">https://bugzilla.suse.com/show_bug.cgi?id=1264449</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264450">https://bugzilla.suse.com/show_bug.cgi?id=1264450</a>
</li>
</ul>
</div>