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Ubuntu 22.04 Kernel Notable Memory Loss Flaws DSA-2023-2010-4

opensuse
Calendar Grey May 13, 2026
Dist Opensuse Esm H88
Learn about important updates for openSUSE's Linux Kernel addressing critical issues and security risks.
An update that solves two vulnerabilities can now be installed.

Description

The SUSE Linux Enterprise 15 SP6 kernel was updated to fix the following issue:

* CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags

(bsc#1264449).

* CVE-2026-43500: rxrpc: Also unshare DATA/RESPONSE packets when paged frags

are present (bsc#1264450).

## Special Instructions and Notes:

* Please reboot the system after installing this update.

Topics%20covered

Topics Covered

security advisory denial of service security issue important Linux kernel OpenSUSE

Patch

## 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 15.6

zypper in -t patch SUSE-2026-1840=1

* SUSE Linux Enterprise High Availability Extension 15 SP6

zypper in -t patch SUSE-SLE-Product-HA-15-SP6-2026-1840=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1840=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-1840=1

* SUSE Linux Enterprise Live Patching 15-SP6

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2026-1840=1

Package List

* openSUSE Leap 15.6 (noarch nosrc)

* kernel-docs-6.4.0-150600.23.103.1

* openSUSE Leap 15.6 (noarch)

* kernel-macros-6.4.0-150600.23.103.1

* kernel-source-vanilla-6.4.0-150600.23.103.1

* kernel-source-6.4.0-150600.23.103.1

* kernel-docs-html-6.4.0-150600.23.103.1

* kernel-devel-6.4.0-150600.23.103.1

* openSUSE Leap 15.6 (nosrc ppc64le x86_64)

* kernel-debug-6.4.0-150600.23.103.1

* openSUSE Leap 15.6 (ppc64le x86_64)

* kernel-debug-debugsource-6.4.0-150600.23.103.1

* kernel-debug-devel-6.4.0-150600.23.103.1

* kernel-debug-devel-debuginfo-6.4.0-150600.23.103.1

* kernel-debug-debuginfo-6.4.0-150600.23.103.1

* openSUSE Leap 15.6 (x86_64)

* kernel-kvmsmall-vdso-debuginfo-6.4.0-150600.23.103.1

* kernel-debug-vdso-debuginfo-6.4.0-150600.23.103.1

* kernel-default-vdso-6.4.0-150600.23.103.1

* kernel-debug-vdso-6.4.0-150600.23.103.1

* kernel-default-vdso-debuginfo-6.4.0-150600.23.103.1

* kernel-kvmsmall-vdso-6.4.0-150600.23.103.1

* openSUSE Leap 15.6 (aarch64)

* dtb-hisilicon-6.4.0-150600.23.103.1

*...

Read the Full Advisory

References

* bsc#1264449

* bsc#1264450

## References:

* https://www.suse.com/security/cve/CVE-2026-43284.html

* https://www.suse.com/security/cve/CVE-2026-43500.html

* https://bugzilla.suse.com/show_bug.cgi?id=1264449

* https://bugzilla.suse.com/show_bug.cgi?id=1264450

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1840-1
Release Date: 2026-05-13T10:05:24Z
Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise High Availability Extension 15 SP6 * SUSE Linux Enterprise Live Patching 15-SP6 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP6 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP6

Topics%20covered

Topics Covered

security advisory denial of service security issue important Linux kernel OpenSUSE

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