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openSUSE Kernel Important Major Issues Fix USN-2026-1840-2

opensuse
Calendar Grey May 13, 2026
Dist Opensuse Esm H88
Major kernel update for openSUSE 15.6 addresses important issues and vulnerabilities requiring immediate attention.
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 update threat important kernel data integrity network attack 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 openSUSE-SLE-15.6-2026-1840=1

Package List

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)

* kernel-default-livepatch-6.4.0-150600.23.103.1

* kernel-default-debugsource-6.4.0-150600.23.103.1

* gfs2-kmp-default-debuginfo-6.4.0-150600.23.103.1

* gfs2-kmp-default-6.4.0-150600.23.103.1

* cluster-md-kmp-default-6.4.0-150600.23.103.1

* kernel-obs-qa-6.4.0-150600.23.103.1

* reiserfs-kmp-default-6.4.0-150600.23.103.1

* dlm-kmp-default-debuginfo-6.4.0-150600.23.103.1

* ocfs2-kmp-default-debuginfo-6.4.0-150600.23.103.1

* ocfs2-kmp-default-6.4.0-150600.23.103.1

* kernel-obs-build-6.4.0-150600.23.103.1

* kernel-default-optional-6.4.0-150600.23.103.1

* kselftests-kmp-default-6.4.0-150600.23.103.1

* cluster-md-kmp-default-debuginfo-6.4.0-150600.23.103.1

* kernel-default-debuginfo-6.4.0-150600.23.103.1

* kernel-default-extra-debuginfo-6.4.0-150600.23.103.1

* kernel-default-devel-6.4.0-150600.23.103.1

* reiserfs-kmp-default-debuginfo-6.4.0-150600.23.103.1

* dlm-kmp-default-6.4.0-150600.23.103.1

* kselftests-kmp-default-debuginfo-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-2026:1840-2
Release Date: 2026-05-13T15:10:11Z
Affected Products: * openSUSE Leap 15.6

Topics%20covered

Topics Covered

security advisory update threat important kernel data integrity network attack OpenSUSE

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