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openSUSE: 2023:3658-1 Important: CVE-2023-2156 Networking Flaw Fix

opensuse
Calendar Grey September 18, 2023
Scroller Opensuse
A critical security patch for the Linux Kernel targeting CVE-2023-2157 impacting multiple SUSE-based systems.
This update for the Linux Kernel 5.14.21-150500_55_12 fixes one issue

Description

This update for the Linux Kernel 5.14.21-150500_55_12 fixes one issue.

The following security issue was fixed:

* CVE-2023-2156: Fixed a flaw in the networking subsystem within the handling

of the RPL protocol (bsc#1211395).

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 15.4

zypper in -t patch SUSE-2023-3658=1

* SUSE Linux Enterprise Live Patching 15-SP4

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-3658=1

* openSUSE Leap 15.5

zypper in -t patch SUSE-2023-3660=1

* SUSE Linux Enterprise Live Patching 15-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-3660=1

Package List

* openSUSE Leap 15.4 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP4_Update_15-debugsource-2-150400.2.1

* kernel-livepatch-5_14_21-150400_24_74-default-2-150400.2.1

* kernel-livepatch-5_14_21-150400_24_74-default-debuginfo-2-150400.2.1

* SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP4_Update_15-debugsource-2-150400.2.1

* kernel-livepatch-5_14_21-150400_24_74-default-2-150400.2.1

* kernel-livepatch-5_14_21-150400_24_74-default-debuginfo-2-150400.2.1

* openSUSE Leap 15.5 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150500_55_12-default-debuginfo-2-150500.2.1

* kernel-livepatch-5_14_21-150500_55_12-default-2-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_2-debugsource-2-150500.2.1

* SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150500_55_12-default-debuginfo-2-150500.2.1

* kernel-livepatch-5_14_21-150500_55_12-default-2-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_2-debugsource-2-150500.2.1

References

* #1211395

## References:

* https://www.suse.com/security/cve/CVE-2023-2156.html

* https://bugzilla.suse.com/show_bug.cgi?id=1211395

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:3658-1
Rating: important

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