SUSE-SU-2023:3676-1: important: Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP5)
# Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP5)
Announcement ID: SUSE-SU-2023:3676-1
Rating: important
References:
* #1211395
* #1212849
* #1213063
Cross-References:
* CVE-2023-2156
* CVE-2023-3090
* CVE-2023-35001
CVSS scores:
* CVE-2023-2156 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-2156 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-3090 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3090 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-35001 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-35001 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
* openSUSE Leap 15.5
* SUSE Linux Enterprise High Performance Computing 15 SP4
* SUSE Linux Enterprise High Performance Computing 15 SP5
* SUSE Linux Enterprise Live Patching 15-SP4
* SUSE Linux Enterprise Live Patching 15-SP5
* SUSE Linux Enterprise Micro 5.3
* SUSE Linux Enterprise Micro 5.4
* SUSE Linux Enterprise Micro 5.5
* SUSE Linux Enterprise Real Time 15 SP4
* SUSE Linux Enterprise Real Time 15 SP5
* SUSE Linux Enterprise Server 15 SP4
* SUSE Linux Enterprise Server 15 SP5
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
* SUSE Linux Enterprise Server for SAP Applications 15 SP5
An update that solves three vulnerabilities can now be installed.
## Description:
This update for the Linux Kernel 5.14.21-150500_13_5 fixes several issues.
The following security issues were fixed:
* CVE-2023-2156: Fixed a flaw in the networking subsystem within the handling
of the RPL protocol (bsc#1211395).
* CVE-2023-35001: Fixed an out-of-bounds memory access flaw in nft_byteorder
that could allow a local attacker to escalate their privilege (bsc#1213063).
* CVE-2023-3090: Fixed a heap out-of-bounds write in the ipvlan network driver
(bsc#1212849).
## 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:
* SUSE Linux Enterprise Live Patching 15-SP4
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-3676=1
* openSUSE Leap 15.5
zypper in -t patch SUSE-2023-3679=1
* SUSE Linux Enterprise Live Patching 15-SP5
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-3679=1
## Package List:
* SUSE Linux Enterprise Live Patching 15-SP4 (x86_64)
* kernel-livepatch-SLE15-SP4-RT_Update_8-debugsource-2-150400.2.1
* kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1
* kernel-livepatch-5_14_21-150400_15_37-rt-debuginfo-2-150400.2.1
* openSUSE Leap 15.5 (x86_64)
* kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1
* kernel-livepatch-5_14_21-150500_13_5-rt-debuginfo-2-150500.2.1
* kernel-livepatch-SLE15-SP5-RT_Update_1-debugsource-2-150500.2.1
* SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)
* kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1
* kernel-livepatch-5_14_21-150500_13_5-rt-debuginfo-2-150500.2.1
* kernel-livepatch-SLE15-SP5-RT_Update_1-debugsource-2-150500.2.1
## References:
* https://www.suse.com/security/cve/CVE-2023-2156.html
* https://www.suse.com/security/cve/CVE-2023-3090.html
* https://www.suse.com/security/cve/CVE-2023-35001.html
* https://bugzilla.suse.com/show_bug.cgi?id=1211395
* https://bugzilla.suse.com/show_bug.cgi?id=1212849
* https://bugzilla.suse.com/show_bug.cgi?id=1213063
A Linux Kernel RT (Live Patch 1 for SLE 15 SP5) security update has been released for openSUSE Leap 15.5 and SUSE Linux Enterprise.
