SUSE: 2023:4175-1 important: the Linux Kernel RT (Live Patch 1 for SLE 15 SP5)
Summary
## This update for the Linux Kernel 5.14.21-150500_13_5 fixes several issues. The following security issues were fixed: * CVE-2023-4147: Fixed use-after-free in nf_tables_newrule (bsc#1215118). * CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler which could be exploited to achieve local privilege escalation (bsc#1215440). * CVE-2023-4004: Fixed improper element removal netfilter nft_set_pipapo (bsc#1214812). * CVE-2023-3390: Fixed an use-after-free vulnerability in the netfilter subsystem in net/netfilter/nf_tables_api.c that could allow a local attacker with user access to cause a privilege escalation issue (bsc#1212934). ## 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 15.5 zypper in -t patch SUSE-2023-4175=1 * SUSE Linux Enterprise Live Patching 15-SP5 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-4175=1 ## Package List: * openSUSE Leap 15.5 (x86_64) * kernel-livepatch-5_14_21-150500_13_5-rt-4-150500.2.1 * kernel-livepatch-SLE15-SP5-RT_Update_1-debugsource-4-150500.2.1 * kernel-livepatch-5_14_21-150500_13_5-rt-debuginfo-4-150500.2.1 * SUSE Linux Enterprise Live Patching 15-SP5 (x86_64) * kernel-livepatch-5_14_21-150500_13_5-rt-4-150500.2.1 * kernel-livepatch-SLE15-SP5-RT_Update_1-debugsource-4-150500.2.1 * kernel-livepatch-5_14_21-150500_13_5-rt-debuginfo-4-150500.2.1
References
* bsc#1212934
* bsc#1214812
* bsc#1215118
* bsc#1215440
Cross-
* CVE-2023-3390
* CVE-2023-4004
* CVE-2023-4147
* CVE-2023-4623
CVSS scores:
* CVE-2023-3390 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3390 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4004 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4004 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4147 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4147 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4623 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4623 ( 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 SP5
* SUSE Linux Enterprise Live Patching 15-SP5
* SUSE Linux Enterprise Micro 5.5
* SUSE Linux Enterprise Real Time 15 SP5
* SUSE Linux Enterprise Server 15 SP5
* SUSE Linux Enterprise Server for SAP Applications 15 SP5
An update that solves four vulnerabilities can now be installed.
##
* https://www.suse.com/security/cve/CVE-2023-3390.html
* https://www.suse.com/security/cve/CVE-2023-4004.html
* https://www.suse.com/security/cve/CVE-2023-4147.html
* https://www.suse.com/security/cve/CVE-2023-4623.html
* https://bugzilla.suse.com/show_bug.cgi?id=1212934
* https://bugzilla.suse.com/show_bug.cgi?id=1214812
* https://bugzilla.suse.com/show_bug.cgi?id=1215118
* https://bugzilla.suse.com/show_bug.cgi?id=1215440
![Dist Suse](/images/distros/dist-suse.gif)