SUSE: 2023:4280-1 important: the Linux Kernel (Live Patch 44 for SLE 15 SP1)
Summary
## This update for the Linux Kernel 4.12.14-150100_197_157 fixes several issues. The following security issues were fixed: * 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-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619). * CVE-2023-1281: Fixed use after free that could lead to privilege escalation in tcindex (bsc#1209683). ## 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-SP1 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2023-4280=1 ## Package List: * SUSE Linux Enterprise Live Patching 15-SP1 (ppc64le x86_64) * kernel-livepatch-4_12_14-150100_197_157-default-2-150100.2.2
References
* bsc#1209683
* bsc#1210619
* bsc#1215440
Cross-
* CVE-2023-1281
* CVE-2023-1829
* CVE-2023-4623
CVSS scores:
* CVE-2023-1281 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-1281 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-1829 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-1829 ( 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:
* SUSE Linux Enterprise High Performance Computing 15 SP1
* SUSE Linux Enterprise Live Patching 15-SP1
* SUSE Linux Enterprise Server 15 SP1
* SUSE Linux Enterprise Server for SAP Applications 15 SP1
An update that solves three vulnerabilities can now be installed.
##
* https://www.suse.com/security/cve/CVE-2023-1281.html
* https://www.suse.com/security/cve/CVE-2023-1829.html
* https://www.suse.com/security/cve/CVE-2023-4623.html
* https://bugzilla.suse.com/show_bug.cgi?id=1209683
* https://bugzilla.suse.com/show_bug.cgi?id=1210619
* https://bugzilla.suse.com/show_bug.cgi?id=1215440
![Dist Suse](/images/distros/dist-suse.gif)