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=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2024.2282 Security update for the Linux Kernel (Live Patch 42 for SLE 15 SP3) 15 April 2024 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Linux Kernel Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2023-1829 CVE-2023-6531 Original Bulletin: https://www.suse.com/support/update/announcement/2024/suse-su-20241276-1 Comment: CVSS (Max): 7.8 CVE-2023-1829 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for the Linux Kernel (Live Patch 42 for SLE 15 SP3) Announcement ID: SUSE-SU-2024:1276-1 Rating: important o bsc#1210619 References: o bsc#1218487 o CVE-2023-1829 Cross-References: o CVE-2023-6531 o 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 o 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 CVSS scores: o CVE-2023-6531 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-6531 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/ S:U/C:H/I:H/A:H o openSUSE Leap 15.3 o SUSE Linux Enterprise High Performance Computing 15 SP2 o SUSE Linux Enterprise High Performance Computing 15 SP3 o SUSE Linux Enterprise Live Patching 15-SP2 Affected o SUSE Linux Enterprise Live Patching 15-SP3 Products: o SUSE Linux Enterprise Micro 5.1 o SUSE Linux Enterprise Micro 5.2 o SUSE Linux Enterprise Server 15 SP2 o SUSE Linux Enterprise Server 15 SP3 o SUSE Linux Enterprise Server for SAP Applications 15 SP2 o SUSE Linux Enterprise Server for SAP Applications 15 SP3 An update that solves two vulnerabilities can now be installed. Description: This update for the Linux Kernel 5.3.18-150300_59_153 fixes several issues. The following security issues were fixed: o CVE-2023-6531: Fixed a use-after-free flaw due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic()on the socket that the SKB is queued on (bsc# 1218487). o CVE-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619). 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: o SUSE Linux Enterprise Live Patching 15-SP2 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2024-1276=1 o openSUSE Leap 15.3 zypper in -t patch SUSE-2024-1277=1 o SUSE Linux Enterprise Live Patching 15-SP3 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2024-1277=1 Package List: o SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64) kernel-livepatch-5_3_18-150200_24_183-default-debuginfo-2-150200.5.6.1 kernel-livepatch-SLE15-SP2_Update_46-debugsource-2-150200.5.6.1 kernel-livepatch-5_3_18-150200_24_183-default-2-150200.5.6.1 o openSUSE Leap 15.3 (ppc64le s390x x86_64) kernel-livepatch-5_3_18-150300_59_153-default-2-150300.7.6.1 kernel-livepatch-SLE15-SP3_Update_42-debugsource-2-150300.7.6.1 kernel-livepatch-5_3_18-150300_59_153-default-debuginfo-2-150300.7.6.1 o openSUSE Leap 15.3 (x86_64) kernel-livepatch-5_3_18-150300_59_153-preempt-debuginfo-2-150300.7.6.1 kernel-livepatch-5_3_18-150300_59_153-preempt-2-150300.7.6.1 o SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64) kernel-livepatch-5_3_18-150300_59_153-default-2-150300.7.6.1 References: o https://www.suse.com/security/cve/CVE-2023-1829.html o https://www.suse.com/security/cve/CVE-2023-6531.html o https://bugzilla.suse.com/show_bug.cgi?id=1210619 o https://bugzilla.suse.com/show_bug.cgi?id=1218487 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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