Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.6394 Security update for the Linux Kernel (Live Patch 8 for SLE 15 SP4) 2 November 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Linux Kernel (Live Patch 8 for SLE 15 SP4) Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2023-4623 CVE-2023-4147 CVE-2023-4004 CVE-2023-3390 Original Bulletin: https://www.suse.com/support/update/announcement/2023/suse-su-20234308-1 Comment: CVSS (Max): 7.8 CVE-2023-4623 (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 8 for SLE 15 SP4) Announcement ID: SUSE-SU-2023:4308-1 Rating: important o bsc#1212934 o bsc#1214812 References: o bsc#1215118 o bsc#1215440 o CVE-2023-3390 o CVE-2023-4004 Cross-References: o CVE-2023-4147 o CVE-2023-4623 o 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 o 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 o 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 o 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 CVSS scores: o 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 o 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 o 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 o 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 o openSUSE Leap 15.4 o openSUSE Leap 15.5 o SUSE Linux Enterprise High Performance Computing 15 SP4 o SUSE Linux Enterprise High Performance Computing 15 SP5 o SUSE Linux Enterprise Live Patching 15-SP4 o SUSE Linux Enterprise Live Patching 15-SP5 Affected o SUSE Linux Enterprise Micro 5.3 Products: o SUSE Linux Enterprise Micro 5.4 o SUSE Linux Enterprise Micro 5.5 o SUSE Linux Enterprise Real Time 15 SP4 o SUSE Linux Enterprise Real Time 15 SP5 o SUSE Linux Enterprise Server 15 SP4 o SUSE Linux Enterprise Server 15 SP5 o SUSE Linux Enterprise Server for SAP Applications 15 SP4 o SUSE Linux Enterprise Server for SAP Applications 15 SP5 An update that solves four vulnerabilities can now be installed. Description: This update for the Linux Kernel 5.14.21-150400_24_46 fixes several issues. The following security issues were fixed: o CVE-2023-4147: Fixed use-after-free in nf_tables_newrule (bsc#1215118). o 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). o CVE-2023-4004: Fixed improper element removal netfilter nft_set_pipapo (bsc #1214812). o 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: o SUSE Linux Enterprise Live Patching 15-SP4 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-4316=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-4315=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-4311=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-4314=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-4317=1 o openSUSE Leap 15.4 zypper in -t patch SUSE-2023-4315=1 SUSE-2023-4311=1 SUSE-2023-4314=1 SUSE-2023-4317=1 SUSE-2023-4316=1 o openSUSE Leap 15.5 zypper in -t patch SUSE-2023-4308=1 o SUSE Linux Enterprise Live Patching 15-SP5 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-4308=1 Package List: o SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64) kernel-livepatch-5_14_21-150400_24_33-default-12-150400.2.3 kernel-livepatch-SLE15-SP4_Update_5-debugsource-12-150400.2.3 kernel-livepatch-SLE15-SP4_Update_8-debugsource-9-150400.2.3 kernel-livepatch-5_14_21-150400_24_66-default-debuginfo-5-150400.2.1 kernel-livepatch-5_14_21-150400_24_69-default-debuginfo-4-150400.2.1 kernel-livepatch-5_14_21-150400_24_33-default-debuginfo-12-150400.2.3 kernel-livepatch-5_14_21-150400_24_55-default-debuginfo-8-150400.2.1 kernel-livepatch-5_14_21-150400_24_46-default-9-150400.2.3 kernel-livepatch-5_14_21-150400_24_55-default-8-150400.2.1 kernel-livepatch-5_14_21-150400_24_69-default-4-150400.2.1 kernel-livepatch-SLE15-SP4_Update_10-debugsource-8-150400.2.1 kernel-livepatch-5_14_21-150400_24_46-default-debuginfo-9-150400.2.3 kernel-livepatch-SLE15-SP4_Update_13-debugsource-5-150400.2.1 kernel-livepatch-5_14_21-150400_24_66-default-5-150400.2.1 kernel-livepatch-SLE15-SP4_Update_14-debugsource-4-150400.2.1 o openSUSE Leap 15.4 (ppc64le s390x x86_64) kernel-livepatch-5_14_21-150400_24_33-default-12-150400.2.3 kernel-livepatch-SLE15-SP4_Update_8-debugsource-9-150400.2.3 kernel-livepatch-5_14_21-150400_24_66-default-debuginfo-5-150400.2.1 kernel-livepatch-5_14_21-150400_24_69-default-debuginfo-4-150400.2.1 kernel-livepatch-5_14_21-150400_24_33-default-debuginfo-12-150400.2.3 kernel-livepatch-5_14_21-150400_24_66-default-5-150400.2.1 kernel-livepatch-5_14_21-150400_24_55-default-debuginfo-8-150400.2.1 kernel-livepatch-5_14_21-150400_24_46-default-9-150400.2.3 kernel-livepatch-5_14_21-150400_24_55-default-8-150400.2.1 kernel-livepatch-5_14_21-150400_24_69-default-4-150400.2.1 kernel-livepatch-SLE15-SP4_Update_10-debugsource-8-150400.2.1 kernel-livepatch-5_14_21-150400_24_46-default-debuginfo-9-150400.2.3 kernel-livepatch-SLE15-SP4_Update_13-debugsource-5-150400.2.1 kernel-livepatch-SLE15-SP4_Update_5-debugsource-12-150400.2.3 kernel-livepatch-SLE15-SP4_Update_14-debugsource-4-150400.2.1 o openSUSE Leap 15.5 (ppc64le s390x x86_64) kernel-livepatch-5_14_21-150500_55_7-default-4-150500.2.1 kernel-livepatch-5_14_21-150500_55_7-default-debuginfo-4-150500.2.1 kernel-livepatch-SLE15-SP5_Update_1-debugsource-4-150500.2.1 o SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64) kernel-livepatch-5_14_21-150500_55_7-default-4-150500.2.1 kernel-livepatch-5_14_21-150500_55_7-default-debuginfo-4-150500.2.1 kernel-livepatch-SLE15-SP5_Update_1-debugsource-4-150500.2.1 References: o https://www.suse.com/security/cve/CVE-2023-3390.html o https://www.suse.com/security/cve/CVE-2023-4004.html o https://www.suse.com/security/cve/CVE-2023-4147.html o https://www.suse.com/security/cve/CVE-2023-4623.html o https://bugzilla.suse.com/show_bug.cgiid=1212934 o https://bugzilla.suse.com/show_bug.cgiid=1214812 o https://bugzilla.suse.com/show_bug.cgiid=1215118 o https://bugzilla.suse.com/show_bug.cgiid=1215440 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. 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). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBZUMaH8kNZI30y1K9AQhFMRAAtpRyjW6Rj0MGcz3n2tjkDE0uFT+Y9FFK m3EUu9JFSykxvWukpfDOXfwS0uH3zt7XZmw1hQzyj0/cth9H4bzHDKkCwtRkYFIo Ylgo/S/Lg0+Xp2CdxWBGtRZlZ7RVCnLhJYg3FpHaN0+oDHKt/XSx7ysdrl6fn9Fz hMs7HvSMTu6ZEw2mOPwa7h8UejJUqlbbaOdjGPoT7wi/NjQ+H+kZa/DCSGUNJM8n la5jCRjSTwbQw0VSLX5XL0a+GKO8mITzSlUMGzL4DknEa21I6SdqYv7v/bMHOcbs Q81b9b7N34MPguTUHDxbLaN6nfhxVDXTOyOIeRr1NY2nqWXaqnF7qLwDQ/AjmnWR MiJm43bzP+ptTSAWaeEpVDD+98wpTW+hShTHy4rsWjAwGCBzp8HwOfIM7zRpIops m4rQow/zrVPkBBaLimecJTAF8T9TBCaDOgNMA3nDneutnf1wTVeOBGfa5UUAKtqK Xv43r7FjJiL3AuxrFgRtBUJSIHo4gcQfyIm2nNv/M1rTjZDr4zZn8kkoU5KwY20y KETMwVv6bdL57vQdXpJjuTN6mD14mpNJOwJ50YKr2HmgjEX4oxubnHVwLEyYRWoa yP/yciL5G33ONyWObHsGi7cbtj8bBWEjT/CZjbvpQxVj02cRPQNofRVAGoeAYKUU 6EvcpegqPB4= =f8Tf -----END PGP SIGNATURE-----