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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.2334 Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP4) 26 April 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Linux Kernel RT Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2023-1652 CVE-2023-1118 CVE-2023-0590 Original Bulletin: https://www.suse.com/support/update/announcement/2023/suse-su-20231975-1 Comment: CVSS (Max): 7.0 CVE-2023-1652 (CVSS:3.1/AV:L/AC:H/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:H/PR:L/UI:N/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP4) Announcement ID: SUSE-SU-2023:1975-1 Rating: important o #1207822 References: o #1208910 o #1209797 o CVE-2023-0590 Cross-References: o CVE-2023-1118 o CVE-2023-1652 o CVE-2023-0590 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-0590 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/ S:U/C:N/I:N/A:H o CVE-2023-1118 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/ S:U/C:H/I:H/A:H CVSS scores: o CVE-2023-1118 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-1652 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-1652 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:N/A:H o SUSE Linux Enterprise High Performance Computing 15 SP4 o SUSE Linux Enterprise Live Patching 15-SP4 Affected o SUSE Linux Enterprise Micro 5.3 Products: o SUSE Linux Enterprise Micro 5.4 o SUSE Linux Enterprise Real Time 15 SP4 o SUSE Linux Enterprise Server 15 SP4 o SUSE Linux Enterprise Server for SAP Applications 15 SP4 An update that solves three vulnerabilities can now be installed. Description: This update for the Linux Kernel 5.14.21-150400_15_5 fixes several issues. The following security issues were fixed: o CVE-2023-0590: Fixed race condition in qdisc_graft() (bsc#1207795). o CVE-2023-1652: Fixed use-after-free that could lead to DoS and information leak in nfsd4_ssc_setup_dul in fs/nfsd/nfs4proc.c (bsc#1209788). o CVE-2023-1118: Fixed a use-after-free bugs caused by ene_tx_irqsim() in media/rc (bsc#1208837). Patch Instructions: To install this SUSE Important 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-SP4-2023-1975=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-1976=1 Package List: o SUSE Linux Enterprise Live Patching 15-SP4 (x86_64) kernel-livepatch-5_14_21-150400_15_8-rt-debuginfo-4-150400.2.2 kernel-livepatch-SLE15-SP4-RT_Update_1-debugsource-5-150400.2.2 kernel-livepatch-5_14_21-150400_15_8-rt-4-150400.2.2 kernel-livepatch-5_14_21-150400_15_5-rt-debuginfo-5-150400.2.2 kernel-livepatch-5_14_21-150400_15_5-rt-5-150400.2.2 kernel-livepatch-SLE15-SP4-RT_Update_2-debugsource-4-150400.2.2 References: o https://www.suse.com/security/cve/CVE-2023-0590.html o https://www.suse.com/security/cve/CVE-2023-1118.html o https://www.suse.com/security/cve/CVE-2023-1652.html o https://bugzilla.suse.com/show_bug.cgiid=1207822 o https://bugzilla.suse.com/show_bug.cgiid=1208910 o https://bugzilla.suse.com/show_bug.cgiid=1209797 - --------------------------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/ iQIVAwUBZEiA8skNZI30y1K9AQifoBAAgLKXHybSbhsqoCKQoOT6Ypk8DHGuunYe oGBrx58Sj1bmvxoXqxRFIYDgXUauRbVkoBCaShalm8simX0eY3eYwhALeakHBAGJ bSkqfJGs3rfiKgF+3xfuWdxNIWbHNorbvjA2J3huPkyeBdQ0YXQtQd7gAu2JJuzt yRYc+japU2T55wHrB3XyO5kF/0QJxJA9j5CszQyJ4DqzZ7JBE+mLwrGw+GeXiRDB taRr39/PMNad4t8Gf52ZUXOEp0ckN5nGXJ19xE2Ad8QZyNl85t+IXiJ/VPeFSYtu QF8PDZ/vxZVOKCockf/RW1tNjY7nlN+4VnSckPCS7Br+MLDw/nhal0sJpwmb76aM btdJW6fpgn5aEOeeyey1HnuXPyDeHD0fk6ZFKhuc4aVKP9OLnAGJGpS1TQYfHXkQ /eIoU6qcElQ2ZkbGQZJC4sf8mhkOwHWUmjJDu0VnDKOFJrNJVJQdmg+qwA+jO/BE Mmsyq+yno5RDC4pPiOzyIN5NAtFw8BsIvYkYZEvABlnlxTWre1Wfus1ggrS55fBa MYp6PXf35+NZXxGb/cjyRI0+3wOZSdxmxlg64a4PcuhnZwOT9MxFjCd0MCSBmKMI U6LSBc+cvff/n3Lko+kZnOgZC6odWZmEVc6x3zUdFBwjSXPm5NmEOdXTgdUgoHn4 g5LIvxlKtSM= =qHg5 -----END PGP SIGNATURE-----