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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.3295 Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP4) 9 June 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Linux Kernel Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2023-28464 CVE-2023-23454 CVE-2023-2162 CVE-2023-1989 CVE-2023-1281 CVE-2023-0386 Original Bulletin: https://www.suse.com/support/update/announcement/2023/suse-su-20232459-1 Comment: CVSS (Max): 7.8 CVE-2023-28464 (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 10 for SLE 15 SP4) Announcement ID: SUSE-SU-2023:2459-1 Rating: important o #1207188 o #1209683 o #1210499 References: o #1210500 o #1210662 o #1211111 o CVE-2023-0386 o CVE-2023-1281 o CVE-2023-1989 Cross-References: o CVE-2023-2162 o CVE-2023-23454 o CVE-2023-28464 o CVE-2023-0386 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-0386 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-1281 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-1281 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-1989 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-1989 ( NVD ): 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-2023-2162 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-2162 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:N/A:N o CVE-2023-23454 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N /S:U/C:H/I:H/A:H o CVE-2023-23454 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:N/I:N/A:H o CVE-2023-28464 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N /S:U/C:H/I:H/A:H o CVE-2023-28464 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/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 six vulnerabilities can now be installed. Description: This update for the Linux Kernel 5.14.21-150400_24_55 fixes several issues. The following security issues were fixed: o CVE-2023-28464: Fixed user-after-free that could lead to privilege escalation in hci_conn_cleanup in net/uetooth/hci_conn.c (bsc#1211111). o CVE-2023-1989: Fixed a use after free in btsdio_remove (bsc#1210500). o CVE-2023-0386: Fixed privileges escalation for low-privileged users in the OverlayFS subsystem (bsc#1210499). o CVE-2023-1281: Fixed use after free that could lead to privilege escalation in tcindex (bsc#1209683). o CVE-2023-2162: Fixed an use-after-free flaw in iscsi_sw_tcp_session_create (bsc#1210662). o CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler (bsc# 1207188). 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-SP4-2023-2459=1 Package List: o SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64) kernel-livepatch-5_14_21-150400_24_55-default-debuginfo-3-150400.2.3 kernel-livepatch-SLE15-SP4_Update_10-debugsource-3-150400.2.3 kernel-livepatch-5_14_21-150400_24_55-default-3-150400.2.3 References: o https://www.suse.com/security/cve/CVE-2023-0386.html o https://www.suse.com/security/cve/CVE-2023-1281.html o https://www.suse.com/security/cve/CVE-2023-1989.html o https://www.suse.com/security/cve/CVE-2023-2162.html o https://www.suse.com/security/cve/CVE-2023-23454.html o https://www.suse.com/security/cve/CVE-2023-28464.html o https://bugzilla.suse.com/show_bug.cgiid=1207188 o https://bugzilla.suse.com/show_bug.cgiid=1209683 o https://bugzilla.suse.com/show_bug.cgiid=1210499 o https://bugzilla.suse.com/show_bug.cgiid=1210500 o https://bugzilla.suse.com/show_bug.cgiid=1210662 o https://bugzilla.suse.com/show_bug.cgiid=1211111 - --------------------------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). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBZIKFLskNZI30y1K9AQj57RAAgnBSelqxNijKQFbyWuQ82nf67W5NPeWR 2fK04DHt/XGgoQ448G94vCpL/Flw6Gp94LT/AVZvevyruJq30FOmSALy45KK7g/d 12+FRLnvdAGcXzUs1Igg/PmnihRxelc4K3BJXF9gZwzOGhRHotVaKknoDw11/WVT ZvYhf+Ae/F1EdneIz5Xvy8PB/iUOj916G2/4/2f2OSQrawaJwKV7btgpchx2G2fl yTDvcc6B4LGDqVCnVzjUwfxKM6z49OimwE4EqeFyRzByt8+q+wN6ZRFVG6QYv+fw gu+fiBQPhJuHNQXq6Jh5Bf9bNPRtRI6j4EfvffVEN8BodBqXAjr+o/Vu2/RUJMEi pt9Be1CS7I9KhXhVEUygOOJAIZEas+lk6sgIBHLGpKWpbq5PIoNXYpB5qMVTuFFA pixccI1lcT2DoII2Q57FFTY+65F+9VhB2pH7YTpXa2LdmwscXrtVYuJ5QWxVwAex QYQk/TOC1SgxecKtoazBSFqeK751W0MlQgqVTQG57Cg5pffDd5bxu8Qa4VB+W415 mngFsZ20iSOXFCq/nYcRU3dQip7w9nM7hP5tY5b40iOlDzdtOAzRh4jFmpUItn8n 3bHITbbvTAAeHuNAvCQIRgoAv4MyONEk4ZapXNNnPQiQwPHy/TLv1evuaSZwcFPM B1EIVJIO8jU= =0KZU -----END PGP SIGNATURE-----