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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.3296 Security update for the Linux Kernel (Live Patch 27 for SLE 15 SP2) 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-2023-1872 CVE-2023-1281 CVE-2023-0461 Original Bulletin: https://www.suse.com/support/update/announcement/2023/suse-su-20232448-1 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 27 for SLE 15 SP2) Announcement ID: SUSE-SU-2023:2448-1 Rating: important o #1207188 o #1208911 o #1209683 References: o #1210417 o #1210500 o #1210662 o #1211111 o CVE-2023-0461 o CVE-2023-1281 o CVE-2023-1872 Cross-References: o CVE-2023-1989 o CVE-2023-2162 o CVE-2023-23454 o CVE-2023-28464 o CVE-2023-0461 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-0461 ( 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-2023-1872 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-1872 ( 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 CVSS scores: 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 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 SP2 Affected o SUSE Linux Enterprise Live Patching 15-SP2 Products: o SUSE Linux Enterprise Server 15 SP2 o SUSE Linux Enterprise Server for SAP Applications 15 SP2 An update that solves seven vulnerabilities can now be installed. Description: This update for the Linux Kernel 5.3.18-150200_24_115 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-2023-1872: Fixed a use after free vulnerability in the io_uring subsystem, which could lead to local privilege escalation (bsc#1210417). 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-2023-0461: Fixed use-after-free in icsk_ulp_data (bsc#1208911). 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-SP2 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2023-2449=1 SUSE-SLE-Module-Live-Patching-15-SP2-2023-2448=1 Package List: o SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64) kernel-livepatch-5_3_18-150200_24_139-default-debuginfo-5-150200.2.3 kernel-livepatch-SLE15-SP2_Update_27-debugsource-14-150200.2.3 kernel-livepatch-5_3_18-150200_24_139-default-5-150200.2.3 kernel-livepatch-SLE15-SP2_Update_32-debugsource-5-150200.2.3 kernel-livepatch-5_3_18-150200_24_115-default-14-150200.2.3 kernel-livepatch-5_3_18-150200_24_115-default-debuginfo-14-150200.2.3 References: o https://www.suse.com/security/cve/CVE-2023-0461.html o https://www.suse.com/security/cve/CVE-2023-1281.html o https://www.suse.com/security/cve/CVE-2023-1872.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=1208911 o https://bugzilla.suse.com/show_bug.cgiid=1209683 o https://bugzilla.suse.com/show_bug.cgiid=1210417 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. 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/ iQIVAwUBZIKFQskNZI30y1K9AQgoaw//U6/sKR7hOhEgqVN6ILEuKi3e8T8Y6raU h+kA/IpOEf34es4R8IvsMqqKXkxULPEWL1ZA22/edMmlOhwW2M6vj/u5xQFUHQ4d 0RCMeKdh6C355uGTycNCSepgk7BF+AlgsDk+TJ9uwQfkCVbSdAHPlNWx2tqW8BfE oLgqcR0H2fAjf/lMiJ6hhl94ZifWRLP5L7mweSTA7AYhCakhh4wbkUIlP/Pj9ahB y0TmSAIV8Ivi4bGy/LGSouHlWn7dG9174Pb/Kyxc9nHxBDONQEWdF6g1gf0cHsuJ AtCfdWpalugK6miPifPZgMapiamcODzr5ANSjPDYTkJuLLExuyOeq3Y1BtdyzA3l wnSMJ++AolxIWbpjarJKzsJkZMsv5Se1907hMQgyTH0vykEWfB1qRGm+lLVOX87G i+q7PBYwWaPlTvCZUa85P3ab0dv3t8srC7VfTnHZ0qGT6Crze3rZB8XROi33xjwN G9Sz9r6h4UqTWvG/5BnZT6RWORzV47zbkfALm/STxV12fXiOJIzutxUlCdC3ZLCb MDzrBRt7ymHr0p71H95c4z51dMNt88cliPD/lYfGE5qBu4Dbv5ZXAY+AHIbMwAdm m41zJnR+f9wSBYsPJu+eNz5yBHPdgFMoHK+IhVKe9mpWxGOsRIWhAGwRZwKy92OE z78FVkhXoCQ= =B//m -----END PGP SIGNATURE-----