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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.3695 Security update for the Linux Kernel (Live Patch 36 for SLE 15 SP1) 29 June 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Linux Kernel (Live Patch 36 for SLE 15 SP1) Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2023-31436 CVE-2023-28466 CVE-2023-23455 CVE-2023-1390 Original Bulletin: https://www.suse.com/support/update/announcement/2023/suse-su-20232679-1 Comment: CVSS (Max): 7.8 CVE-2023-28466 (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 36 for SLE 15 SP1) Announcement ID: SUSE-SU-2023:2679-1 Rating: important o #1207189 o #1210452 References: o #1210779 o #1210989 o CVE-2023-1390 o CVE-2023-23455 Cross-References: o CVE-2023-28466 o CVE-2023-31436 o CVE-2023-1390 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2023-1390 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2023-23455 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N /S:U/C:H/I:H/A:H o CVE-2023-23455 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:N/I:N/A:H CVSS scores: o CVE-2023-28466 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N /S:U/C:H/I:H/A:H o CVE-2023-28466 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-31436 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N /S:U/C:H/I:H/A:H o CVE-2023-31436 ( 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 SP1 Affected o SUSE Linux Enterprise Live Patching 15-SP1 Products: o SUSE Linux Enterprise Server 15 SP1 o SUSE Linux Enterprise Server for SAP Applications 15 SP1 An update that solves four vulnerabilities can now be installed. Description: This update for the Linux Kernel 4.12.14-150100_197_131 fixes several issues. The following security issues were fixed: o CVE-2023-23455: Fixed a denial of service inside atm_tc_enqueue in net/ sched/sch_atm.c because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results) (bsc#1207189). o CVE-2023-31436: Fixed an out-of-bounds write in qfq_change_class() because lmax can exceed QFQ_MIN_LMAX (bsc#1210989). o CVE-2023-1390: Fixed remote DoS vulnerability in tipc_link_xmit() (bsc# 1210779). o CVE-2023-28466: Fixed race condition that could lead to use-after-free or NULL pointer dereference in do_tls_getsockopt in net/tls/tls_main.c (bsc# 1210452). 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-SP1 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2023-2679=1 Package List: o SUSE Linux Enterprise Live Patching 15-SP1 (ppc64le x86_64) kernel-livepatch-4_12_14-150100_197_131-default-6-150100.2.2 References: o https://www.suse.com/security/cve/CVE-2023-1390.html o https://www.suse.com/security/cve/CVE-2023-23455.html o https://www.suse.com/security/cve/CVE-2023-28466.html o https://www.suse.com/security/cve/CVE-2023-31436.html o https://bugzilla.suse.com/show_bug.cgiid=1207189 o https://bugzilla.suse.com/show_bug.cgiid=1210452 o https://bugzilla.suse.com/show_bug.cgiid=1210779 o https://bugzilla.suse.com/show_bug.cgiid=1210989 - --------------------------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/ iQIVAwUBZJzPHckNZI30y1K9AQi+BRAAmLU6P46p3dmk0jVUzhlKlWDvJ9aM9iIo m85st0MPvAxENpuaVBeaQbc1puNG4bB4WLhqjdvhK2EyEY6qmNg9Up19reoDDw15 oc6I8bTf8DnYHopMZ80IBxEFUsayoddPKHgdA+QsYMWz3t4xiBEf5VqaoeohP/58 yYmTEAxazcw71znFCwEeZu66o025eXmEVbB1EhMZr1/4QOKLXGonL/eNGELFnxig GiNg/5ISF2g3xmkURkucayxd1/afOymb6qwV89VsUnY9BIhlFW5e5xDJ02QSbO4G ABsJMvBQszPKypvuC42jYIs5utR/d1tM92xlf5NKxAamm6FFk6RlIfim/myOrWAD FHLTesoxU/hewCYsGZO7xgKRioL+1DsO6vLoAmuMQ1nyyvHFCe/D28+mTBHEfBGj sg4fMyGmKiizHd7pNH8vHqvmzYUK0JZGfyPr+9Z8BQYUFwPwdD+dPAgYVGI2RiVP yqn98a7IPirwLLu8VB7DV6I06Q5P3oXA3kE29GT6mf87m9UlFQvD5/tgNqJ9bhHl oecTQGjaPIu4OYTdu9IAWHQUZ+0lvqwOCQtt+kRWkccHsnIaCQe2XER9PUgKdS4W VFMhx/zGxoSYs7WRzurgFu05yo91TBu4dy8ohZSoUS0uhFcCsi/NiN02M+DW8VO7 rPqamv5Vr7g= =d26z -----END PGP SIGNATURE-----