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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1105 SUSE-SU-2019:0845-1 Security update for the Linux Kernel (Live Patch 8 for SLE 15) 3 April 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: linux kernel Publisher: SUSE Operating System: SUSE Impact/Access: Root Compromise -- Existing Account Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-9213 CVE-2019-8912 CVE-2019-7221 CVE-2019-6974 Reference: ESB-2019.1097 ESB-2019.1081 ESB-2019.1035 ESB-2019.1025.2 ESB-2019.1005 ESB-2019.1004 ESB-2019.0984 Original Bulletin: https://www.suse.com/support/update/announcement/2019/suse-su-20190845-1.html - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for the Linux Kernel (Live Patch 8 for SLE 15) ______________________________________________________________________________ Announcement ID: SUSE-SU-2019:0845-1 Rating: important References: #1124729 #1124734 #1126284 #1128378 Cross-References: CVE-2019-6974 CVE-2019-7221 CVE-2019-8912 CVE-2019-9213 Affected Products: SUSE Linux Enterprise Module for Live Patching 15 ______________________________________________________________________________ An update that fixes four vulnerabilities is now available. Description: This update for the Linux Kernel 4.12.14-25_28 fixes several issues. The following security issues were fixed: o CVE-2019-9213: Expand_downwards in mm/mmap.c lacked a check for the mmap minimum address, which made it easier for attackers to exploit kernel NULL pointer dereferences on non-SMAP platforms. This is related to a capability check for the wrong task (bsc#1128378). o CVE-2019-8912: af_alg_release() in crypto/af_alg.c neglected to set a NULL value for a certain structure member, which could have led to a use-after-free in sockfs_setattr (bsc#1126284). o CVE-2019-7221: Fixed a user-after-free vulnerability in the KVM hypervisor related to the emulation of a preemption timer, allowing an guest user/ process to crash the host kernel. (bsc#1124734). o CVE-2019-6974: kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandled reference counting because of a race condition, leading to a use-after-free (bsc#1124729). Patch Instructions: To install this SUSE Security 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 Module for Live Patching 15: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2019-844=1 SUSE-SLE-Module-Live-Patching-15-2019-845=1 Package List: o SUSE Linux Enterprise Module for Live Patching 15 (ppc64le x86_64): kernel-livepatch-4_12_14-25_25-default-3-2.1 kernel-livepatch-4_12_14-25_25-default-debuginfo-3-2.1 kernel-livepatch-4_12_14-25_28-default-2-2.1 kernel-livepatch-4_12_14-25_28-default-debuginfo-2-2.1 References: o https://www.suse.com/security/cve/CVE-2019-6974.html o https://www.suse.com/security/cve/CVE-2019-7221.html o https://www.suse.com/security/cve/CVE-2019-8912.html o https://www.suse.com/security/cve/CVE-2019-9213.html o https://bugzilla.suse.com/1124729 o https://bugzilla.suse.com/1124734 o https://bugzilla.suse.com/1126284 o https://bugzilla.suse.com/1128378 - --------------------------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: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXKPz8maOgq3Tt24GAQiKMw//b2M19fz/5Ao9rCVQHKxWaYR29rH4tpYY pRPAucuMq5UtmQgcaqFWZuy9pjhe+CmXraA1RSAPO26pmMJqyoEwlGzeFQl6ZW91 RjzD/tUeoVmp5FugBMx54Twy6RxN/guGGchsfuYeI2lVb4MKWKvTxX0gu1wJRMA+ Bn1wv7cOvhvmP8xHoD+OO3RUVm/NgjKgAv4H7tH3cjOqHlVtHfje/SXXV/k6XMT7 VMSxfBGbZu97LQPVtzvrhXkYDCrt24kecrGNRReRKHUnHgU2BsCx/q7keF6HvUfY MiYxDF/pBNuAYzTQzEnInoOKakqyfvNkzOpMSu4XP8lsGMPhQdbrmInhSrcpZy/5 vjoCq5Kzc3AruWXQbiR52F562srD7nvBgon7sblm89taP5iq0QqiMXs7x1rn0plG lgWXbtrk3Uua60q67jJ3/DK3oK66lBsFYoOKAINPQdQ4BSEP1htci+5Au+T9dtQK PH7yAJFZKnSWOJc20tB1h52RtrjxMb6Oj/zi9Z9iq4UqwTMmLmXxMNTprdLF1xSb uKDloQgFLLvHicMf63WDxJSfE6G6XMtoiYDdvogXg8ut3RP9bWnV+d3r6t8x1gZw xfFi761p1nwN2yNHluFQA7GET/Z+Oaaje1pa+D1lAjLIvM/GxqWBu5W3oU/4yaR7 Pusj0COVKfM= =CDJp -----END PGP SIGNATURE-----