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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.1116 SUSE Security Update: Security update for xen 12 April 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xen Publisher: SUSE Operating System: SUSE Impact/Access: Access Privileged Data -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2018-7541 CVE-2018-7540 CVE-2017-5754 CVE-2017-5753 CVE-2017-5715 Reference: ASB-2018.0068 ASB-2018.0033 ESB-2018.1076 ESB-2018.1053 ESB-2018.1028 Original Bulletin: https://www.suse.com/support/update/announcement/2018/suse-su-20180909-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2018:0909-1 Rating: important References: #1027519 #1072834 #1074562 #1080635 #1080662 #1087251 Cross-References: CVE-2017-5715 CVE-2017-5753 CVE-2017-5754 CVE-2018-7540 CVE-2018-7541 Affected Products: SUSE Linux Enterprise Software Development Kit 12-SP2 SUSE Linux Enterprise Server 12-SP2 SUSE Linux Enterprise Desktop 12-SP2 ______________________________________________________________________________ An update that solves 5 vulnerabilities and has one errata is now available. Description: This update for xen fixes the following issues: Update to Xen 4.7.5 bug fix only release (bsc#1027519) Security issues fixed: - CVE-2018-7540: Fixed DoS via non-preemptable L3/L4 pagetable freeing (XSA-252) (bsc#1080635) - CVE-2018-7541: A grant table v2 -> v1 transition may crash Xen (XSA-255) (bsc#1080662) - CVE-2017-5753,CVE-2017-5715,CVE-2017-5754 Fixed information leaks via side effects of speculative execution (XSA-254). Includes Spectre v2 mitigation. (bsc#1074562) - Preserve xen-syms from xen-dbg.gz to allow processing vmcores with crash(1) (bsc#1087251) - Xen HVM: Fixed unchecked MSR access error (bsc#1072834) - Add script, udev rule and systemd service to watch for vcpu online/offline events in a HVM domU They are triggered via xl vcpu-set domU N (fate#324965) - Make sure tools and tools-domU require libs from the very same build 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: - SUSE Linux Enterprise Software Development Kit 12-SP2: zypper in -t patch SUSE-SLE-SDK-12-SP2-2018-612=1 - SUSE Linux Enterprise Server 12-SP2: zypper in -t patch SUSE-SLE-SERVER-12-SP2-2018-612=1 - SUSE Linux Enterprise Desktop 12-SP2: zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2018-612=1 Package List: - SUSE Linux Enterprise Software Development Kit 12-SP2 (aarch64 x86_64): xen-debugsource-4.7.5_02-43.27.1 xen-devel-4.7.5_02-43.27.1 - SUSE Linux Enterprise Server 12-SP2 (x86_64): xen-4.7.5_02-43.27.1 xen-debugsource-4.7.5_02-43.27.1 xen-doc-html-4.7.5_02-43.27.1 xen-libs-32bit-4.7.5_02-43.27.1 xen-libs-4.7.5_02-43.27.1 xen-libs-debuginfo-32bit-4.7.5_02-43.27.1 xen-libs-debuginfo-4.7.5_02-43.27.1 xen-tools-4.7.5_02-43.27.1 xen-tools-debuginfo-4.7.5_02-43.27.1 xen-tools-domU-4.7.5_02-43.27.1 xen-tools-domU-debuginfo-4.7.5_02-43.27.1 - SUSE Linux Enterprise Desktop 12-SP2 (x86_64): xen-4.7.5_02-43.27.1 xen-debugsource-4.7.5_02-43.27.1 xen-libs-32bit-4.7.5_02-43.27.1 xen-libs-4.7.5_02-43.27.1 xen-libs-debuginfo-32bit-4.7.5_02-43.27.1 xen-libs-debuginfo-4.7.5_02-43.27.1 References: https://www.suse.com/security/cve/CVE-2017-5715.html https://www.suse.com/security/cve/CVE-2017-5753.html https://www.suse.com/security/cve/CVE-2017-5754.html https://www.suse.com/security/cve/CVE-2018-7540.html https://www.suse.com/security/cve/CVE-2018-7541.html https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1072834 https://bugzilla.suse.com/1074562 https://bugzilla.suse.com/1080635 https://bugzilla.suse.com/1080662 https://bugzilla.suse.com/1087251 - --------------------------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). 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