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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1919 SUSE-SU-2019:1371-1 Security update for xen 29 May 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xen Publisher: SUSE Operating System: SUSE Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Access Privileged Data -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-11091 CVE-2018-20815 CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 Reference: ESB-2019.1899 ESB-2019.1879 ESB-2019.1816.2 ESB-2019.1777 ESB-2019.1774 Original Bulletin: https://www.suse.com/support/update/announcement/2019/suse-su-20191371-1.html - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2019:1371-1 Rating: important References: #1027519 #1111331 #1116380 #1130680 #1133818 Cross-References: CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2018-20815 CVE-2019-11091 Affected Products: SUSE OpenStack Cloud 7 SUSE Linux Enterprise Server for SAP 12-SP2 SUSE Linux Enterprise Server 12-SP2-LTSS SUSE Linux Enterprise Server 12-SP2-BCL SUSE Enterprise Storage 4 ______________________________________________________________________________ An update that fixes 5 vulnerabilities is now available. Description: This update for xen fixes the following issues: Four new speculative execution information leak issues have been identified in Intel CPUs. (bsc#1111331) o CVE-2018-12126: Microarchitectural Store Buffer Data Sampling (MSBDS) o CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling (MFBDS) o CVE-2018-12130: Microarchitectural Load Port Data Sampling (MLPDS) o CVE-2019-11091: Microarchitectural Data Sampling Uncacheable Memory (MDSUM) These updates contain the XEN Hypervisor adjustments, that additionally also use CPU Microcode updates. The mitigation can be controlled via the "mds" commandline option, see the documentation. For more information on this set of vulnerabilities, check out https:// www.suse.com/support/kb/doc/id=7023736 Other fixes: o CVE-2018-20815: Fixed a heap buffer overflow while loading device tree blob (bsc#1130680). o Fixed an issue with live migration when spectre is enabled on xen boot cmdline (bsc#1116380). o Fixed an issue with live migration (bsc#1133818). o Added upstream bug fix (bsc#1027519). 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 OpenStack Cloud 7: zypper in -t patch SUSE-OpenStack-Cloud-7-2019-1371=1 o SUSE Linux Enterprise Server for SAP 12-SP2: zypper in -t patch SUSE-SLE-SAP-12-SP2-2019-1371=1 o SUSE Linux Enterprise Server 12-SP2-LTSS: zypper in -t patch SUSE-SLE-SERVER-12-SP2-2019-1371=1 o SUSE Linux Enterprise Server 12-SP2-BCL: zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2019-1371=1 o SUSE Enterprise Storage 4: zypper in -t patch SUSE-Storage-4-2019-1371=1 Package List: o SUSE OpenStack Cloud 7 (x86_64): xen-4.7.6_06-43.51.1 xen-debugsource-4.7.6_06-43.51.1 xen-doc-html-4.7.6_06-43.51.1 xen-libs-32bit-4.7.6_06-43.51.1 xen-libs-4.7.6_06-43.51.1 xen-libs-debuginfo-32bit-4.7.6_06-43.51.1 xen-libs-debuginfo-4.7.6_06-43.51.1 xen-tools-4.7.6_06-43.51.1 xen-tools-debuginfo-4.7.6_06-43.51.1 xen-tools-domU-4.7.6_06-43.51.1 xen-tools-domU-debuginfo-4.7.6_06-43.51.1 o SUSE Linux Enterprise Server for SAP 12-SP2 (x86_64): xen-4.7.6_06-43.51.1 xen-debugsource-4.7.6_06-43.51.1 xen-doc-html-4.7.6_06-43.51.1 xen-libs-32bit-4.7.6_06-43.51.1 xen-libs-4.7.6_06-43.51.1 xen-libs-debuginfo-32bit-4.7.6_06-43.51.1 xen-libs-debuginfo-4.7.6_06-43.51.1 xen-tools-4.7.6_06-43.51.1 xen-tools-debuginfo-4.7.6_06-43.51.1 xen-tools-domU-4.7.6_06-43.51.1 xen-tools-domU-debuginfo-4.7.6_06-43.51.1 o SUSE Linux Enterprise Server 12-SP2-LTSS (x86_64): xen-4.7.6_06-43.51.1 xen-debugsource-4.7.6_06-43.51.1 xen-doc-html-4.7.6_06-43.51.1 xen-libs-32bit-4.7.6_06-43.51.1 xen-libs-4.7.6_06-43.51.1 xen-libs-debuginfo-32bit-4.7.6_06-43.51.1 xen-libs-debuginfo-4.7.6_06-43.51.1 xen-tools-4.7.6_06-43.51.1 xen-tools-debuginfo-4.7.6_06-43.51.1 xen-tools-domU-4.7.6_06-43.51.1 xen-tools-domU-debuginfo-4.7.6_06-43.51.1 o SUSE Linux Enterprise Server 12-SP2-BCL (x86_64): xen-4.7.6_06-43.51.1 xen-debugsource-4.7.6_06-43.51.1 xen-doc-html-4.7.6_06-43.51.1 xen-libs-32bit-4.7.6_06-43.51.1 xen-libs-4.7.6_06-43.51.1 xen-libs-debuginfo-32bit-4.7.6_06-43.51.1 xen-libs-debuginfo-4.7.6_06-43.51.1 xen-tools-4.7.6_06-43.51.1 xen-tools-debuginfo-4.7.6_06-43.51.1 xen-tools-domU-4.7.6_06-43.51.1 xen-tools-domU-debuginfo-4.7.6_06-43.51.1 o SUSE Enterprise Storage 4 (x86_64): xen-4.7.6_06-43.51.1 xen-debugsource-4.7.6_06-43.51.1 xen-doc-html-4.7.6_06-43.51.1 xen-libs-32bit-4.7.6_06-43.51.1 xen-libs-4.7.6_06-43.51.1 xen-libs-debuginfo-32bit-4.7.6_06-43.51.1 xen-libs-debuginfo-4.7.6_06-43.51.1 xen-tools-4.7.6_06-43.51.1 xen-tools-debuginfo-4.7.6_06-43.51.1 xen-tools-domU-4.7.6_06-43.51.1 xen-tools-domU-debuginfo-4.7.6_06-43.51.1 References: o https://www.suse.com/security/cve/CVE-2018-12126.html o https://www.suse.com/security/cve/CVE-2018-12127.html o https://www.suse.com/security/cve/CVE-2018-12130.html o https://www.suse.com/security/cve/CVE-2018-20815.html o https://www.suse.com/security/cve/CVE-2019-11091.html o https://bugzilla.suse.com/1027519 o https://bugzilla.suse.com/1111331 o https://bugzilla.suse.com/1116380 o https://bugzilla.suse.com/1130680 o https://bugzilla.suse.com/1133818 - --------------------------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). 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