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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0060 SUSE-SU-2019:0020-1: Security update for xen 7 January 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xen Publisher: SUSE Operating System: SUSE Impact/Access: Increased Privileges -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2018-19966 CVE-2018-19965 CVE-2018-19962 CVE-2018-19961 CVE-2018-19665 CVE-2018-18849 Reference: ESB-2019.0045 ESB-2019.0030 ESB-2018.3857 Original Bulletin: https://www.suse.com/support/update/announcement/2019/suse-su-20190020-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2019:0020-1 Rating: important References: #1027519 #1105528 #1108940 #1114423 #1115040 #1115045 #1115047 #1116380 #1117756 Cross-References: CVE-2018-18849 CVE-2018-19665 CVE-2018-19961 CVE-2018-19962 CVE-2018-19965 CVE-2018-19966 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 solves 6 vulnerabilities and has three fixes is now available. Description: This update for xen fixes the following issues: Security vulnerabilities fixed: - CVE-2018-19961, CVE-2018-19962: Fixed an issue related to insufficient TLB flushing with AMD IOMMUs, which potentially allowed a guest to escalate its privileges, may cause a Denial of Service (DoS) affecting the entire host, or may be able to access data it is not supposed to access. (XSA-275) (bsc#1115040) - CVE-2018-19965: Fixed an issue related to the INVPCID instruction in case non-canonical addresses are accessed, which may allow a guest to cause Xen to crash, resulting in a Denial of Service (DoS) affecting the entire host. (XSA-279) (bsc#1115045) - CVE-2018-19966: Fixed an issue related to a previous fix for XSA-240, which conflicted with shadow paging and allowed a guest to cause Xen to crash, resulting in a Denial of Service (DoS). (XSA-280) (bsc#1115047) - CVE-2018-19665: Fixed an integer overflow resulting in memory corruption in various Bluetooth functions, allowing this to crash qemu process resulting in Denial of Service (DoS). (bsc#1117756). - CVE-2018-18849: Fixed an out of bounds memory access in the LSI53C895A SCSI host bus adapter emulation, which allowed a user and/or process to crash the qemu process resulting in a Denial of Service (DoS). (bsc#1114423) Other bugs fixed: - Fixed an issue related to a domU hang on SLE12-SP3 HV (bsc#1108940) - Fixed an issue with xpti=no-dom0 not working as expected (bsc#1105528) - Fixed an issue with live migrations, which used to fail when spectre is enabled on xen boot cmdline (bsc#1116380) - Upstream bug fixes (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: - SUSE OpenStack Cloud 7: zypper in -t patch SUSE-OpenStack-Cloud-7-2019-20=1 - SUSE Linux Enterprise Server for SAP 12-SP2: zypper in -t patch SUSE-SLE-SAP-12-SP2-2019-20=1 - SUSE Linux Enterprise Server 12-SP2-LTSS: zypper in -t patch SUSE-SLE-SERVER-12-SP2-2019-20=1 - SUSE Linux Enterprise Server 12-SP2-BCL: zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2019-20=1 - SUSE Enterprise Storage 4: zypper in -t patch SUSE-Storage-4-2019-20=1 Package List: - SUSE OpenStack Cloud 7 (x86_64): xen-4.7.6_05-43.45.1 xen-debugsource-4.7.6_05-43.45.1 xen-doc-html-4.7.6_05-43.45.1 xen-libs-32bit-4.7.6_05-43.45.1 xen-libs-4.7.6_05-43.45.1 xen-libs-debuginfo-32bit-4.7.6_05-43.45.1 xen-libs-debuginfo-4.7.6_05-43.45.1 xen-tools-4.7.6_05-43.45.1 xen-tools-debuginfo-4.7.6_05-43.45.1 xen-tools-domU-4.7.6_05-43.45.1 xen-tools-domU-debuginfo-4.7.6_05-43.45.1 - SUSE Linux Enterprise Server for SAP 12-SP2 (x86_64): xen-4.7.6_05-43.45.1 xen-debugsource-4.7.6_05-43.45.1 xen-doc-html-4.7.6_05-43.45.1 xen-libs-32bit-4.7.6_05-43.45.1 xen-libs-4.7.6_05-43.45.1 xen-libs-debuginfo-32bit-4.7.6_05-43.45.1 xen-libs-debuginfo-4.7.6_05-43.45.1 xen-tools-4.7.6_05-43.45.1 xen-tools-debuginfo-4.7.6_05-43.45.1 xen-tools-domU-4.7.6_05-43.45.1 xen-tools-domU-debuginfo-4.7.6_05-43.45.1 - SUSE Linux Enterprise Server 12-SP2-LTSS (x86_64): xen-4.7.6_05-43.45.1 xen-debugsource-4.7.6_05-43.45.1 xen-doc-html-4.7.6_05-43.45.1 xen-libs-32bit-4.7.6_05-43.45.1 xen-libs-4.7.6_05-43.45.1 xen-libs-debuginfo-32bit-4.7.6_05-43.45.1 xen-libs-debuginfo-4.7.6_05-43.45.1 xen-tools-4.7.6_05-43.45.1 xen-tools-debuginfo-4.7.6_05-43.45.1 xen-tools-domU-4.7.6_05-43.45.1 xen-tools-domU-debuginfo-4.7.6_05-43.45.1 - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64): xen-4.7.6_05-43.45.1 xen-debugsource-4.7.6_05-43.45.1 xen-doc-html-4.7.6_05-43.45.1 xen-libs-32bit-4.7.6_05-43.45.1 xen-libs-4.7.6_05-43.45.1 xen-libs-debuginfo-32bit-4.7.6_05-43.45.1 xen-libs-debuginfo-4.7.6_05-43.45.1 xen-tools-4.7.6_05-43.45.1 xen-tools-debuginfo-4.7.6_05-43.45.1 xen-tools-domU-4.7.6_05-43.45.1 xen-tools-domU-debuginfo-4.7.6_05-43.45.1 - SUSE Enterprise Storage 4 (x86_64): xen-4.7.6_05-43.45.1 xen-debugsource-4.7.6_05-43.45.1 xen-doc-html-4.7.6_05-43.45.1 xen-libs-32bit-4.7.6_05-43.45.1 xen-libs-4.7.6_05-43.45.1 xen-libs-debuginfo-32bit-4.7.6_05-43.45.1 xen-libs-debuginfo-4.7.6_05-43.45.1 xen-tools-4.7.6_05-43.45.1 xen-tools-debuginfo-4.7.6_05-43.45.1 xen-tools-domU-4.7.6_05-43.45.1 xen-tools-domU-debuginfo-4.7.6_05-43.45.1 References: https://www.suse.com/security/cve/CVE-2018-18849.html https://www.suse.com/security/cve/CVE-2018-19665.html https://www.suse.com/security/cve/CVE-2018-19961.html https://www.suse.com/security/cve/CVE-2018-19962.html https://www.suse.com/security/cve/CVE-2018-19965.html https://www.suse.com/security/cve/CVE-2018-19966.html https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1105528 https://bugzilla.suse.com/1108940 https://bugzilla.suse.com/1114423 https://bugzilla.suse.com/1115040 https://bugzilla.suse.com/1115045 https://bugzilla.suse.com/1115047 https://bugzilla.suse.com/1116380 https://bugzilla.suse.com/1117756 - --------------------------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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