openSUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: openSUSE-SU-2019:1419-1 Rating: important References: #1027519 #1111331 #1120095 #1130680 Cross-References: CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2018-20815 CVE-2019-11091 Affected Products: openSUSE Leap 42.3 ______________________________________________________________________________ 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) - CVE-2018-12126: Microarchitectural Store Buffer Data Sampling (MSBDS) - CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling (MFBDS) - CVE-2018-12130: Microarchitectural Load Port Data Samling (MLPDS) - CVE-2019-11091: Microarchitectural Data Sampling Uncacheable Memory (MDSUM) These updates contain the XEN Hypervisor adjustments, that additionaly 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 Security issue fixed: - CVE-2018-20815: Fixed a heap buffer overflow while loading device tree blob (bsc#1130680) Other fixes: - Added code to change LIBXL_HOTPLUG_TIMEOUT at runtime. The included README has details about the impact of this change (bsc#1120095) This update was imported from the SUSE:SLE-12-SP3:Update update project. Patch Instructions: To install this openSUSE 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: - openSUSE Leap 42.3: zypper in -t patch openSUSE-2019-1419=1 Package List: - openSUSE Leap 42.3 (i586 x86_64): xen-debugsource-4.9.4_04-40.1 xen-devel-4.9.4_04-40.1 xen-libs-4.9.4_04-40.1 xen-libs-debuginfo-4.9.4_04-40.1 xen-tools-domU-4.9.4_04-40.1 xen-tools-domU-debuginfo-4.9.4_04-40.1 - openSUSE Leap 42.3 (x86_64): xen-4.9.4_04-40.1 xen-doc-html-4.9.4_04-40.1 xen-libs-32bit-4.9.4_04-40.1 xen-libs-debuginfo-32bit-4.9.4_04-40.1 xen-tools-4.9.4_04-40.1 xen-tools-debuginfo-4.9.4_04-40.1 References: https://www.suse.com/security/cve/CVE-2018-12126.html https://www.suse.com/security/cve/CVE-2018-12127.html https://www.suse.com/security/cve/CVE-2018-12130.html https://www.suse.com/security/cve/CVE-2018-20815.html https://www.suse.com/security/cve/CVE-2019-11091.html https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1111331 https://bugzilla.suse.com/1120095 https://bugzilla.suse.com/1130680 -- To unsubscribe, e-mail: opensuse-security-announce+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-security-announce+help@opensuse.org