openSUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: openSUSE-SU-2018:4304-1 Rating: important References: #1027519 #1078292 #1091107 #1094508 #1103275 #1103276 #1103279 #1105528 #1108940 #1114405 #1115040 #1115045 #1115047 Cross-References: CVE-2018-15468 CVE-2018-15469 CVE-2018-15470 CVE-2018-18883 CVE-2018-19961 CVE-2018-19962 CVE-2018-19965 CVE-2018-19966 CVE-2018-3646 Affected Products: openSUSE Leap 15.0 ______________________________________________________________________________ An update that solves 9 vulnerabilities and has four fixes is now available. Description: This update for xen fixes the following issues: Update to Xen 4.10.2 bug fix release (bsc#1027519). 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-2018-18883: Fixed an issue related to inproper restriction of nested VT-x, which allowed a guest to cause Xen to crash, resulting in a Denial of Service (DoS). (XSA-278) (bsc#1114405) - CVE-2018-15468: Fixed incorrect MSR_DEBUGCTL handling, which allowed guests to enable Branch Trace Store and may cause a Denial of Service (DoS) of the entire host. (XSA-269) (bsc#1103276) - CVE-2018-15469: Fixed use of v2 grant tables on ARM, which were not properly implemented and may cause a Denial of Service (DoS). (XSA-268) (bsc#1103275) - CVE-2018-15470: Fixed an issue in the logic in oxenstored for handling writes, which allowed a guest to write memory unbounded leading to system-wide Denial of Service (DoS). (XSA-272) (bsc#1103279) - CVE-2018-3646: Mitigations for VMM aspects of L1 Terminal Fault (XSA-273) (bsc#1091107) 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 a kernel oops related to fs/dcache.c called by d_materialise_unique() (bsc#1094508) This update was imported from the SUSE:SLE-15: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 15.0: zypper in -t patch openSUSE-2018-1624=1 Package List: - openSUSE Leap 15.0 (i586 x86_64): xen-debugsource-4.10.2_04-lp150.2.12.1 xen-devel-4.10.2_04-lp150.2.12.1 xen-libs-4.10.2_04-lp150.2.12.1 xen-libs-debuginfo-4.10.2_04-lp150.2.12.1 xen-tools-domU-4.10.2_04-lp150.2.12.1 xen-tools-domU-debuginfo-4.10.2_04-lp150.2.12.1 - openSUSE Leap 15.0 (x86_64): xen-4.10.2_04-lp150.2.12.1 xen-doc-html-4.10.2_04-lp150.2.12.1 xen-libs-32bit-4.10.2_04-lp150.2.12.1 xen-libs-32bit-debuginfo-4.10.2_04-lp150.2.12.1 xen-tools-4.10.2_04-lp150.2.12.1 xen-tools-debuginfo-4.10.2_04-lp150.2.12.1 References: https://www.suse.com/security/cve/CVE-2018-15468.html https://www.suse.com/security/cve/CVE-2018-15469.html https://www.suse.com/security/cve/CVE-2018-15470.html https://www.suse.com/security/cve/CVE-2018-18883.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://www.suse.com/security/cve/CVE-2018-3646.html https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1078292 https://bugzilla.suse.com/1091107 https://bugzilla.suse.com/1094508 https://bugzilla.suse.com/1103275 https://bugzilla.suse.com/1103276 https://bugzilla.suse.com/1103279 https://bugzilla.suse.com/1105528 https://bugzilla.suse.com/1108940 https://bugzilla.suse.com/1114405 https://bugzilla.suse.com/1115040 https://bugzilla.suse.com/1115045 https://bugzilla.suse.com/1115047 -- To unsubscribe, e-mail: opensuse-security-announce+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-security-announce+help@opensuse.org