Security update for xen SUSE Patch security@suse.de SUSE Security Team openSUSE-SU-2018:4111-1 Final 1 1 2018-12-12T20:58:08Z current 2018-12-12T20:58:08Z 2018-12-12T20:58:08Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for xen This update for xen fixes the following issues: Security issues fixed: - CVE-2018-18849: Fixed an out of bounds memory access issue was found in the LSI53C895A SCSI Host Bus Adapter emulation while writing a message in lsi_do_msgin (bsc#1114423). - CVE-2018-18883: Fixed a NULL pointer dereference that could have been triggered by nested VT-x that where not properly restricted (XSA-278)(bsc#1114405). - CVE-2018-19965: Fixed denial of service issue from attempting to use INVPCID with a non-canonical addresses (XSA-279)(bsc#1115045). - CVE-2018-19966: Fixed issue introduced by XSA-240 that could have caused conflicts with shadow paging (XSA-280)(bsc#1115047). - CVE-2018-19961 CVE-2018-19962: Fixed insufficient TLB flushing / improper large page mappings with AMD IOMMUs (XSA-275)(bsc#1115040). Non-security issues fixed: - Added upstream bug fixes (bsc#1027519). This update was imported from the SUSE:SLE-12-SP3:Update update project. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://lists.opensuse.org/opensuse-security-announce/2018-12/msg00028.html E-Mail link for openSUSE-SU-2018:4111-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings openSUSE Leap 42.3 xen-4.9.3_03-34.1 xen-devel-4.9.3_03-34.1 xen-doc-html-4.9.3_03-34.1 xen-libs-4.9.3_03-34.1 xen-tools-4.9.3_03-34.1 xen-tools-domU-4.9.3_03-34.1 xen-4.9.3_03-34.1 as a component of openSUSE Leap 42.3 xen-devel-4.9.3_03-34.1 as a component of openSUSE Leap 42.3 xen-doc-html-4.9.3_03-34.1 as a component of openSUSE Leap 42.3 xen-libs-4.9.3_03-34.1 as a component of openSUSE Leap 42.3 xen-tools-4.9.3_03-34.1 as a component of openSUSE Leap 42.3 xen-tools-domU-4.9.3_03-34.1 as a component of openSUSE Leap 42.3 In Qemu 3.0.0, lsi_do_msgin in hw/scsi/lsi53c895a.c allows out-of-bounds access by triggering an invalid msg_len value. CVE-2018-18849 openSUSE Leap 42.3:xen-4.9.3_03-34.1 openSUSE Leap 42.3:xen-devel-4.9.3_03-34.1 openSUSE Leap 42.3:xen-doc-html-4.9.3_03-34.1 openSUSE Leap 42.3:xen-libs-4.9.3_03-34.1 openSUSE Leap 42.3:xen-tools-4.9.3_03-34.1 openSUSE Leap 42.3:xen-tools-domU-4.9.3_03-34.1 moderate Please Install the update. https://lists.opensuse.org/opensuse-security-announce/2018-12/msg00028.html https://www.suse.com/security/cve/CVE-2018-18849.html CVE-2018-18849 https://bugzilla.suse.com/1114422 SUSE Bug 1114422 https://bugzilla.suse.com/1114423 SUSE Bug 1114423 https://bugzilla.suse.com/1178658 SUSE Bug 1178658 An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted. CVE-2018-18883 openSUSE Leap 42.3:xen-4.9.3_03-34.1 openSUSE Leap 42.3:xen-devel-4.9.3_03-34.1 openSUSE Leap 42.3:xen-doc-html-4.9.3_03-34.1 openSUSE Leap 42.3:xen-libs-4.9.3_03-34.1 openSUSE Leap 42.3:xen-tools-4.9.3_03-34.1 openSUSE Leap 42.3:xen-tools-domU-4.9.3_03-34.1 moderate Please Install the update. https://lists.opensuse.org/opensuse-security-announce/2018-12/msg00028.html https://www.suse.com/security/cve/CVE-2018-18883.html CVE-2018-18883 https://bugzilla.suse.com/1114405 SUSE Bug 1114405 An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU mapping changes. CVE-2018-19961 openSUSE Leap 42.3:xen-4.9.3_03-34.1 openSUSE Leap 42.3:xen-devel-4.9.3_03-34.1 openSUSE Leap 42.3:xen-doc-html-4.9.3_03-34.1 openSUSE Leap 42.3:xen-libs-4.9.3_03-34.1 openSUSE Leap 42.3:xen-tools-4.9.3_03-34.1 openSUSE Leap 42.3:xen-tools-domU-4.9.3_03-34.1 important Please Install the update. https://lists.opensuse.org/opensuse-security-announce/2018-12/msg00028.html https://www.suse.com/security/cve/CVE-2018-19961.html CVE-2018-19961 https://bugzilla.suse.com/1115040 SUSE Bug 1115040 https://bugzilla.suse.com/1178658 SUSE Bug 1178658 An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones. CVE-2018-19962 openSUSE Leap 42.3:xen-4.9.3_03-34.1 openSUSE Leap 42.3:xen-devel-4.9.3_03-34.1 openSUSE Leap 42.3:xen-doc-html-4.9.3_03-34.1 openSUSE Leap 42.3:xen-libs-4.9.3_03-34.1 openSUSE Leap 42.3:xen-tools-4.9.3_03-34.1 openSUSE Leap 42.3:xen-tools-domU-4.9.3_03-34.1 important Please Install the update. https://lists.opensuse.org/opensuse-security-announce/2018-12/msg00028.html https://www.suse.com/security/cve/CVE-2018-19962.html CVE-2018-19962 https://bugzilla.suse.com/1115040 SUSE Bug 1115040 https://bugzilla.suse.com/1178658 SUSE Bug 1178658 An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 (aka Meltdown) mitigation. CVE-2018-19965 openSUSE Leap 42.3:xen-4.9.3_03-34.1 openSUSE Leap 42.3:xen-devel-4.9.3_03-34.1 openSUSE Leap 42.3:xen-doc-html-4.9.3_03-34.1 openSUSE Leap 42.3:xen-libs-4.9.3_03-34.1 openSUSE Leap 42.3:xen-tools-4.9.3_03-34.1 openSUSE Leap 42.3:xen-tools-domU-4.9.3_03-34.1 moderate Please Install the update. https://lists.opensuse.org/opensuse-security-announce/2018-12/msg00028.html https://www.suse.com/security/cve/CVE-2018-19965.html CVE-2018-19965 https://bugzilla.suse.com/1115045 SUSE Bug 1115045 An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorrect fix for CVE-2017-15595. CVE-2018-19966 openSUSE Leap 42.3:xen-4.9.3_03-34.1 openSUSE Leap 42.3:xen-devel-4.9.3_03-34.1 openSUSE Leap 42.3:xen-doc-html-4.9.3_03-34.1 openSUSE Leap 42.3:xen-libs-4.9.3_03-34.1 openSUSE Leap 42.3:xen-tools-4.9.3_03-34.1 openSUSE Leap 42.3:xen-tools-domU-4.9.3_03-34.1 moderate Please Install the update. https://lists.opensuse.org/opensuse-security-announce/2018-12/msg00028.html https://www.suse.com/security/cve/CVE-2018-19966.html CVE-2018-19966 https://bugzilla.suse.com/1115047 SUSE Bug 1115047 https://bugzilla.suse.com/1178658 SUSE Bug 1178658