SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2018:1216-1 Rating: important References: #1027519 #1086039 #1089152 #1089635 #1090820 #1090822 #1090823 Cross-References: CVE-2018-10471 CVE-2018-10472 CVE-2018-8897 Affected Products: SUSE OpenStack Cloud 7 SUSE Linux Enterprise Server for SAP 12-SP2 SUSE Linux Enterprise Server 12-SP2-LTSS SUSE Enterprise Storage 4 ______________________________________________________________________________ An update that solves three vulnerabilities and has four fixes is now available. Description: This update for xen fixes several issues. These security issues were fixed: - CVE-2018-8897: Prevent mishandling of debug exceptions on x86 (XSA-260, bsc#1090820) - Handle HPET timers in IO-APIC mode correctly to prevent malicious or buggy HVM guests from causing a hypervisor crash or potentially privilege escalation/information leaks (XSA-261, bsc#1090822) - Prevent unbounded loop, induced by qemu allowing an attacker to permanently keep a physical CPU core busy (XSA-262, bsc#1090823) - CVE-2018-10472: x86 HVM guest OS users (in certain configurations) were able to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot (bsc#1089152). - CVE-2018-10471: x86 PV guest OS users were able to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754 (bsc#1089635). These non-security issues were fixed: - bsc#1086039: Ensure that Dom0 does represent DomU cpu flags correctly - bsc#1027519: Fixed shadow mode guests 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-7-2018-841=1 - SUSE Linux Enterprise Server for SAP 12-SP2: zypper in -t patch SUSE-SLE-SAP-12-SP2-2018-841=1 - SUSE Linux Enterprise Server 12-SP2-LTSS: zypper in -t patch SUSE-SLE-SERVER-12-SP2-2018-841=1 - SUSE Enterprise Storage 4: zypper in -t patch SUSE-Storage-4-2018-841=1 Package List: - SUSE OpenStack Cloud 7 (x86_64): xen-4.7.5_02-43.30.1 xen-debugsource-4.7.5_02-43.30.1 xen-doc-html-4.7.5_02-43.30.1 xen-libs-32bit-4.7.5_02-43.30.1 xen-libs-4.7.5_02-43.30.1 xen-libs-debuginfo-32bit-4.7.5_02-43.30.1 xen-libs-debuginfo-4.7.5_02-43.30.1 xen-tools-4.7.5_02-43.30.1 xen-tools-debuginfo-4.7.5_02-43.30.1 xen-tools-domU-4.7.5_02-43.30.1 xen-tools-domU-debuginfo-4.7.5_02-43.30.1 - SUSE Linux Enterprise Server for SAP 12-SP2 (x86_64): xen-4.7.5_02-43.30.1 xen-debugsource-4.7.5_02-43.30.1 xen-doc-html-4.7.5_02-43.30.1 xen-libs-32bit-4.7.5_02-43.30.1 xen-libs-4.7.5_02-43.30.1 xen-libs-debuginfo-32bit-4.7.5_02-43.30.1 xen-libs-debuginfo-4.7.5_02-43.30.1 xen-tools-4.7.5_02-43.30.1 xen-tools-debuginfo-4.7.5_02-43.30.1 xen-tools-domU-4.7.5_02-43.30.1 xen-tools-domU-debuginfo-4.7.5_02-43.30.1 - SUSE Linux Enterprise Server 12-SP2-LTSS (x86_64): xen-4.7.5_02-43.30.1 xen-debugsource-4.7.5_02-43.30.1 xen-doc-html-4.7.5_02-43.30.1 xen-libs-32bit-4.7.5_02-43.30.1 xen-libs-4.7.5_02-43.30.1 xen-libs-debuginfo-32bit-4.7.5_02-43.30.1 xen-libs-debuginfo-4.7.5_02-43.30.1 xen-tools-4.7.5_02-43.30.1 xen-tools-debuginfo-4.7.5_02-43.30.1 xen-tools-domU-4.7.5_02-43.30.1 xen-tools-domU-debuginfo-4.7.5_02-43.30.1 - SUSE Enterprise Storage 4 (x86_64): xen-4.7.5_02-43.30.1 xen-debugsource-4.7.5_02-43.30.1 xen-doc-html-4.7.5_02-43.30.1 xen-libs-32bit-4.7.5_02-43.30.1 xen-libs-4.7.5_02-43.30.1 xen-libs-debuginfo-32bit-4.7.5_02-43.30.1 xen-libs-debuginfo-4.7.5_02-43.30.1 xen-tools-4.7.5_02-43.30.1 xen-tools-debuginfo-4.7.5_02-43.30.1 xen-tools-domU-4.7.5_02-43.30.1 xen-tools-domU-debuginfo-4.7.5_02-43.30.1 References: https://www.suse.com/security/cve/CVE-2018-10471.html https://www.suse.com/security/cve/CVE-2018-10472.html https://www.suse.com/security/cve/CVE-2018-8897.html https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1086039 https://bugzilla.suse.com/1089152 https://bugzilla.suse.com/1089635 https://bugzilla.suse.com/1090820 https://bugzilla.suse.com/1090822 https://bugzilla.suse.com/1090823 -- To unsubscribe, e-mail: opensuse-security-announce+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-security-announce+help@opensuse.org