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SUSE: 2017:1812-1 Critical: xen DoS and Privilege Escalation Fix

An update that solves 17 vulnerabilities and has one errata An update that solves 17 vulnerabilities and has one errata An update that solves 17 vulnerabilities and has one errata is now available. is now available.. SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2017:1812-1 Rating: important References: #1014136 #1026236 #1027519 #1031460 #1034845 #1036470 #1037243 #1042160 #1042863 #1042882 #1042893 #1042915 #1042923 #1042924 #1042931 #1042938 #1043074 #1043297 Cross-References: CVE-2017-10911 CVE-2017-10912 CVE-2017-10913 CVE-2017-10914 CVE-2017-10915 CVE-2017-10916 CVE-2017-10917 CVE-2017-10918 CVE-2017-10920 CVE-2017-10921 CVE-2017-10922 CVE-2017-8112 CVE-2017-8309 CVE-2017-8905 CVE-2017-9330 CVE-2017-9374 CVE-2017-9503 Affected Products: SUSE OpenStack Cloud 6 SUSE Linux Enterprise Server for SAP 12-SP1 SUSE Linux Enterprise Server 12-SP1-LTSS ______________________________________________________________________________ An update that solves 17 vulnerabilities and has one errata is now available. Description: This update for xen fixes several issues. These security issues were fixed: - CVE-2017-10911: blkif responses leaked backend stack data, which allowed unprivileged guest to obtain sensitive information from the host or other guests (XSA-216, bsc#1042863) - CVE-2017-10912: Page transfer might have allowed PV guest to elevate privilege (XSA-217, bsc#1042882) - CVE-2017-10913, CVE-2017-10914: Races in the grant table unmap code allowed for informations leaks and potentially privilege escalation (XSA-218, bsc#1042893) - CVE-2017-10915: Insufficient reference counts during shadow emulation allowed a malicious pair of guest to elevate their privileges to the privileges that XEN runs under (XSA-219, bsc#1042915) - CVE-2017-10917: Missing NULL pointer check in event channel poll allows guests to DoS the host (XSA-221, bsc#1042924) - CVE-2017-10918: Stale P2M mappings due to insufficient error checking allowed malicious guest to leak information or elevate privileges (XSA-222, bsc#1042931) - CVE-2017-10922, CVE-2017-10921, CVE-2017-10920: Grant table operations mishandled reference counts allowing malicious guests to escape (XSA-224, bsc#1042938) - CVE-2017-10916: PKRU and BND* leakage between vCPU-s might have leaked information to other guests (XSA-220, bsc#1042923) - CVE-2017-9330: USB OHCI Emulation in qemu allowed local guest OS users to cause a denial of service (infinite loop) by leveraging an incorrect return value (bsc#1042160) - CVE-2017-8309: Memory leak in the audio/audio.c allowed remote attackers to cause a denial of service (memory consumption) by repeatedly starting and stopping audio capture (bsc#1037243) - CVE-2017-8112: hw/scsi/vmw_pvscsi.c allowed local guest OS privileged users to cause a denial of service (infinite loop and CPU consumption) via the message ring page count (bsc#1036470) - CVE-2017-8905: Xen a failsafe callback, which might have allowed PV guest OS users to execute arbitrary code on the host OS (XSA-215, bsc#1034845). - CVE-2017-9503: The MegaRAID SAS 8708EM2 Host Bus Adapter emulation support was vulnerable to a null pointer dereference issue which allowed a privileged user inside guest to crash the Qemu process on the host resulting in DoS (bsc#1043297) - CVE-2017-9374: Missing free of 's-> ipacket', causes a host memory leak, allowing for DoS (bsc#1043074) These non-security issues were fixed: - bsc#1031460: Fixed DomU Live Migration - bsc#1014136: Fixed kdump SLES12-SP2 - bsc#1026236: Equalized paravirtualized vs. fullyvirtualized migration speed Patch Instructions: To install this SUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: - SUSE OpenStack Cloud 6: zypper in -t patch SUSE-OpenStack-Cloud-6-2017-1121=1 - SUSE Linux Enterprise Server for SAP 12-SP1: zypper in -t patch SUSE-SLE-SAP-12-SP1-2017-1121=1 - SUSE Linux Enterprise Server 12-SP1-LTSS: zypper in -t patch SUSE-SLE-SERVER-12-SP1-2017-1121=1 To bring your system up-to-date, use "zypper patch". Package List: - SUSE OpenStack Cloud 6 (x86_64): xen-4.5.5_12-22.18.1 xen-debugsource-4.5.5_12-22.18.1 xen-doc-html-4.5.5_12-22.18.1 xen-kmp-default-4.5.5_12_k3.12.74_60.64.45-22.18.1 xen-kmp-default-debuginfo-4.5.5_12_k3.12.74_60.64.45-22.18.1 xen-libs-32bit-4.5.5_12-22.18.1 xen-libs-4.5.5_12-22.18.1 xen-libs-debuginfo-32bit-4.5.5_12-22.18.1 xen-libs-debuginfo-4.5.5_12-22.18.1 xen-tools-4.5.5_12-22.18.1 xen-tools-debuginfo-4.5.5_12-22.18.1 xen-tools-domU-4.5.5_12-22.18.1 xen-tools-domU-debuginfo-4.5.5_12-22.18.1 - SUSE Linux Enterprise Server for SAP 12-SP1 (x86_64): xen-4.5.5_12-22.18.1 xen-debugsource-4.5.5_12-22.18.1 xen-doc-html-4.5.5_12-22.18.1 xen-kmp-default-4.5.5_12_k3.12.74_60.64.45-22.18.1 xen-kmp-default-debuginfo-4.5.5_12_k3.12.74_60.64.45-22.18.1 xen-libs-32bit-4.5.5_12-22.18.1 xen-libs-4.5.5_12-22.18.1 xen-libs-debuginfo-32bit-4.5.5_12-22.18.1 xen-libs-debuginfo-4.5.5_12-22.18.1 xen-tools-4.5.5_12-22.18.1 xen-tools-debuginfo-4.5.5_12-22.18.1 xen-tools-domU-4.5.5_12-22.18.1 xen-tools-domU-debuginfo-4.5.5_12-22.18.1 - SUSE Linux Enterprise Server 12-SP1-LTSS (x86_64): xen-4.5.5_12-22.18.1 xen-debugsource-4.5.5_12-22.18.1 xen-doc-html-4.5.5_12-22.18.1 xen-kmp-default-4.5.5_12_k3.12.74_60.64.45-22.18.1 xen-kmp-default-debuginfo-4.5.5_12_k3.12.74_60.64.45-22.18.1 xen-libs-32bit-4.5.5_12-22.18.1 xen-libs-4.5.5_12-22.18.1 xen-libs-debuginfo-32bit-4.5.5_12-22.18.1 xen-libs-debuginfo-4.5.5_12-22.18.1 xen-tools-4.5.5_12-22.18.1 xen-tools-debuginfo-4.5.5_12-22.18.1 xen-tools-domU-4.5.5_12-22.18.1 xen-tools-domU-debuginfo-4.5.5_12-22.18.1 References: https://www.suse.com/security/cve/CVE-2017-10911.html https://www.suse.com/security/cve/CVE-2017-10912.html https://www.suse.com/security/cve/CVE-2017-10913.html https://www.suse.com/security/cve/CVE-2017-10914.html https://www.suse.com/security/cve/CVE-2017-10915.html https://www.suse.com/security/cve/CVE-2017-10916.html https://www.suse.com/security/cve/CVE-2017-10917.html https://www.suse.com/security/cve/CVE-2017-10918.html https://www.suse.com/security/cve/CVE-2017-10920.html https://www.suse.com/security/cve/CVE-2017-10921.html https://www.suse.com/security/cve/CVE-2017-10922.html https://www.suse.com/security/cve/CVE-2017-8112.html https://www.suse.com/security/cve/CVE-2017-8309.html https://www.suse.com/security/cve/CVE-2017-8905.html https://www.suse.com/security/cve/CVE-2017-9330.html https://www.suse.com/security/cve/CVE-2017-9374.html https://www.suse.com/security/cve/CVE-2017-9503.html https://bugzilla.suse.com/1014136 https://bugzilla.suse.com/1026236 https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1031460 https://bugzilla.suse.com/1034845 https://bugzilla.suse.com/1036470 https://bugzilla.suse.com/1037243 https://bugzilla.suse.com/1042160 https://bugzilla.suse.com/1042863 https://bugzilla.suse.com/1042882 https://bugzilla.suse.com/1042893 https://bugzilla.suse.com/1042915 https://bugzilla.suse.com/1042923 https://bugzilla.suse.com/1042924 https://bugzilla.suse.com/1042931 https://bugzilla.suse.com/1042938 https://bugzilla.suse.com/1043074 https://bugzilla.suse.com/1043297 . Canonicalreleases important patches for KVM, targeting several flaws and enhancing overall system integrity.. SUSE Updates,xen Security,Denial of Service Fix,Privilege Escalation,Security Patch. . Severity: Critical. LinuxSecurity.com Team

Jul 07, 2017 •Critical SuSE