openSUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: openSUSE-SU-2017:1078-1 Rating: important References: #1014136 #1015348 #1022555 #1026236 #1027519 #1028235 #1029128 #1029827 #1030144 #1030442 Cross-References: CVE-2017-6505 CVE-2017-7228 Affected Products: openSUSE Leap 42.2 ______________________________________________________________________________ An update that solves two vulnerabilities and has 8 fixes is now available. Description: This update for xen to version 4.7.2 fixes the following issues: These security issues were fixed: - CVE-2017-7228: Broken check in memory_exchange() permited PV guest breakout (bsc#1030442). - XSA-206: Unprivileged guests issuing writes to xenstore were able to stall progress of the control domain or driver domain, possibly leading to a Denial of Service (DoS) of the entire host (bsc#1030144). - CVE-2017-6505: The ohci_service_ed_list function in hw/usb/hcd-ohci.c allowed local guest OS users to cause a denial of service (infinite loop) via vectors involving the number of link endpoint list descriptors (bsc#1028235). These non-security issues were fixed: - bsc#1015348: libvirtd didn't not start during boot - bsc#1014136: kdump couldn't dump a kernel on SLES12-SP2 with Xen hypervisor. - bsc#1026236: Fixed paravirtualized performance - bsc#1022555: Timeout in "execution of /etc/xen/scripts/block add" - bsc#1029827: Forward port xenstored - bsc#1029128: Make xen to really produce xen.efi with gcc48 This update was imported from the SUSE:SLE-12-SP2:Update update project. Patch Instructions: To install this openSUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: - openSUSE Leap 42.2: zypper in -t patch openSUSE-2017-492=1 To bring your system up-to-date, use "zypper patch". Package List: - openSUSE Leap 42.2 (i586 x86_64): xen-debugsource-4.7.2_02-11.3.1 xen-devel-4.7.2_02-11.3.1 xen-libs-4.7.2_02-11.3.1 xen-libs-debuginfo-4.7.2_02-11.3.1 xen-tools-domU-4.7.2_02-11.3.1 xen-tools-domU-debuginfo-4.7.2_02-11.3.1 - openSUSE Leap 42.2 (x86_64): xen-4.7.2_02-11.3.1 xen-doc-html-4.7.2_02-11.3.1 xen-libs-32bit-4.7.2_02-11.3.1 xen-libs-debuginfo-32bit-4.7.2_02-11.3.1 xen-tools-4.7.2_02-11.3.1 xen-tools-debuginfo-4.7.2_02-11.3.1 References: https://www.suse.com/security/cve/CVE-2017-6505.html https://www.suse.com/security/cve/CVE-2017-7228.html https://bugzilla.suse.com/1014136 https://bugzilla.suse.com/1015348 https://bugzilla.suse.com/1022555 https://bugzilla.suse.com/1026236 https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1028235 https://bugzilla.suse.com/1029128 https://bugzilla.suse.com/1029827 https://bugzilla.suse.com/1030144 https://bugzilla.suse.com/1030442