openSUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: openSUSE-SU-2017:1221-1 Rating: important References: #1022703 #1028655 #1029827 #1030144 #1034843 #1034844 #1034994 #1036146 Cross-References: CVE-2016-9603 CVE-2017-7718 Affected Products: openSUSE Leap 42.2 ______________________________________________________________________________ An update that solves two vulnerabilities and has 6 fixes is now available. Description: This update for xen fixes several issues. These security issues were fixed: - A malicious 64-bit PV guest may be able to access all of system memory, allowing for all of privilege escalation, host crashes, and information leaks by placing a IRET hypercall in the middle of a multicall batch (XSA-213, bsc#1034843) - A malicious pair of guests may be able to access all of system memory, allowing for all of privilege escalation, host crashes, and information leaks because of a missing check when transfering pages via GNTTABOP_transfer (XSA-214, bsc#1034844). - CVE-2017-7718: hw/display/cirrus_vga_rop.h allowed local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors related to copying VGA data via the cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions (bsc#1034994). - CVE-2016-9603: A privileged user within the guest VM could have caused a heap overflow in the device model process, potentially escalating their privileges to that of the device model process (bsc#1028655) These non-security issues were fixed: - bsc#1029827: Additional xenstore patch - bsc#1036146: Xen VM dumped core to wrong path - bsc#1022703: Prevent Xen HVM guest with OVMF to hang with unattached CDRom 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-2017-563=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_04-11.6.1 xen-devel-4.7.2_04-11.6.1 xen-libs-4.7.2_04-11.6.1 xen-libs-debuginfo-4.7.2_04-11.6.1 xen-tools-domU-4.7.2_04-11.6.1 xen-tools-domU-debuginfo-4.7.2_04-11.6.1 - openSUSE Leap 42.2 (x86_64): xen-4.7.2_04-11.6.1 xen-doc-html-4.7.2_04-11.6.1 xen-libs-32bit-4.7.2_04-11.6.1 xen-libs-debuginfo-32bit-4.7.2_04-11.6.1 xen-tools-4.7.2_04-11.6.1 xen-tools-debuginfo-4.7.2_04-11.6.1 References: https://www.suse.com/security/cve/CVE-2016-9603.html https://www.suse.com/security/cve/CVE-2017-7718.html https://bugzilla.suse.com/1022703 https://bugzilla.suse.com/1028655 https://bugzilla.suse.com/1029827 https://bugzilla.suse.com/1030144 https://bugzilla.suse.com/1034843 https://bugzilla.suse.com/1034844 https://bugzilla.suse.com/1034994 https://bugzilla.suse.com/1036146 -- To unsubscribe, e-mail: opensuse-security-announce+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-security-announce+help@opensuse.org