SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2017:1081-1 Rating: important References: #1022555 #1026636 #1027519 #1027570 #1028235 #1028655 #1029827 #1030144 #1030442 Cross-References: CVE-2016-9603 CVE-2017-2633 CVE-2017-6414 CVE-2017-6505 CVE-2017-7228 Affected Products: SUSE Linux Enterprise Software Development Kit 11-SP4 SUSE Linux Enterprise Server 11-SP4 SUSE Linux Enterprise Debuginfo 11-SP4 ______________________________________________________________________________ An update that solves 5 vulnerabilities and has four fixes is now available. Description: This update for xen 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-2016-9603: A privileged user within the guest VM can cause a heap overflow in the device model process, potentially escalating their privileges to that of the device model process (bsc#1028655). - CVE-2017-6414: Memory leak in the vcard_apdu_new function in card_7816.c in libcacard allowed local guest OS users to cause a denial of service (host memory consumption) via vectors related to allocating a new APDU object (bsc#1027570). - 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). - CVE-2017-2633: The VNC display driver support was vulnerable to an out-of-bounds memory access issue. A user/process inside guest could use this flaw to cause DoS (bsc#1026636). These non-security issues were fixed: - bsc#1022555: Timeout in "execution of /etc/xen/scripts/block add" - bsc#1029827: Forward port xenstored Patch Instructions: To install this SUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Software Development Kit 11-SP4: zypper in -t patch sdksp4-xen-13069=1 - SUSE Linux Enterprise Server 11-SP4: zypper in -t patch slessp4-xen-13069=1 - SUSE Linux Enterprise Debuginfo 11-SP4: zypper in -t patch dbgsp4-xen-13069=1 To bring your system up-to-date, use "zypper patch". Package List: - SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 x86_64): xen-devel-4.4.4_16-54.1 - SUSE Linux Enterprise Server 11-SP4 (i586 x86_64): xen-kmp-default-4.4.4_16_3.0.101_97-54.1 xen-libs-4.4.4_16-54.1 xen-tools-domU-4.4.4_16-54.1 - SUSE Linux Enterprise Server 11-SP4 (x86_64): xen-4.4.4_16-54.1 xen-doc-html-4.4.4_16-54.1 xen-libs-32bit-4.4.4_16-54.1 xen-tools-4.4.4_16-54.1 - SUSE Linux Enterprise Server 11-SP4 (i586): xen-kmp-pae-4.4.4_16_3.0.101_97-54.1 - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 x86_64): xen-debuginfo-4.4.4_16-54.1 xen-debugsource-4.4.4_16-54.1 References: https://www.suse.com/security/cve/CVE-2016-9603.html https://www.suse.com/security/cve/CVE-2017-2633.html https://www.suse.com/security/cve/CVE-2017-6414.html https://www.suse.com/security/cve/CVE-2017-6505.html https://www.suse.com/security/cve/CVE-2017-7228.html https://bugzilla.suse.com/1022555 https://bugzilla.suse.com/1026636 https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1027570 https://bugzilla.suse.com/1028235 https://bugzilla.suse.com/1028655 https://bugzilla.suse.com/1029827 https://bugzilla.suse.com/1030144 https://bugzilla.suse.com/1030442 -- To unsubscribe, e-mail: opensuse-security-announce+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-security-announce+help@opensuse.org