openSUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: openSUSE-SU-2017:0665-1 Rating: important References: #1000195 #1002496 #1005028 #1012651 #1014298 #1014300 #1015169 #1016340 #1022871 #1023004 #1024834 Cross-References: CVE-2016-9921 CVE-2016-9922 CVE-2017-2615 CVE-2017-2620 Affected Products: openSUSE Leap 42.2 ______________________________________________________________________________ An update that solves four vulnerabilities and has 7 fixes is now available. Description: This update for xen fixes several issues. These security issues were fixed: - CVE-2017-2620: In CIRRUS_BLTMODE_MEMSYSSRC mode the bitblit copy routine cirrus_bitblt_cputovideo failed to check the memory region, allowing for an out-of-bounds write that allows for privilege escalation (bsc#1024834). - CVE-2017-2615: An error in the bitblt copy operation could have allowed a malicious guest administrator to cause an out of bounds memory access, possibly leading to information disclosure or privilege escalation (bsc#1023004). - A malicious guest could have, by frequently rebooting over extended periods of time, run the host system out of memory, resulting in a Denial of Service (DoS) (bsc#1022871) - CVE-2016-9921: The Cirrus CLGD 54xx VGA Emulator support was vulnerable to a divide by zero issue while copying VGA data. A privileged user inside guest could have used this flaw to crash the process instance on the host, resulting in DoS (bsc#1015169 These non-security issues were fixed: - bsc#1000195: Prevent panic on CPU0 while booting on SLES 11 SP3 - bsc#1002496: Added support for reloading clvm in block-dmmd block-dmmd - bsc#1005028: Fixed building Xen RPMs from Sources 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-2017-329=1 To bring your system up-to-date, use "zypper patch". Package List: - openSUSE Leap 42.2 (i586 x86_64): xen-debugsource-4.7.1_06-9.2 xen-devel-4.7.1_06-9.2 xen-libs-4.7.1_06-9.2 xen-libs-debuginfo-4.7.1_06-9.2 xen-tools-domU-4.7.1_06-9.2 xen-tools-domU-debuginfo-4.7.1_06-9.2 - openSUSE Leap 42.2 (x86_64): xen-4.7.1_06-9.2 xen-doc-html-4.7.1_06-9.2 xen-libs-32bit-4.7.1_06-9.2 xen-libs-debuginfo-32bit-4.7.1_06-9.2 xen-tools-4.7.1_06-9.2 xen-tools-debuginfo-4.7.1_06-9.2 References: https://www.suse.com/security/cve/CVE-2016-9921.html https://www.suse.com/security/cve/CVE-2016-9922.html https://www.suse.com/security/cve/CVE-2017-2615.html https://www.suse.com/security/cve/CVE-2017-2620.html https://bugzilla.suse.com/1000195 https://bugzilla.suse.com/1002496 https://bugzilla.suse.com/1005028 https://bugzilla.suse.com/1012651 https://bugzilla.suse.com/1014298 https://bugzilla.suse.com/1014300 https://bugzilla.suse.com/1015169 https://bugzilla.suse.com/1016340 https://bugzilla.suse.com/1022871 https://bugzilla.suse.com/1023004 https://bugzilla.suse.com/1024834 -- To unsubscribe, e-mail: opensuse-security-announce+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-security-announce+help@opensuse.org