openSUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: openSUSE-SU-2017:3193-1 Rating: important References: #1027519 #1055047 #1061075 #1063123 #1068187 #1068191 Cross-References: CVE-2017-15289 CVE-2017-15597 Affected Products: openSUSE Leap 42.3 ______________________________________________________________________________ An update that solves two vulnerabilities and has four fixes is now available. Description: This update for xen to version 4.9.1 (bsc#1027519) fixes several issues. This new feature was added: - Support migration of HVM domains larger than 1 TB These security issues were fixed: - bsc#1068187: Failure to recognize errors in the Populate on Demand (PoD) code allowed for DoS (XSA-246) - bsc#1068191: Missing p2m error checking in PoD code allowed unprivileged guests to retain a writable mapping of freed memory leading to information leaks, privilege escalation or DoS (XSA-247). - CVE-2017-15289: The mode4and5 write functions allowed local OS guest privileged users to cause a denial of service (out-of-bounds write access and Qemu process crash) via vectors related to dst calculation (bsc#1063123) - CVE-2017-15597: A grant copy operation being done on a grant of a dying domain allowed a malicious guest administrator to corrupt hypervisor memory, allowing for DoS or potentially privilege escalation and information leaks (bsc#1061075). This non-security issue was fixed: - bsc#1055047: Fixed --initrd-inject option in virt-install This update was imported from the SUSE:SLE-12-SP3: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 42.3: zypper in -t patch openSUSE-2017-1321=1 To bring your system up-to-date, use "zypper patch". Package List: - openSUSE Leap 42.3 (x86_64): xen-4.9.1_02-13.2 xen-debugsource-4.9.1_02-13.2 xen-devel-4.9.1_02-13.2 xen-doc-html-4.9.1_02-13.2 xen-libs-4.9.1_02-13.2 xen-libs-debuginfo-4.9.1_02-13.2 xen-tools-4.9.1_02-13.2 xen-tools-debuginfo-4.9.1_02-13.2 xen-tools-domU-4.9.1_02-13.2 xen-tools-domU-debuginfo-4.9.1_02-13.2 References: https://www.suse.com/security/cve/CVE-2017-15289.html https://www.suse.com/security/cve/CVE-2017-15597.html https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1055047 https://bugzilla.suse.com/1061075 https://bugzilla.suse.com/1063123 https://bugzilla.suse.com/1068187 https://bugzilla.suse.com/1068191