openSUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: openSUSE-SU-2017:2540-1 Rating: important References: #1027519 #1055695 #1056278 #1056280 #1056281 #1056282 Cross-References: CVE-2017-14316 CVE-2017-14317 CVE-2017-14318 CVE-2017-14319 Affected Products: openSUSE Leap 42.2 ______________________________________________________________________________ An update that solves four vulnerabilities and has two fixes is now available. Description: This update for xen fixes several issues. These security issues were fixed: - CVE-2017-14316: Missing bound check in function `alloc_heap_pages` for an internal array allowed attackers using crafted hypercalls to execute arbitrary code within Xen (XSA-231, bsc#1056278) - CVE-2017-14318: The function __gnttab_cache_flush missed a check for grant tables, allowing a malicious guest to crash the host or for x86 PV guests to potentially escalate privileges (XSA-232, bsc#1056280) - CVE-2017-14317: A race in cxenstored may have cause a double-free allowind for DoS of the xenstored daemon (XSA-233, bsc#1056281). - CVE-2017-14319: An error while handling grant mappings allowed malicious or buggy x86 PV guest to escalate its privileges or crash the hypervisor (XSA-234, bsc#1056282). These non-security issues were fixed: - bsc#1055695: Fixed restoring updates for HVM guests for ballooned domUs 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-2017-1080=1 To bring your system up-to-date, use "zypper patch". Package List: - openSUSE Leap 42.2 (i586 x86_64): xen-debugsource-4.7.3_04-11.15.1 xen-devel-4.7.3_04-11.15.1 xen-libs-4.7.3_04-11.15.1 xen-libs-debuginfo-4.7.3_04-11.15.1 xen-tools-domU-4.7.3_04-11.15.1 xen-tools-domU-debuginfo-4.7.3_04-11.15.1 - openSUSE Leap 42.2 (x86_64): xen-4.7.3_04-11.15.1 xen-doc-html-4.7.3_04-11.15.1 xen-libs-32bit-4.7.3_04-11.15.1 xen-libs-debuginfo-32bit-4.7.3_04-11.15.1 xen-tools-4.7.3_04-11.15.1 xen-tools-debuginfo-4.7.3_04-11.15.1 References: https://www.suse.com/security/cve/CVE-2017-14316.html https://www.suse.com/security/cve/CVE-2017-14317.html https://www.suse.com/security/cve/CVE-2017-14318.html https://www.suse.com/security/cve/CVE-2017-14319.html https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1055695 https://bugzilla.suse.com/1056278 https://bugzilla.suse.com/1056280 https://bugzilla.suse.com/1056281 https://bugzilla.suse.com/1056282 -- To unsubscribe, e-mail: opensuse-security-announce+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-security-announce+help@opensuse.org