Test ID:	1.3.6.1.4.1.25623.1.0.703633
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DSA-3633-1)
Summary:	The remote host is missing an update for the Debian 'xen' package(s) announced via the DSA-3633-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'xen' package(s) announced via the DSA-3633-1 advisory. Vulnerability Insight: Multiple vulnerabilities have been discovered in the Xen hypervisor. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2015-8338 Julien Grall discovered that Xen on ARM was susceptible to denial of service via long running memory operations. CVE-2016-4480 Jan Beulich discovered that incorrect page table handling could result in privilege escalation inside a Xen guest instance. CVE-2016-4962 Wei Liu discovered multiple cases of missing input sanitising in libxl which could result in denial of service. CVE-2016-5242 Aaron Cornelius discovered that incorrect resource handling on ARM systems could result in denial of service. CVE-2016-6258 Jeremie Boutoille discovered that incorrect pagetable handling in PV instances could result in guest to host privilege escalation. For the stable distribution (jessie), these problems have been fixed in version 4.4.1-9+deb8u6. For the unstable distribution (sid), these problems will be fixed soon. We recommend that you upgrade your xen packages. Affected Software/OS: 'xen' package(s) on Debian 8. Solution: Please install the updated package(s). CVSS Score: 7.2 CVSS Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2015-8338 BugTraq ID: 78920 http://www.securityfocus.com/bid/78920 Debian Security Information: DSA-3633 (Google Search) http://www.debian.org/security/2016/dsa-3633 http://www.securitytracker.com/id/1034390 Common Vulnerability Exposure (CVE) ID: CVE-2016-4480 BugTraq ID: 90710 http://www.securityfocus.com/bid/90710 http://www.securitytracker.com/id/1035901 Common Vulnerability Exposure (CVE) ID: CVE-2016-4962 BugTraq ID: 91006 http://www.securityfocus.com/bid/91006 http://www.securitytracker.com/id/1036023 Common Vulnerability Exposure (CVE) ID: CVE-2016-5242 BugTraq ID: 91015 http://www.securityfocus.com/bid/91015 http://www.securitytracker.com/id/1036035 Common Vulnerability Exposure (CVE) ID: CVE-2016-6258 BugTraq ID: 92131 http://www.securityfocus.com/bid/92131 https://security.gentoo.org/glsa/201611-09 http://www.securitytracker.com/id/1036446
Copyright	Copyright (C) 2016 Greenbone AG

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