Published: 17/12/2015 Updated: 07/12/2016

CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9

VMScore: 641

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Xen 4.6.x and previous versions does not properly enforce limits on page order inputs for the (1) XENMEM_increase_reservation, (2) XENMEM_populate_physmap, (3) XENMEM_exchange, and possibly other HYPERVISOR_memory_op suboperations, which allows ARM guest OS administrators to cause a denial of service (CPU consumption, guest reboot, or watchdog timeout and host reboot) and possibly have unspecified other impact via unknown vectors.

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Debian Bug report logs - #823620 Multiple security issues Package: src:xen; Maintainer for src:xen is Debian Xen Team <pkg-xen-devel@listsaliothdebianorg>; Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Fri, 6 May 2016 18:03:02 UTC Severity: grave Tags: security Fixed in versions xen/480~rc3-1, xen/48 ...

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 ...

CWE-254 http://xenbits.xen.org/xsa/advisory-158.html http://www.securityfocus.com/bid/78920 http://www.debian.org/security/2016/dsa-3633 http://www.securitytracker.com/id/1034390 https://nvd.nist.gov https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=823620 https://www.debian.org/security/./dsa-3633

CVE-2015-8338

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