CVE-2014-8594

The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).

CVSS v2.0 5.4 MEDIUM

5.4^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 4.9 / Impact : 6.9

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://xenbits.xen.org/xsa/advisory-109.html	Patch Vendor Advisory
http://secunia.com/advisories/62672	Permissions Required
http://www.debian.org/security/2015/dsa-3140	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html	Third Party Advisory
https://security.gentoo.org/glsa/201504-04
http://www.securityfocus.com/bid/71149
https://exchange.xforce.ibmcloud.com/vulnerabilities/98767

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:opensuse:opensuse:13.1:::::::*
	cpe:2.3:o:opensuse:opensuse:13.2:::::::*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:o:xen:xen:4.0.0:::::::*
	cpe:2.3:o:xen:xen:4.1.2:::::::*
	cpe:2.3:o:xen:xen:4.1.3:::::::*
	cpe:2.3:o:xen:xen:4.1.4:::::::*
	cpe:2.3:o:xen:xen:4.3.0:::::::*
	cpe:2.3:o:xen:xen:4.3.1:::::::*
	cpe:2.3:o:xen:xen:4.1.0:::::::*
	cpe:2.3:o:xen:xen:4.1.1:::::::*
	cpe:2.3:o:xen:xen:4.2.2:::::::*
	cpe:2.3:o:xen:xen:4.2.3:::::::*
	cpe:2.3:o:xen:xen:4.0.1:::::::*
	cpe:2.3:o:xen:xen:4.1.5:::::::*
	cpe:2.3:o:xen:xen:4.0.4:::::::*
	cpe:2.3:o:xen:xen:4.0.2:::::::*
	cpe:2.3:o:xen:xen:4.2.0:::::::*
	cpe:2.3:o:xen:xen:4.1.6.1:::::::*
	cpe:2.3:o:xen:xen:4.2.1:::::::*
	cpe:2.3:o:xen:xen:4.0.3:::::::*

Information

Published : 2014-11-19 10:59

Updated : 2018-10-30 09:27

NVD link : CVE-2014-8594

Mitre link : CVE-2014-8594

JSON object : View

CWE

CWE-20

Improper Input Validation

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Products Affected

debian

debian_linux

xen

xen

opensuse

opensuse

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