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

V2 Legend

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

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

History

21 Nov 2024, 02:19

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

Information

Published : 2014-11-19 18:59

Updated : 2025-04-12 10:46

NVD link : CVE-2014-8594

Mitre link : CVE-2014-8594

CVE.ORG link : CVE-2014-8594

JSON object : View

Products Affected

opensuse

opensuse

xen

debian

debian_linux

CWE

CWE-20

Improper Input Validation

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"http://secunia.com/advisories/62672", "tags": ["Permissions Required"], "source": "cve@mitre.org"}, {"url": "http://www.debian.org/security/2015/dsa-3140", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/71149", "source": "cve@mitre.org"}, {"url": "http://xenbits.xen.org/xsa/advisory-109.html", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/98767", "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/201504-04", "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/62672", "tags": ["Permissions Required"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.debian.org/security/2015/dsa-3140", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/71149", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://xenbits.xen.org/xsa/advisory-109.html", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/98767", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/201504-04", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "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)."}, {"lang": "es", "value": "La funci\u00f3n do_mmu_update en arch/x86/mm.c en Xen 4.x hasta la versi\u00f3n 4.4.x no restringe adecuadamente las actualizaciones a las tablas de p\u00e1gina s\u00f3lo para PV, lo que permite a invitados PV remotos provocar una denegaci\u00f3n de servicio (referencia a puntero NULL) aprovechando los servicios de emulaci\u00f3n de hardware para invitados HVM que utilizan Hardware Assisted Paging (HAP)."}], "lastModified": "2025-04-12T10:46:40.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A10BC294-9196-425F-9FB0-B1625465B47F"}, {"criteria": "cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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5.4 /10