CVE-2014-7156

The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors.

CVSS v2.0 3.3 LOW

3.3^/10

CVSS v2.0 : LOW

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

Exploitability : 6.5 / Impact : 2.9

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://xenbits.xen.org/xsa/advisory-106.html	Patch Vendor Advisory
http://secunia.com/advisories/61500
http://www.securityfocus.com/bid/70062
http://www.securitytracker.com/id/1030889
http://support.citrix.com/article/CTX200218
http://secunia.com/advisories/61858
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
http://www.debian.org/security/2014/dsa-3041
http://security.gentoo.org/glsa/glsa-201412-42.xml
http://secunia.com/advisories/61890

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:xen:xen:3.3.1:::::::*
	cpe:2.3:o:xen:xen:3.3.2:::::::*
	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:4.4.1:-::::::
	cpe:2.3:o:xen:xen:3.3.0:::::::*
	cpe:2.3:o:xen:xen:4.1.4:::::::*
	cpe:2.3:o:xen:xen:4.1.5:::::::*
	cpe:2.3:o:xen:xen:4.4.0:::::::*
	cpe:2.3:o:xen:xen:4.4.0:rc1::::::
	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:4.1.2:::::::*
	cpe:2.3:o:xen:xen:4.1.1:::::::*
	cpe:2.3:o:xen:xen:4.1.0:::::::*
	cpe:2.3:o:xen:xen:4.1.3:::::::*
	cpe:2.3:o:xen:xen:4.3.1:::::::*

Information

Published : 2014-10-02 07:55

Updated : 2018-10-30 09:26

NVD link : CVE-2014-7156

Mitre link : CVE-2014-7156

JSON object : View

CWE

CWE-264

Permissions, Privileges, and Access Controls

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Products Affected

xen

xen

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