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CVE-2015-7812

Date: November 17, 2015

The hypercall_create_continuation function in arch/arm/domain.c in Xen 4.4.x through 4.6.x allows local guest users to cause a denial of service (host crash) via a preemptible hypercall to the multicall interface.

Language: C

Severity Score

5.9

Related Resources (9)

Url: http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html

Url: https://security.gentoo.org/glsa/201604-03

Url: http://www.debian.org/security/2015/dsa-3414

Url: https://nvd.nist.gov/vuln/detail/CVE-2015-7812

Url: http://www.securitytracker.com/id/1034031

Url: http://xenbits.xen.org/xsa/advisory-145.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html

Url: https://www.mend.io/vulnerability-database/CVE-2015-7812

Severity Score

5.9

Weakness Type (CWE)

Security Features

CWE-254

CVSS v3.1

Base Score:	5.9
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	COMPLETE
Additional information:

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