CVE-2012-5515

2012-12-1300:00:00

ubuntu.com

4.7 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.001 Low

EPSS

Percentile

27.3%

JSON

The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3)
XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest
administrators to cause a denial of service (long loop and hang) via a
crafted extent_order value.

Bugs

<https://bugs.launchpad.net/bugs/1086875>

Notes

Author	Note
jdstrand	xen 3.3 probably not affected

OSVersionArchitecturePackageVersionFilename
ubuntu11.10noarchxen< 4.1.1-2ubuntu4.3UNKNOWN
ubuntu12.04noarchxen< 4.1.2-2ubuntu2.3UNKNOWN
ubuntu12.10noarchxen< 4.1.3-3ubuntu1.1UNKNOWN
ubuntu13.04noarchxen< 4.2.0-1ubuntu4UNKNOWN
ubuntu13.10noarchxen< 4.2.0-1ubuntu4UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	11.10	noarch	xen	< 4.1.1-2ubuntu4.3	UNKNOWN
ubuntu	12.04	noarch	xen	< 4.1.2-2ubuntu2.3	UNKNOWN
ubuntu	12.10	noarch	xen	< 4.1.3-3ubuntu1.1	UNKNOWN
ubuntu	13.04	noarch	xen	< 4.2.0-1ubuntu4	UNKNOWN
ubuntu	13.10	noarch	xen	< 4.2.0-1ubuntu4	UNKNOWN