CVE-2015-8550

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.

CVSS v3.0 8.2 HIGH
CVSS v2.0 5.7 MEDIUM

8.2^/10

CVSS v3.0 : HIGH

Vector : AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Exploitability : 1.5 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

5.7^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.1 / Impact : 8.5

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact COMPLETE

References

Link	Resource
http://www.securityfocus.com/bid/79592	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1034479	Third Party Advisory VDB Entry
http://xenbits.xen.org/xsa/advisory-155.html	Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html	Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
http://www.debian.org/security/2016/dsa-3519
https://security.gentoo.org/glsa/201604-03
http://www.debian.org/security/2016/dsa-3471
http://www.debian.org/security/2016/dsa-3434

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Configurations

Configuration 1 (hide)

cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:novell:suse_linux_enterprise_real_time_extension:12:sp1:*:*:*:*:*:*

Information

Published : 2016-04-14 07:59

Updated : 2017-11-03 18:29

NVD link : CVE-2015-8550

Mitre link : CVE-2015-8550

JSON object : View

CWE

CWE-284

Improper Access Control

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Products Affected

novell

suse_linux_enterprise_real_time_extension

xen

xen

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