CVE-2015-8550

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Summary

CVECVE-2015-8550
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-04-14 14:59:04 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionXen, 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.

Risk And Classification

Primary CVSS: v3.0 8.2 HIGH from [email protected]

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Problem Types: CWE-284 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary8.2HIGHCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
2.0[email protected]Primary5.7AV:L/AC:L/Au:S/C:P/I:P/A:C

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Complete

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Novell Suse Linux Enterprise Real Time Extension 12 sp1 All All
Operating System Xen Xen - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-3519-1 xen af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Oracle VM Server for x86 Bulletin - July 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
Xen PV Backend Driver CVE-2015-8550 Remote Code Execution Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Debian -- Security Information -- DSA-3471-1 qemu af854a3a-2127-422b-91ae-364da2661108 www.debian.org
[security-announce] SUSE-SU-2016:1764-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Third Party Advisory
[security-announce] SUSE-SU-2016:0911-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Xen PV Backend Drivers Memory Double-Fetch Lets Local Administrative Users on a Guest System Gain Elevated Privileges on the Host System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
[security-announce] SUSE-SU-2016:1102-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Debian -- Security Information -- DSA-3434-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Xen: Multiple vulnerabilities (GLSA 201604-03) — Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
XSA-155 - Xen Security Advisories af854a3a-2127-422b-91ae-364da2661108 xenbits.xen.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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