CVE-2017-7228

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Summary

CVECVE-2017-7228
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-04-04 14:59:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionAn issue (known as XSA-212) was discovered in Xen, with fixes available for 4.8.x, 4.7.x, 4.6.x, 4.5.x, and 4.4.x. The earlier XSA-29 fix introduced an insufficient check on XENMEM_exchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays.

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-129 | 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]Primary7.2AV:L/AC:L/Au:N/C:C/I:C/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
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Xen Xen - All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
oss-security - Xen Security Advisory 212 (CVE-2017-7228) - x86: broken check in memory_exchange() permits PV guest breakout af854a3a-2127-422b-91ae-364da2661108 openwall.com Mailing List, Third Party Advisory
Project Zero: Pandavirtualization: Exploiting the Xen hypervisor af854a3a-2127-422b-91ae-364da2661108 googleprojectzero.blogspot.com Technical Description, Third Party Advisory
Xen - Broken Check in 'memory_exchange()' Permits PV Guest Breakout af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com
XSA-212 - Xen Security Advisories af854a3a-2127-422b-91ae-364da2661108 xenbits.xen.org Patch, Vendor Advisory
Xen XENMEM_exchange Validation Flaw Lets Local Users on a Guest System Gain Elevated Privileges on the Host System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Xen 'memory_exchange()' Function Incomplete Fix Privilege Escalation Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
qubes-secpack/qsb-029-2017.txt at master · QubesOS/qubes-secpack · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
Debian -- Security Information -- DSA-3847-1 xen af854a3a-2127-422b-91ae-364da2661108 www.debian.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 500814 Alpine Linux Security Update for xen
  • 504557 Alpine Linux Security Update for xen
  • 510417 Alpine Linux Security Update for xen
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