CVE-2017-10920

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Summary

CVECVE-2017-10920
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-07-05 01:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionThe grant-table feature in Xen through 4.8.x mishandles a GNTMAP_device_map and GNTMAP_host_map mapping, when followed by only a GNTMAP_host_map unmapping, which allows guest OS users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 1.

Risk And Classification

Primary CVSS: v3.0 10 CRITICAL from [email protected]

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

Problem Types: CWE-119 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary10CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
2.0[email protected]Primary10AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.0 Breakdown

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

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/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 All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
Xen: Multiple vulnerabilities (GLSA 201710-17) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
XSA-224 - Xen Security Advisories af854a3a-2127-422b-91ae-364da2661108 xenbits.xen.org Patch, Vendor Advisory
Debian -- Security Information -- DSA-3969-1 xen af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Xen Grant Table Mapping Bugs Let Local Users on a Guest System Gain Elevated Privileges on the Host System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Gentoo Linux — Error 404 (Not Found) af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 500816 Alpine Linux Security Update for xen
  • 504559 Alpine Linux Security Update for xen
  • 710330 Gentoo Linux Xen Multiple Vulnerabilities (GLSA 201710-17)

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