CVE-2014-8594

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Summary

CVECVE-2014-8594
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-11-19 18:59:10 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).

Risk And Classification

Primary CVSS: v2.0 5.4 from [email protected]

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

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 7.0 All All All
Operating System Opensuse Opensuse 13.1 All All All
Operating System Opensuse Opensuse 13.2 All All All
Operating System Xen Xen 4.0.0 All All All
Operating System Xen Xen 4.0.1 All All All
Operating System Xen Xen 4.0.2 All All All
Operating System Xen Xen 4.0.3 All All All
Operating System Xen Xen 4.0.4 All All All
Operating System Xen Xen 4.1.0 All All All
Operating System Xen Xen 4.1.1 All All All
Operating System Xen Xen 4.1.2 All All All
Operating System Xen Xen 4.1.3 All All All
Operating System Xen Xen 4.1.4 All All All
Operating System Xen Xen 4.1.5 All All All
Operating System Xen Xen 4.1.6.1 All All All
Operating System Xen Xen 4.2.0 All All All
Operating System Xen Xen 4.2.1 All All All
Operating System Xen Xen 4.2.2 All All All
Operating System Xen Xen 4.2.3 All All All
Operating System Xen Xen 4.3.0 All All All
Operating System Xen Xen 4.3.1 All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-3140-1 xen af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
Xen: Multiple vulnerabilities (GLSA 201504-04) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
Xen MMU CVE-2014-8594 Local Security Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
[security-announce] openSUSE-SU-2015:0226-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Third Party Advisory
XSA-109 - Xen Security Advisories af854a3a-2127-422b-91ae-364da2661108 xenbits.xen.org Patch, Vendor Advisory
[security-announce] openSUSE-SU-2015:0256-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Third Party Advisory
Security Advisory SA62672 - Debian update for xen - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Permissions Required
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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