CVE-2012-3432

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Summary

CVECVE-2012-3432
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-12-03 21:55:01 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe handle_mmio function in arch/x86/hvm/io.c in the MMIO operations emulator for Xen 3.3 and 4.x, when running an HVM guest, does not properly reset certain state information between emulation cycles, which allows local guest OS users to cause a denial of service (guest OS crash) via unspecified operations on MMIO regions.

Risk And Classification

Primary CVSS: v2.0 1.9 from [email protected]

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

Problem Types: CWE-264 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Xen Xen 3.3.0 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 4.2.0 All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
Gentoo Linux Documentation -- Xen: Multiple vulnerabilities af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
[security-announce] SUSE-SU-2012:1044-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Xen HVM Guest User Mode MMIO Emulation Local Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
[security-announce] openSUSE-SU-2012:1172-1: important: Security Update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
[security-announce] SUSE-SU-2012:1043-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
[security-announce] openSUSE-SU-2012:1174-1: important: Security Update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Debian -- Security Information -- DSA-2531-1 xen af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Security Advisory SA55082 - Gentoo update for xen - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
[Xen-devel] Xen Security Advisory 10 (CVE-2012-3432) - HVM user mode MMIO emul DoS af854a3a-2127-422b-91ae-364da2661108 lists.xen.org Exploit, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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