01 Record

CVE-2012-3432

The 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

UnratedPUBLISHEDCNA: redhat

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

The 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.64% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 50.6% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Modified. NVD last modified this record on 2026-06-16.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2012-12-03 21:00Z13 YR AGO

Last updated

2024-08-06 20:05Z2 YR AGO

Reserved

2012-06-14

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-264

Data version

5.1

Document digest

aebc8eefa04ccb11cd558479ba538df416734502126fa768df6dcf78b07eee99

05 Affected products

VendorProductVersionsPlatforms

redhatenterprise_linuxNot specified—

redhatenterprise_mrgNot specified—

xenxenNot specified—

06 References

www.debian.orgDSA-2531http://www.debian.org/security/2012/dsa-2531vendor-advisoryx_refsource_DEBIAN
secunia.com55082http://secunia.com/advisories/55082third-party-advisoryx_refsource_SECUNIA
lists.xen.org[Xen-devel] 20120727 Xen Security Advisory 10 (CVE-2012-3432) - HVM user mode MMIO emul DoShttp://lists.xen.org/archives/html/xen-devel/2012-07/msg01649.htmlmailing-listx_refsource_MLIST
security.gentoo.orgGLSA-201309-24http://security.gentoo.org/glsa/glsa-201309-24.xmlvendor-advisoryx_refsource_GENTOO
lists.opensuse.orgSUSE-SU-2012:1044http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00025.htmlvendor-advisoryx_refsource_SUSE
lists.opensuse.orgSUSE-SU-2012:1043http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00024.htmlvendor-advisoryx_refsource_SUSE
lists.opensuse.orgopenSUSE-SU-2012:1174http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.htmlvendor-advisoryx_refsource_SUSE
www.securityfocus.com54691http://www.securityfocus.com/bid/54691vdb-entryx_refsource_BID
lists.opensuse.orgopenSUSE-SU-2012:1172http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.htmlvendor-advisoryx_refsource_SUSE

07 Fixed in

Debian 12

xen
Fixed in 4.1.3-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

xen
Fixed in 4.1.3-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

xen
Fixed in 4.1.3-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.