CVE-2012-3432

kernel: xen: HVM guest user mode MMIO emulation DoS

Published Dec 3, 2012 CVSS 2.0 · 1.9 Low EPSS < 1% KEV · Not listed
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 cycles, which allows local guest OS users to cause a denial of service (guest OS crash) via unspecified operations on MMIO regions.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-2531-1 xen security update
EUVD EUVD EUVD-2012-3399 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 cycles, which allows local guest OS users to cause a denial of service (guest OS crash) via unspecified operations on MMIO regions.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 8:05 PM
Reserved
Jun 14, 2012, 12:00 AM
Status
Modified
Published
Dec 3, 2012, 9:55 PM
Modified
Jun 16, 2026, 11:43 PM
Severity
Moderate
Public date
Jul 26, 2012, 12:00 AM