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LOW · 1.9

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 cycles...

Vulnerability 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.

CVSS Score

1.9

LOW

AV:L/AC:M/Au:N/C:N/I:N/A:P
Confidentiality
NONE
Integrity
NONE
Availability
PARTIAL

Affected Products

VendorProductVersions
XenXen3.3.0

Related Weaknesses (CWE)

CWE-264

References

FAQ

What is CVE-2012-3432?

CVE-2012-3432 is a vulnerability with a CVSS score of 1.9 (LOW). 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...

How severe is CVE-2012-3432?

CVE-2012-3432 has been rated LOW with a CVSS base score of 1.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2012-3432?

Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.