CVE-2013-0151
Medium
Description
The do_hvm_op function in xen/arch/x86/hvm/hvm.c in Xen 4.2.x on the x86_32 platform does not prevent HVM_PARAM_NESTEDHVM (aka nested virtualization) operations, which allows guest OS users to cause a denial of service (long-duration page mappings and host OS crash) by leveraging administrative access to an HVM guest in a domain with a large number of VCPUs.
SeverityMedium
CVSS4.6
Exploit probability—
ProductXen
PublishedMar 7, 2013
First seenMar 7, 2013
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| xen xen | 4.2.0, 4.2.1 | — |
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