Attacker Value
Unknown
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Exploitability
Unknown
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User Interaction
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Privileges Required
Unknown
Attack Vector
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0

CVE-2012-4538

Disclosure Date: November 24, 2012
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Description

The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.

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CVSS V3 Severity and Metrics
Base Score:
None
Impact Score:
Unknown
Exploitability Score:
Unknown
Vector:
Unknown
Attack Vector (AV):
Unknown
Attack Complexity (AC):
Unknown
Privileges Required (PR):
Unknown
User Interaction (UI):
Unknown
Scope (S):
Unknown
Confidentiality (C):
Unknown
Integrity (I):
Unknown
Availability (A):
Unknown

General Information

Vendors

  • xen

Products

  • xen 4.0.0,
  • xen 4.1.0,
  • xen 4.2.0

References

Additional Info

Technical Analysis