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CVE-2012-4538

MEDIUM · CVSS 4.9EPSS 0.4%EU EUVD

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.

Key facts

CVSS score
4.9 (v2.0)
Severity
MEDIUM
CVSS vector
AV:L/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE)
CWE-20
EPSS score
0.4% (39th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2012-4466)
Published
November 24, 2012
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-4466 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • xen / xen
  • xen / xen
  • xen / xen

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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