CVE-2012-4538

Advisory lineage Upstream: 0 Downstream: 3
Modified
Published: 24 Nov 2012, 20:00
Last modified:06 Aug 2024, 20:42

Vulnerability Summary

Overall Risk (default)
low
20/100
CVSS Score
4.9 MEDIUM
v2.0 (nvd)
EPSS Score
0.05% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

24 Nov 2012, 20:00
Published
Vulnerability first disclosed
06 Aug 2024, 20:42
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.05%• Percentile: 17%

Techniques & Countermeasures

  • CWE-20•Improper Input Validation

    The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected Systems

  • xen•xen

    4.0.0 | 4.1.0 | 4.2.0

References (21)