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Resource Management Errors

CVE-2015-4164

Severity Medium
Score 4.9/10

Summary

The compat_iret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service (large loop and system hang) via a hypercall_iret call with EFLAGS.VM set.

  • LOW
  • LOCAL
  • NONE
  • NONE
  • NONE
  • COMPLETE

CWE-399 - Resource Management Errors

Resource management errors is not a weakness in and of itself, rather it is a category of weaknesses related to improper management of system resources. If not addressed, the weaknesses in this category can lead to unexpected software behavior, loss of access, file modification, sensitive information disclosure, system crash, denial of service, and code execution.

References

Advisory Timeline

  • Published