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The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux kernel 2.6.25-rc1 and other versions before 2.6.31 when running on x86 systems does not prevent access to MMU hypercalls from ring 0 which allows local guest OS users to cause a denial of service (guest kernel crash) and read or write guest kernel memory via unspecified "random addresses."

oval:org.mitre.oval:def:11328

The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux kernel 2.6.25-rc1 and other versions before 2.6.31 when running on x86 systems does not prevent access to MMU hypercalls from ring 0 which allows local guest OS users to cause a denial of service (guest kernel crash) and read or write guest kernel memory via unspecified "random addresses."

Family:
unix
Status:
ACCEPTED
Platform(s):
  • Red Hat Enterprise Linux 5
  • Oracle Linux 5
  • CentOS Linux 5
Class:
vulnerability
Reference(s):
  • CVE-2009-3290
Product(s):