CWE Code: 20
Vulnerability Type: privilege_escalation
CVSS Score: 4.9
CWE Name:  Improper Input Validation
Summary: the update_cr8_intercept function in arch/x86/kvm/x86.c in the kvm subsystem in the linux kernel before 2.6.32-rc1 does not properly handle the absence of an advanced programmable interrupt controller (apic), which allows local users to cause a denial of service (null pointer dereference and system crash) or possibly gain privileges via a call to the kvm_vcpu_ioctl function.
Access Authentication: NONE
Access Complexity: LOW
Access Vector: LOCAL
Impact (C/I/A): NONE/NONE/COMPLETE
Published Date: 2009-10-29
Last Modified Date: 2017-08-17