CVE-2009-3640

2009-10-2900:00:00

ubuntu.com

4.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

0.0004 Low

EPSS

Percentile

5.1%

JSON

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.