Vulnerability Monitor

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CVE-2009-4004

Buffer overflow in the kvm_vcpu_ioctl_x86_setup_mce function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.32-rc7 allows local users to cause a denial of service (memory corruption) or possibly gain privileges via a KVM_X86_SETUP_MCE IOCTL request that specifies a large number of Machine Check Exception (MCE) banks.

Published

2009-11-20T02:30:00.670

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

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

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-119
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel ≤ 2.6.31.14 Yes
Operating System linux linux_kernel 2.6.32 Yes
Operating System linux linux_kernel 2.6.32 Yes
Operating System linux linux_kernel 2.6.32 Yes
Operating System linux linux_kernel 2.6.32 Yes
Operating System linux linux_kernel 2.6.32 Yes
Operating System linux linux_kernel 2.6.32 Yes
Operating System linux linux_kernel 2.6.32 Yes
References