CVE-2009-4031

HighCVSS 7.8/10Last modified Jun 16, 2026

Description

The do_insn_fetch function in arch/x86/kvm/emulate.c in the x86 emulator in the KVM subsystem in the Linux kernel before 2.6.32-rc8-next-20091125 tries to interpret instructions that contain too many bytes to be valid, which allows guest OS users to cause a denial of service (increased scheduling latency) on the host OS via unspecified manipulations related to SMP support.

Metrics

CVSS 2.0 7.8/10AV:N/AC:L/Au:N/C:N/I:N/A:C

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: Nov 29, 2009
Last modified: Jun 16, 2026
NVD status: Modified

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