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.

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Source ID Title
Debian DSA Debian DSA DSA-1962-1 New kvm packages fix several vulnerabilities
EUVD EUVD EUVD-2009-4002 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.
Ubuntu USN Ubuntu USN USN-894-1 Linux kernel vulnerabilities
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Solution

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-07T06:45:50.938Z

Reserved: 2009-11-20T00:00:00

Link: CVE-2009-4031

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2009-11-29T13:07:32.250

Modified: 2025-04-09T00:30:58.490

Link: CVE-2009-4031

cve-icon Redhat

Severity : Moderate

Publid Date: 2009-11-24T00:00:00Z

Links: CVE-2009-4031 - Bugzilla

cve-icon OpenCVE Enrichment

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Weaknesses