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Vulnerability Details : CVE-2009-4031

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.
Vulnerability category: Input validationDenial of service
Published 2009-11-29 13:07:32
Updated 2023-02-13 02:20:42
Source Red Hat, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2009-4031

Probability of exploitation activity in the next 30 days: 0.23%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 60 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2009-4031

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
7.8
 HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
 [email protected]

CWE ids for CVE-2009-4031

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: [email protected] (Primary)

References for CVE-2009-4031

Products affected by CVE-2009-4031

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