National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-4031 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: N/A
NVD score not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=linux/kernel/git/avi/kvm.git;a=commit;h=e42d9b8141d1f54ff72ad3850bb110c95a5f3b88 Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00006.html Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.32-rc8-next-20091125.gz Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2009/11/25/1 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2009/11/25/3 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/37130 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=541160 Issue Tracking Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11089 Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00777.html Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-20 Improper Input Validation NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
2.6.32
 cpe:2.3:o:linux:linux_kernel:2.6.32:-:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.6.32:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.6.32:rc2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.6.32:rc3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.6.32:rc4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.6.32:rc5:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.6.32:rc6:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.6.32:rc7:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-4031
NVD Published Date:
11/29/2009
NVD Last Modified:
11/16/2018