The do_insn_fetch function in arch/x86/kvm/emulate.c in the x86 emulator in...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.openwall.com/lists/oss-security/2009/11/25/1
- http://secunia.com/advisories/37720
- http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00006.html
- http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.32-rc8-next-20091125.gz
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11089
- http://www.openwall.com/lists/oss-security/2009/11/25/3
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00777.html
- http://git.kernel.org/?p=linux/kernel/git/avi/kvm.git%3Ba=commit%3Bh=e42d9b8141d1f54ff72ad3850bb110c95a5f3b88
- http://www.securityfocus.com/bid/37130
- https://bugzilla.redhat.com/show_bug.cgi?id=541160
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CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.