The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux...
Vulnerability Description
The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux kernel 2.6.25-rc1, and other versions before 2.6.31, when running on x86 systems, does not prevent access to MMU hypercalls from ring 0, which allows local guest OS users to cause a denial of service (guest kernel crash) and read or write guest kernel memory via unspecified "random addresses."
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
- https://bugzilla.redhat.com/show_bug.cgi?id=524124
- http://www.ubuntu.com/usn/USN-852-1
- http://www.openwall.com/lists/oss-security/2009/09/18/1
- http://patchwork.kernel.org/patch/38926/
- http://www.redhat.com/support/errata/RHSA-2009-1465.html
- http://www.openwall.com/lists/oss-security/2009/09/22/8
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11328
- http://www.openwall.com/lists/oss-security/2009/09/21/1
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=07708c4af1346ab1521b26a202f438366b7bcffd
- http://secunia.com/advisories/37105
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
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