CVE-2009-3290 Information

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.\

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=07708c4af1346ab1521b26a202f438366b7bcffd http://patchwork.kernel.org/patch/38926/ http://secunia.com/advisories/37105 http://www.openwall.com/lists/oss-security/2009/09/18/1 http://www.openwall.com/lists/oss-security/2009/09/21/1 http://www.openwall.com/lists/oss-security/2009/09/22/8 http://www.redhat.com/support/errata/RHSA-2009-1465.html http://www.ubuntu.com/usn/USN-852-1 https://bugzilla.redhat.com/show_bug.cgi?id=524124 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A11328