The kvm_set_msr_common function in arch/x86/kvm/x86.c in the Linux kernel through 3.8.4 does not ensure a required time_page alignment during an MSR_KVM_SYSTEM_TIME operation, which allows guest OS users to cause a denial of service (buffer overflow and host OS memory corruption) or possibly have unspecified other impact via a crafted application.
Publish Date : 2013-03-22 Last Update Date : 2014-01-27
(There is total information disclosure, resulting in all system files being revealed.)
(There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
(There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
(Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
(Authentication is not required to exploit the vulnerability.)
Denial Of ServiceOverflowMemory corruption
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