The microcode on AMD 16h 00h through 0Fh processors does not properly
handle the interaction between locked instructions and write-combined
memory types, which allows local users to cause a denial of service
(system hang) via a crafted application, aka the errata 793 issue.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[kernel] 20111225 Buildworld loop seg-fault update -- I believe it is hardware
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