The person who requested CVE-2013-6885 asked that we send the CVE assignment here because various open-source software will probably be adding code to prevent this denial of service attack. http://support.amd.com/TechDocs/51810_16h_00h-0Fh_Rev_Guide.pdf http://lists.dragonflybsd.org/pipermail/kernel/2011-December/046594.html http://www.zdnet.com/blog/hardware/amd-owns-up-to-cpu-bug/18924 793 Specific Combination of Writes to Write Combined Memory Types and Locked Instructions May Cause Core Hang Under a highly specific and detailed set of internal timing conditions, a locked instruction may trigger a timing sequence whereby the write to a write combined memory type is not flushed, causing the locked instruction to stall indefinitely. Potential Effect on System Processor core hang. Suggested Workaround BIOS should set MSRC001_1020[15] = 1b. No fix planned - -- CVE assignment team, MITRE CVE Numbering Authority M/S M300 202 Burlington Road, Bedford, MA 01730 USA [ PGP key available through http://cve.mitre.org/cve/request_id.html ]