Date: Wed, 27 Nov 2013 21:23:37 -0500 (EST) From: cve-assign@...re.org To: oss-security@...ts.openwall.com Cc: cve-assign@...re.org Subject: CVE-2013-6885 AMD Publ. 51810 Errata 793 system hang -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 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 = 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 ] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (SunOS) iQEcBAEBAgAGBQJSlqj0AAoJEKllVAevmvmsDbEH/iqJkLRAEIAvUYExwqhvC61N /Td6GRxx9O8anj6fqn73slSUGJ5SM+SPaZ/8ZFwG7SMg1MzZEbMmzLAm3RON86Ru cM58GDw395sxepmCOWIGUx0dWa5s7n8hhvq2YxPv53GACorTtpmUM5g5HkcR//yR ipmQCmtQ86vwAQg9m+ZywKexy1DG8bsx3YmuMSkl+5jLkKkLaBGU78AiLJKzqDns Wq5Bt6uVpqo6y+ORxIlDl5OP1TOLsoyIiHM+94hEpdp472gKOoF20laqaIpK9nTU 0/VK2Tp9UqCA7LC+4KbEbKS4SudN8OKAFBcobXIofBpcI13d90Eoii4QqSzjP9s= =sAu5 -----END PGP SIGNATURE-----
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