Date: Sat, 12 May 2018 15:35:24 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 192487] cpucontrol uses unsafe procedure to detect current microcode version Message-ID: <bug-192487-227-sarNaqbohM@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-192487-227@https.bugs.freebsd.org/bugzilla/> References: <bug-192487-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D192487 --- Comment #9 from commit-hook@freebsd.org --- A commit references this bug: Author: emaste Date: Sat May 12 15:34:35 UTC 2018 New revision: 333569 URL: https://svnweb.freebsd.org/changeset/base/333569 Log: cpucontrol: improve Intel microcode revision check According to the Intel SDM (Volme 3, 9.11.7) the BIOS signature MSR should be zeroed before executing cpuid (although in practice it does not seem to matter). PR: 192487 Submitted by: Dan Lukes Reported by: Henrique de Moraes Holschuh MFC after: 3 days Changes: head/usr.sbin/cpucontrol/intel.c --=20 You are receiving this mail because: You are the assignee for the bug.=
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