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Message-ID: <Z5BYg9WPFBF7JBEB@thinkstation.cmpxchg8b.net>
Date: Tue, 21 Jan 2025 18:31:31 -0800
From: Tavis Ormandy <taviso@...il.com>
To: Open Source Security <oss-security@...ts.openwall.com>
Subject: AMD Microcode Signature Verification Vulnerability
It looks like an OEM leaked the patch for a major upcoming CPU
vulnerability, i.e. "AMD Microcode Signature Verification
Vulnerability":
https://rog.asus.com/motherboards/rog-strix/rog-strix-x870-i-gaming-wifi/helpdesk_bios/
I'm not thrilled about this - the patch is *not* currently in
linux-firmware, so this is the only publicly available patch.
However, other people are discussing how to extract them:
https://winraid.level1techs.com/t/offer-intel-amd-via-cpu-microcode-archives-1995-present/102857/53
Tavis.
--
_o) $ lynx lock.cmpxchg8b.com
/\\ _o) _o) $ finger taviso@....org
_\_V _( ) _( ) @taviso
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