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x86/microcode: Fix Entrysign revision check for Zen1/Naples

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... to match AMD's statement here:

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7033.html

Fixes: 50cef76d5c ("x86/microcode/AMD: Load only SHA256-checksummed patches")
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Link: https://patch.msgid.link/20251020144124.2930784-1-andrew.cooper3@citrix.com
This commit is contained in:
Andrew Cooper 2025-10-20 15:41:24 +01:00 committed by Borislav Petkov (AMD)
parent 19de7113bf
commit 876f0d43af
1 changed files with 1 additions and 1 deletions
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arch/x86/kernel/cpu/microcode/amd.c
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@ -194,7 +194,7 @@ static bool need_sha_check(u32 cur_rev)
}
switch (cur_rev >> 8) {
case 0x80012: return cur_rev <= 0x800126f; break;
case 0x80012: return cur_rev <= 0x8001277; break;
case 0x80082: return cur_rev <= 0x800820f; break;
case 0x83010: return cur_rev <= 0x830107c; break;
case 0x86001: return cur_rev <= 0x860010e; break;