From dd14022a7ce96963aa923e35cf4bcc8c32f95840 Mon Sep 17 00:00:00 2001 From: "Borislav Petkov (AMD)" Date: Fri, 14 Nov 2025 14:01:14 +0100 Subject: [PATCH] x86/microcode/AMD: Add Zen5 model 0x44, stepping 0x1 minrev Add the minimum Entrysign revision for that model+stepping to the list of minimum revisions. Fixes: 50cef76d5cb0 ("x86/microcode/AMD: Load only SHA256-checksummed patches") Reported-by: Andrew Cooper Signed-off-by: Borislav Petkov (AMD) Cc: Link: https://lore.kernel.org/r/e94dd76b-4911-482f-8500-5c848a3df026@citrix.com --- arch/x86/kernel/cpu/microcode/amd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index dc82153009da..a881bf4c2011 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -224,6 +224,7 @@ static bool need_sha_check(u32 cur_rev) case 0xb1010: return cur_rev <= 0xb101046; break; case 0xb2040: return cur_rev <= 0xb204031; break; case 0xb4040: return cur_rev <= 0xb404031; break; + case 0xb4041: return cur_rev <= 0xb404101; break; case 0xb6000: return cur_rev <= 0xb600031; break; case 0xb6080: return cur_rev <= 0xb608031; break; case 0xb7000: return cur_rev <= 0xb700031; break; -- 2.47.3