6.12-stable review patch. If anyone has any objections, please let me know.

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From: Borislav Petkov (AMD) bp@alien8.de

commit dd14022a7ce96963aa923e35cf4bcc8c32f95840 upstream.

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 andrew.cooper3@citrix.com Signed-off-by: Borislav Petkov (AMD) bp@alien8.de Cc: stable@kernel.org Link: https://lore.kernel.org/r/e94dd76b-4911-482f-8500-5c848a3df026@citrix.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/x86/kernel/cpu/microcode/amd.c | 1 + 1 file changed, 1 insertion(+)

--- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -212,6 +212,7 @@ 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;