x86/microcode/AMD: Add Zen5 model 0x44, stepping 0x1 minrev

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>

diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 995360a1f30ee02b6781cb1de8b20b3b0dc14755..c5363e6563798d9a088b3aba675e3aa8c2f3e36e 100644 (file)
--- 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;