From: Mario Limonciello (AMD) Date: Thu, 6 Nov 2025 18:28:54 +0000 (-0600) Subject: x86/microcode/AMD: Add more known models to entry sign checking X-Git-Tag: v6.17.8~37 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=62e15fd31c9e22dab53abffe69aa115614dfb112;p=thirdparty%2Fkernel%2Fstable.git x86/microcode/AMD: Add more known models to entry sign checking commit d23550efc6800841b4d1639784afaebdea946ae0 upstream. Two Zen5 systems are missing from need_sha_check(). Add them. Fixes: 50cef76d5cb0 ("x86/microcode/AMD: Load only SHA256-checksummed patches") Signed-off-by: Mario Limonciello (AMD) Signed-off-by: Borislav Petkov (AMD) Cc: Link: https://patch.msgid.link/20251106182904.4143757-1-superm1@kernel.org Signed-off-by: Greg Kroah-Hartman --- diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index ad66eb83b96af..995360a1f30ee 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -220,10 +220,12 @@ static bool need_sha_check(u32 cur_rev) case 0xaa001: return cur_rev <= 0xaa00116; break; case 0xaa002: return cur_rev <= 0xaa00218; break; case 0xb0021: return cur_rev <= 0xb002146; break; + case 0xb0081: return cur_rev <= 0xb008111; break; case 0xb1010: return cur_rev <= 0xb101046; break; case 0xb2040: return cur_rev <= 0xb204031; break; case 0xb4040: return cur_rev <= 0xb404031; break; case 0xb6000: return cur_rev <= 0xb600031; break; + case 0xb6080: return cur_rev <= 0xb608031; break; case 0xb7000: return cur_rev <= 0xb700031; break; default: break; }