From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3A24D31DDBC; Mon, 27 Oct 2025 19:19:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761592769; cv=none; b=FZUtksythfSqGrcqW0KvnRIivAq+9mC7tAjo4nuX79wrHnWsWLYK/wzBr5dVUTvjqBYV6XXKJA/ZC+k0aeuqCoRWjwxT2CabzU7GJfJKKl4FI+ZojUl1WhCeNu4KcVumlw9b5tqQJfQX4ZSuGB341Ea8qK1RnRQ29gAWSbkcEcY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761592769; c=relaxed/simple; bh=qc1N7B/sNFGKTKuRQ/Dt2g5EZszUIz0633V4CXvokt0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hQyaP3YY8FdbsL2Ja6YUKPmkzxQK7M9X+3Zg9T1RX1nIDWkQ4DPWEZQyL24wiXXJetHCDOeH3HJXmN12WVccHGYplAcarNmZ4SI8dl8UgpqPYn+CRaS0dHoS0kFnUM6M3nd+8ngtpfgigPyF7dIkxOcMsC5pf9w2XjwG3vRB8FQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=MszkrkCa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="MszkrkCa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C2187C4CEF1; Mon, 27 Oct 2025 19:19:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1761592769; bh=qc1N7B/sNFGKTKuRQ/Dt2g5EZszUIz0633V4CXvokt0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MszkrkCa79rhnCxFAnEoErd/RWIy/kLUjEg6QeN2BV2V1qB0/qKQAXbP0tdJlaPlt ZRcCFDJb1le/0XIt8mirproUi511PC5y4K7/2k4dJawX8t5YUy9TfDfsSeEYU87L7m mORb8PQwLUU9xLM63kTBKOuKkAUJu6uFnDUsY5lY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Andrew Cooper , "Borislav Petkov (AMD)" , stable@kernel.org Subject: [PATCH 6.6 65/84] x86/microcode: Fix Entrysign revision check for Zen1/Naples Date: Mon, 27 Oct 2025 19:36:54 +0100 Message-ID: <20251027183440.545287579@linuxfoundation.org> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20251027183438.817309828@linuxfoundation.org> References: <20251027183438.817309828@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Andrew Cooper commit 876f0d43af78639790bee0e57b39d498ae35adcf upstream. ... to match AMD's statement here: https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7033.html Fixes: 50cef76d5cb0 ("x86/microcode/AMD: Load only SHA256-checksummed patches") Signed-off-by: Andrew Cooper Signed-off-by: Borislav Petkov (AMD) Cc: Link: https://patch.msgid.link/20251020144124.2930784-1-andrew.cooper3@citrix.com Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/cpu/microcode/amd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -184,7 +184,7 @@ 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;