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 D4E5321576E; Mon, 27 Oct 2025 19:33:15 +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=1761593595; cv=none; b=ec4oUx+1eFL+hCTfOB+bhQnz+/q/lJ9YU8mxth3s7QVUzq2YoZ/lKpN6e1D4O/ISIP7y4KElBEAtQ1T1jete9QCxzsNIsJbCIU3GwvbFxdoECuDGws+ooMl7F2vg+hglR/4ieclLDZWbdJR2nAcm4EWA4XP/LUG4n2ksvQCuWTs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761593595; c=relaxed/simple; bh=fhx0lFr5NRj1aGpOjFKjca+rOJSVFg3ZgqRCe7lTkNU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KE6i42XLStdHp2G/ccuOjB6g3XhxlMIDBrWZlFgLxNmUoI/RftJRHh8muqBj1NF9Nhtr+ED6x/9Epqi2gsHhLpDU1tc7L/FrmLoK2MvI5BNMiF7ilHJ0vqcPmpAlJ+UzisXKr0jqxOtrcLRsKiqYL865e5ieoPZ3G0+hl0kb1/4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=veUurOsE; 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="veUurOsE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 61879C4CEF1; Mon, 27 Oct 2025 19:33:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1761593595; bh=fhx0lFr5NRj1aGpOjFKjca+rOJSVFg3ZgqRCe7lTkNU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=veUurOsEqT6ljQOXchOjWQS8MfTeYr5K/Ut9HSkDe8E57VLAU3Px8WZmZ3K2jmC1A 4l5lykJ9E642ALE0+YxkRMj4ufRr71GUIaFH9DleGrIOfvQ/0nsWcOHM83MVLxDoDD gYfuqhHAlYatrIUspMnHBoCbAUykFlLYrDyUIatY= 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 6.17 156/184] x86/microcode: Fix Entrysign revision check for Zen1/Naples Date: Mon, 27 Oct 2025 19:37:18 +0100 Message-ID: <20251027183519.127003109@linuxfoundation.org> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20251027183514.934710872@linuxfoundation.org> References: <20251027183514.934710872@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.17-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 @@ -194,7 +194,7 @@ 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;