From nobody Wed Aug 9 07:30:54 2023 X-Original-To: freebsd-security@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4RLMDS35jTz4mLP1 for ; Wed, 9 Aug 2023 07:31:04 +0000 (UTC) (envelope-from stb@lassitu.de) Received: from gilb.zs64.net (gilb.zs64.net [212.12.50.234]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature ECDSA (P-256) client-digest SHA256) (Client CN "gilb.zs64.net", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4RLMDR4wjZz4SRy for ; Wed, 9 Aug 2023 07:31:03 +0000 (UTC) (envelope-from stb@lassitu.de) Authentication-Results: mx1.freebsd.org; dkim=none; spf=pass (mx1.freebsd.org: domain of stb@lassitu.de designates 212.12.50.234 as permitted sender) smtp.mailfrom=stb@lassitu.de; dmarc=none Received: by gilb.zs64.net (Postfix, from stb@lassitu.de) id ECFA65431D7 for ; Wed, 9 Aug 2023 07:30:54 +0000 (UTC) From: Stefan Bethke Content-Type: multipart/signed; boundary="Apple-Mail=_272FD8A3-EE26-4106-8340-EC5AC5A72307"; protocol="application/pgp-signature"; micalg=pgp-sha512 List-Id: Security issues List-Archive: https://lists.freebsd.org/archives/freebsd-security List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-security@freebsd.org X-BeenThere: freebsd-security@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3731.700.6\)) Subject: Downfall microcode update Message-Id: Date: Wed, 9 Aug 2023 09:30:54 +0200 To: freebsd-security@freebsd.org X-Mailer: Apple Mail (2.3731.700.6) X-Spamd-Result: default: False [-4.78 / 15.00]; SIGNED_PGP(-2.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.98)[-0.982]; MV_CASE(0.50)[]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; R_SPF_ALLOW(-0.20)[+mx]; ONCE_RECEIVED(0.10)[]; MLMMJ_DEST(0.00)[freebsd-security@freebsd.org]; RCVD_TLS_LAST(0.00)[]; R_DKIM_NA(0.00)[]; ASN(0.00)[asn:13135, ipnet:212.12.48.0/21, country:DE]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FROM_EQ_ENVFROM(0.00)[]; DMARC_NA(0.00)[lassitu.de]; RCPT_COUNT_ONE(0.00)[1]; FROM_HAS_DN(0.00)[]; FREEFALL_USER(0.00)[stb]; ARC_NA(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-security@freebsd.org]; HAS_ATTACHMENT(0.00)[]; TO_DN_NONE(0.00)[]; RCVD_COUNT_ONE(0.00)[1] X-Spamd-Bar: ---- X-Rspamd-Queue-Id: 4RLMDR4wjZz4SRy --Apple-Mail=_272FD8A3-EE26-4106-8340-EC5AC5A72307 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii https://downfall.page/#faq Apparently, Intel will be issuing a microcode update for this. What is = the recommended way to automatically apply these during boot? I see that = I have cpupdate-g20180513_4 installed, which appears to be maintained = despite the scarily old date in the version number :-) = https://www.freshports.org/sysutils/cpupdate/ The servers I'm concerned about are old enough to not receive BIOS = updates ever again. Thanks, Stefan -- Stefan Bethke Fon +49 151 14070811 --Apple-Mail=_272FD8A3-EE26-4106-8340-EC5AC5A72307 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEJ+hF98o4r3eU/HiPD885WK4W4sEFAmTTQK4ACgkQD885WK4W 4sFXjwgAh8Ej1/h4BFPH8T5QXOgPIVGnemr7PN/yVGbLglsG4SYtRkdseNivn46P MX6hNnS5a5CX4fE0QyTpMZFYsF6ZHnh9OKVVkliKIbqcA0bEEgLbu+QQp8bMQlJ1 WeiQeZQxN4qr/pteJHvmyUxe25prdyscMdhjNMwgI+EvaM89roY61Qqw5407NxsE zdssXWhii7agYzT/0cNXyl+2LZpX/rnzCQYHjbb2okHlMfoo2M7W7PsPR6m3cJJb KAXY7QtzeUh3fUgtazCXofx2aNA9T4vxRl3Na9dueBawi8XcFqFDO+URKOQFrLeW IkIYTrQ27n8HNzOM3dJ0FS+eppG/aA== =FvnA -----END PGP SIGNATURE----- --Apple-Mail=_272FD8A3-EE26-4106-8340-EC5AC5A72307--