From nobody Wed Jul 26 22:49:49 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 4RB8HH4Kmnz4pVjn for ; Wed, 26 Jul 2023 22:50:03 +0000 (UTC) (envelope-from 0x1eef@protonmail.com) Received: from mail-40133.protonmail.ch (mail-40133.protonmail.ch [185.70.40.133]) (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 RSA-PSS (4096 bits) client-digest SHA256) (Client CN "protonmail.com", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4RB8HH1SrVz3pcY for ; Wed, 26 Jul 2023 22:50:03 +0000 (UTC) (envelope-from 0x1eef@protonmail.com) Authentication-Results: mx1.freebsd.org; none Date: Wed, 26 Jul 2023 22:49:49 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail3; t=1690411799; x=1690670999; bh=8wl+XzdVh1JTcu+dvaigOITJ3EyJI28VKisb+pHu/2g=; h=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References: Feedback-ID:From:To:Cc:Date:Subject:Reply-To:Feedback-ID: Message-ID:BIMI-Selector; b=MzH/1ofVBN5wzDwad2A0J0TDGQDKF/R9g64v3SXgEHGi96FE1ALR6MCtFCtCC79rU MDVscngeqgxlLmNN55Ipd8PGoWPFm0H+VMBcY/vTUFcJqyRtXlLMmY97rjGJVW/Z3V vIjhm1l5MeEsr8c5cIniXVU2V2L33kZ+K3nH1wmcPJN0riDrm+c+9qnrpIOY0l4LLW AKnKSoPS+0BweWiXL1qd4d413ipXPoNhG1XJ9QTse3FD8y0tHKyVVTph2NpB8TTHNe 8Ya+hOPi8zuV3eH0wEhQfpzQKalehFrhJbO9ztLNhjByCum57YLuYdgxWntzbiZYbU OBXNJzx6UxvPg== To: Konstantin Belousov From: 0x1eef <0x1eef@protonmail.com> Cc: "freebsd-security@freebsd.org" Subject: Re: Zenbleed Message-ID: In-Reply-To: References: Feedback-ID: 39071764:user:proton 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 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 4RB8HH1SrVz3pcY X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:62371, ipnet:185.70.40.0/24, country:CH] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated > The chicken bit workaround is > # for x in /dev/cpuctl*; do cpucontrol -m '0xc0011029|=3D0x200' $x; done > there is nothing to wait for. It is silly to push this into kernel when > recommended solution is ucode update. Great ! Thanks. 0x1eef