From nobody Wed Jul 13 06:42:59 2022 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 9240D1D094C5 for ; Wed, 13 Jul 2022 06:43:01 +0000 (UTC) (envelope-from grarpamp@gmail.com) Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4LjSjw6Pn8z4NFk for ; Wed, 13 Jul 2022 06:43:00 +0000 (UTC) (envelope-from grarpamp@gmail.com) Received: by mail-pj1-x102f.google.com with SMTP id o5-20020a17090a3d4500b001ef76490983so2036563pjf.2 for ; Tue, 12 Jul 2022 23:43:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=575HzjbPNDpvGJh8y/vFKhF7CqyzY102pT97N1uKQy0=; b=ZSmRPHeuQ6V13x/FZWjGG3izOeX/AFxEf9eEQpcemkYppJUD5iUnzO60NgURJ1dZY1 MjO2wdQEh0iBXhIMP6KLpB8lZryiQbO8N7iznbWhu2SCUwQl0UDFAKf82PvOZ7hHQk1p J6otp56unf/FDAmqa4k9i2UpcwXwxfFKd+AoBcOWGA/D1EnKksO/A4QEXPW8QVs+JgjH PLUY/TyVQvqTi7G9ShzujkeeqYtlpc9dXHVVTx8iNokgAj6krEKskkGVftmUjGWZdp3E CFwEgKFGraGKu3ou9dXcb+/WZkCiSWyczr6PltSoAXsmP3NinHHc2vdnsjO57Qu45u+E 5KDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=575HzjbPNDpvGJh8y/vFKhF7CqyzY102pT97N1uKQy0=; b=Tm2jXgQzdQmur2OyaD3dyW+VWtjrOeWnxlm/LqLOsPT/DyylC+QprqGgWStvstbQZB 4yw6qnT5d6gCL1BO1bCRPi4V1ehtniwR/2iL4cDdXtxzhEl1KjAQe6CLC2NhDIIrWKDy kdwqjie+mm6WADFX22KrwVHRRW4w8LvdHJWa55eLqx5R3GBmLEaqetIOI31AdEXW2VE7 ErS6/NURMc2p1XhL5/yRs1NLlc+JBdLp+snuCwCaTYvmEiU4L+66EIOld6fNxTi6JK7D Ey5q08ekzMyLxhXc1JEVWeljNNWx/iNZMUU7Uq32C6YvnBMSDNyoHKwTQfzvfSh1h1gP Fnqg== X-Gm-Message-State: AJIora/GesfD6ntjm9aova5q91h6QRY27V4EcifHNeQi0w6V1XSKI7jl tA/b41t2DP6xE76hEK3IckcsI3h0u+y/+zS0OFcW9p8Ac5zv4R2O X-Google-Smtp-Source: AGRyM1u5jM+SzYa18A58IxoyWCOeWOwTKUBZg5Qsa8uZw9QrWjIsiVUkx8uPkf8Tm/Je0PnbMHOCK4y2oFF8fUpI4ew= X-Received: by 2002:a17:90b:4c87:b0:1f0:30fa:12bc with SMTP id my7-20020a17090b4c8700b001f030fa12bcmr8655883pjb.66.1657694579587; Tue, 12 Jul 2022 23:42:59 -0700 (PDT) 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 Received: by 2002:a17:903:1cc:b0:16c:4f00:65b3 with HTTP; Tue, 12 Jul 2022 23:42:59 -0700 (PDT) In-Reply-To: <6b8953b3-eaa8-22aa-7dc9-0f07875a9588@sentex.net> References: <6b8953b3-eaa8-22aa-7dc9-0f07875a9588@sentex.net> From: grarpamp Date: Wed, 13 Jul 2022 02:42:59 -0400 Message-ID: Subject: Re: Retbleed, another speculative execution attack To: freebsd-security@freebsd.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 4LjSjw6Pn8z4NFk X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20210112 header.b=ZSmRPHeu; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of grarpamp@gmail.com designates 2607:f8b0:4864:20::102f as permitted sender) smtp.mailfrom=grarpamp@gmail.com X-Spamd-Result: default: False [-3.77 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.96)[-0.957]; NEURAL_HAM_LONG(-0.81)[-0.808]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20210112]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::102f:from]; MLMMJ_DEST(0.00)[freebsd-security]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; DKIM_TRACE(0.00)[gmail.com:+]; MID_RHS_MATCH_FROMTLD(0.00)[]; RCVD_TLS_LAST(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-security@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim] X-ThisMailContainsUnwantedMimeParts: N On 7/12/22, mike tancsa wrote: >> Just wondering how this might impact FreeBSD ? > > https://news.ycombinator.com/item?id=32071949 > > https://comsec.ethz.ch/research/microarch/retbleed/ FreeBSD should keep a wiki table of all these HW attacks with at least three columns... - The exploit - Were mitigations published - Were those or others applied Point everyone there.