From owner-freebsd-security@freebsd.org Tue May 17 22:59:30 2016 Return-Path: Delivered-To: freebsd-security@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 541A5B40A3F for ; Tue, 17 May 2016 22:59:30 +0000 (UTC) (envelope-from asomers@gmail.com) Received: from mail-oi0-x241.google.com (mail-oi0-x241.google.com [IPv6:2607:f8b0:4003:c06::241]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 199281298 for ; Tue, 17 May 2016 22:59:30 +0000 (UTC) (envelope-from asomers@gmail.com) Received: by mail-oi0-x241.google.com with SMTP id w198so6355169oiw.2 for ; Tue, 17 May 2016 15:59:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to; bh=pFbCoSCDNBk0MTMCifnDrXmani9T2DVFgJqA+SDuCns=; b=G+m2VzIA1laAblvYSY3ar9qHhxk4xP6NriBnoJ6J6bXhQHP01ucQ8YmaRHU1I9UZee vy28EpAP+sKfJ4NUBFLK0w79V5pcWXchXkx1mZeyL3OifJQAxhj3ooQ3XAvN08qh9C4s 5gI5dYRJXydWTBIU6KEIOu6rv6TMd2gVYAqyoI6Tyx4qU1NaF460p5z79/7su6/236Oh w123IPCZwtAsbFjiNidUyJCu8GM9smEApCPlchDcBWnDTG0aYAY5UNEGd7FIvnt72Wjz MAGo9/whR5xb8FZbm9pnync+MiXBEALIAn63KqIVHFzGGrD0nuShlC9YVmQjrn4E29o4 8/Rw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:date :message-id:subject:from:to; bh=pFbCoSCDNBk0MTMCifnDrXmani9T2DVFgJqA+SDuCns=; b=hzYkmOsdv4qYEJSnSPd+26sVxihtdAzSxOGgwgsixEcSFn7giqR+NapoeVy/+ttpPR 0SAgOEFudzYrQ+BDjxqbQSb7v/PKoa3Ipir4qG11ywpCz2sfPdd2LjLN6fPZGFYktZic M3O/RhYDh0sx2fZPwn0UJQ+PyJEA2sOUQ//nJL0jTw5faYTqKJdm/SJz+QLm7ldODlet ZdZ/n2ULcg/kbJoPvCNisJJQ/RPbQhjDpP63+QUlE2IUZ1Da9XQHndH76Mqw+N2O503k vuoYU9cV+4X0uZvq39LZwzcUJAKviWpLoLGzCg/ggZHdlo42J8Xy33GXN+Qsas4z/RQA oEow== X-Gm-Message-State: AOPr4FW9hNPw6uPuNWVAlqC87WcHmRwc4daxbrWZ1j4Gzpl5twq+cTeecnEDeLIIol6B/ZsS1+ErkNZOuer7tg== MIME-Version: 1.0 X-Received: by 10.157.37.230 with SMTP id q93mr2303074ota.10.1463525969342; Tue, 17 May 2016 15:59:29 -0700 (PDT) Sender: asomers@gmail.com Received: by 10.202.4.6 with HTTP; Tue, 17 May 2016 15:59:29 -0700 (PDT) In-Reply-To: <20160517224018.0DCD219CC@freefall.freebsd.org> References: <20160517224018.0DCD219CC@freefall.freebsd.org> Date: Tue, 17 May 2016 16:59:29 -0600 X-Google-Sender-Auth: WVdg9eX8CV8IeWgwA2anmAGdYiI Message-ID: Subject: Re: [FreeBSD-Announce] FreeBSD Security Advisory FreeBSD-SA-16:19.sendmsg From: Alan Somers To: freebsd-security@freebsd.org X-Mailman-Approved-At: Tue, 17 May 2016 23:47:33 +0000 Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.22 X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 May 2016 22:59:30 -0000 I think you put the wrong revision numbers in here. Revision 300093 is the kbd fix for stable/9. 300092 is the right revision for the sendmsg fix in stable/10. On Tue, May 17, 2016 at 4:40 PM, FreeBSD Security Advisories < security-advisories@freebsd.org> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA512 > > > ============================================================================= > FreeBSD-SA-16:19.sendmsg Security > Advisory > The FreeBSD > Project > > Topic: Incorrect argument handling in sendmsg(2) > > Category: core > Module: kernel > Announced: 2016-05-17 > Credits: CTurt and the HardenedBSD team > Affects: FreeBSD 10.x > Corrected: 2016-05-17 22:30:43 UTC (stable/10, 10.3-STABLE) > 2016-05-17 22:28:27 UTC (releng/10.3, 10.3-RELEASE-p3) > 2016-05-17 22:28:20 UTC (releng/10.2, 10.2-RELEASE-p17) > 2016-05-17 22:28:11 UTC (releng/10.1, 10.1-RELEASE-p34) > CVE Name: CVE-2016-1887 > > For general information regarding FreeBSD Security Advisories, > including descriptions of the fields above, security branches, and the > following sections, please visit . > > I. Background > > The sendmsg(2) system call allows to send data to a socket. The data > may be accompanied by optional ancillary data. > > II. Problem Description > > Incorrect argument handling in the socket code allows malicious local > user to overwrite large portion of the kernel memory. > > III. Impact > > Malicious local user may crash kernel or execute arbitrary code in the > kernel, > potentially gaining superuser privileges. > > IV. Workaround > > No workaround is available. > > V. Solution > > Perform one of the following: > > 1) Upgrade your vulnerable system to a supported FreeBSD stable or > release / security branch (releng) dated after the correction date. > > Reboot is required. > > 2) To update your vulnerable system via a binary patch: > > Systems running a RELEASE version of FreeBSD on the i386 or amd64 > platforms can be updated via the freebsd-update(8) utility: > > # freebsd-update fetch > # freebsd-update install > > Reboot is required. > > 3) To update your vulnerable system via a source code patch: > > The following patches have been verified to apply to the applicable > FreeBSD release branches. > > a) Download the relevant patch from the location below, and verify the > detached PGP signature using your PGP utility. > > # fetch https://security.FreeBSD.org/patches/SA-16:19/sendmsg.patch > # fetch https://security.FreeBSD.org/patches/SA-16:19/sendmsg.patch.asc > # gpg --verify sendmsg.patch.asc > > b) Apply the patch. Execute the following commands as root: > > # cd /usr/src > # patch < /path/to/patch > > c) Recompile your kernel as described in > and reboot the > system. > > VI. Correction details > > The following list contains the correction revision numbers for each > affected branch. > > Branch/path Revision > - ------------------------------------------------------------------------- > stable/10/ r300093 > releng/10.1/ r300085 > releng/10.2/ r300086 > releng/10.3/ r300087 > - ------------------------------------------------------------------------- > > To see which files were modified by a particular revision, run the > following command, replacing NNNNNN with the revision number, on a > machine with Subversion installed: > > # svn diff -cNNNNNN --summarize svn://svn.freebsd.org/base > > Or visit the following URL, replacing NNNNNN with the revision number: > > > > VII. References > > > > > The latest revision of this advisory is available at > > -----BEGIN PGP SIGNATURE----- > > iQIcBAEBCgAGBQJXO50VAAoJEO1n7NZdz2rnWOAP/RyUks4Xf30YVGra+bHUjOsw > gFQEJ7HNNJHkkaJ5l0LpVh87YQxr7VXnlddskDRcL6MDf7IjW5bkpw+875iEFz93 > VykCN+1l84D0WlXAi9YZwg1GWoQs3SBfNpT1dtr9GuqJYAAeBfvMydJI1jHbJzJJ > 7inDzgvhfPOaq8wQBfjXbUN0GgYiz6dJc3xir4+4JRw0C9sgzh1pI14o1oREJbZ0 > glmHRCpuijndqluabl7rF19mSSDyF0AV7RqDCZIt7AkYHWvR1yLl4o0LGGBYCLXx > iArz2ayzbAqBVw1JktVHzGx0HuVpobxb/yOpDuYBcaxtSL6riuSYrkzHp0Dca+JT > 0/qENdMnXDN98ZMBcvVR66uWUuTVEF3/T2LXCi6G+RllrcoavvLqrcjghqT5k84P > jmAjO3Q3rIeAinjArfyexHo/f/A5CHGJylsY0FZd41A35xWaYg/dd0cT+8qsoigD > 65Ix+/6AOIjocqqQToFXiHKBCN5unwrn/UT5heU0K3ZqESGmxUrx+6yJ3mjDjtLh > C7zWcNaJu1whcT7e4eKx9vMlAFFt6OrSnr1V09KnqPiHPtIu95PZhGlrizlZVELQ > 8fKHoycOkT5F+00CWzcQuZK+l9p5iT5aWGkhunwvR7EKzqvgEFbDDpaJ5QzKTNTl > lJXypb8SMlol4YY8Spdo > =wuhi > -----END PGP SIGNATURE----- > _______________________________________________ > freebsd-announce@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-announce > To unsubscribe, send any mail to "freebsd-announce-unsubscribe@freebsd.org > " >