From owner-svn-src-head@freebsd.org Wed Jul 24 16:51:15 2019 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 809D7B1E14; Wed, 24 Jul 2019 16:51:15 +0000 (UTC) (envelope-from emaste@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 614B48E014; Wed, 24 Jul 2019 16:51:15 +0000 (UTC) (envelope-from emaste@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 2E90019561; Wed, 24 Jul 2019 16:51:15 +0000 (UTC) (envelope-from emaste@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x6OGpFsH016250; Wed, 24 Jul 2019 16:51:15 GMT (envelope-from emaste@FreeBSD.org) Received: (from emaste@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x6OGpFDr016249; Wed, 24 Jul 2019 16:51:15 GMT (envelope-from emaste@FreeBSD.org) Message-Id: <201907241651.x6OGpFDr016249@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: emaste set sender to emaste@FreeBSD.org using -f From: Ed Maste Date: Wed, 24 Jul 2019 16:51:15 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r350294 - head/sys/netpfil/pf X-SVN-Group: head X-SVN-Commit-Author: emaste X-SVN-Commit-Paths: head/sys/netpfil/pf X-SVN-Commit-Revision: 350294 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 614B48E014 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.97)[-0.968,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Jul 2019 16:51:15 -0000 Author: emaste Date: Wed Jul 24 16:51:14 2019 New Revision: 350294 URL: https://svnweb.freebsd.org/changeset/base/350294 Log: pf: zero output buffer in pfioctl Avoid potential structure padding leak. Reported by: Vlad Tsyrklevich Reviewed by: kp MFC after: 3 days Security: Potential kernel memory disclosure Sponsored by: The FreeBSD Foundation Modified: head/sys/netpfil/pf/pf_ioctl.c Modified: head/sys/netpfil/pf/pf_ioctl.c ============================================================================== --- head/sys/netpfil/pf/pf_ioctl.c Wed Jul 24 16:10:20 2019 (r350293) +++ head/sys/netpfil/pf/pf_ioctl.c Wed Jul 24 16:51:14 2019 (r350294) @@ -2169,7 +2169,7 @@ relock_DIOCKILLSTATES: break; } - p = pstore = malloc(ps->ps_len, M_TEMP, M_WAITOK); + p = pstore = malloc(ps->ps_len, M_TEMP, M_WAITOK | M_ZERO); nr = 0; for (i = 0; i <= pf_hashmask; i++) {