From nobody Wed Sep 04 15:51:07 2024 X-Original-To: dev-commits-src-all@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 4WzRmX3hhWz5V7cZ; Wed, 04 Sep 2024 15:51:08 +0000 (UTC) (envelope-from git@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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4WzRmX00ZKz4TQX; Wed, 4 Sep 2024 15:51:08 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1725465068; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=CuhWemC+pMPyJFaK21jNGEEBzNov8s36oRM1GCHf7E8=; b=xCat2HeQ0HJ9WqQRaTdjwHjBw80YBc5a6XhCMp1xLDYfPkqvKPmt4OEmVgTGjX2k2ndPtv hn4odyTnp5zXZY4el65lKUkJbJtV9hKz2xYHekzB3I2stBhbG4rqpNRaDXAPvmJXC8mfrO GbzjFI+qE4jp7UHXTijqujVfrLfEzU7aq2CDx4BfYsxOnN15Iu6ncs4Kf/bE1ztmSZ0rki b6jfz3haD8Enp+pC+bBMj8R044+UF+ivVfJeKVfKDmN+VTMqYlYl5lEeRUCOPP2htU2ge7 9rkmKhv4VPgf/+cY1+03+qz4YJOlyEC1C8lAFbxR27lhdwGG6RuogNJswDpx2g== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1725465068; a=rsa-sha256; cv=none; b=bSTwyArravFSi8A+TJgNeP4O0fF5f93SyTepu+1S7ORJJYQiCnSY7GPcveG46R5pSDZO9F Npnn3OPrNaIK7dVgGGw0Buf175fM8Vgu/OUhs7rdDhs/kbWuhVtVHPlIz4MbJubEqkpy0q dYTZD9IAmfaOQo7t7q6FPwj6Ss2EwTuoDWHeJgtRNzEazZNUTLq8kttoYM9s19uDf+26nr VK3UbK1XP1RcGtfO0x2/B9uiSBb4WxH7MOyXzsoYlFCYt9XZBwzbz/AIOrqCJabPKgKpLe C2k5lCBesUmhRhWUPG+ovojD9wij7Q8AavO04Gaq/wN6fZg2Jahn6QnN8nDtWw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1725465068; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=CuhWemC+pMPyJFaK21jNGEEBzNov8s36oRM1GCHf7E8=; b=aztir3/bhMJoGd3FyCTgX0xqbOOqtYntdt2WVFRQ/63ChI0fvK2q/1p69ttpayRMBCnghW CIwvycuMECWCnJw0O3Nd3FtbI6EhIVCtWz1bFVi6JwJ47B7Fd5d+ZIIN41UmGQrXvAAzpI EfTB482ptjjnXpmNy4Ht686EsYs10SJxsnignah5AgB9RML3ILh68g+w7VyOhmzUC5wsSb YEaxQ2LuM8DzHzxpmf1eTAYTtFduPWIuqG7ur1zaEryHeSdphjhbMgEHy3gKbmQZXNFhuT RSOsmvlOBVQNoSmO0HCGPd5NTzchlSa8pCXH2yrjND4qffNjR8SjlqdCWNtuxQ== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (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 did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4WzRmW5bWxzWN4; Wed, 4 Sep 2024 15:51:07 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 484Fp7sL015581; Wed, 4 Sep 2024 15:51:07 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 484Fp7gJ015579; Wed, 4 Sep 2024 15:51:07 GMT (envelope-from git) Date: Wed, 4 Sep 2024 15:51:07 GMT Message-Id: <202409041551.484Fp7gJ015579@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Ed Maste Subject: git: 803e0c2ab29b - stable/14 - ctl: fix Out-Of-Bounds access in ctl_report_supported_opcodes List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: emaste X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: 803e0c2ab29bb6b715c38e82da4930d46590e8e0 Auto-Submitted: auto-generated The branch stable/14 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=803e0c2ab29bb6b715c38e82da4930d46590e8e0 commit 803e0c2ab29bb6b715c38e82da4930d46590e8e0 Author: Pierre Pronchery AuthorDate: 2024-09-04 14:38:12 +0000 Commit: Ed Maste CommitDate: 2024-09-04 14:59:53 +0000 ctl: fix Out-Of-Bounds access in ctl_report_supported_opcodes This vulnerability is directly accessible to a guest VM through the pci_virtio_scsi bhyve device. In the function ctl_report_supported_opcodes() accessible from the VM, the option RSO_OPTIONS_OC_ASA does not check the requested service_action value before accessing &ctl_cmd_table[]. Reported by: Synacktiv Reviewed by: asomers Security: FreeBSD-SA-24:11.ctl Security: CVE-2024-42416 Security: HYP-06 Sponsored by: The Alpha-Omega Project Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D46027 (cherry picked from commit af438acbfde3d25dbdc82b2b3d72380f0191e9d9) --- sys/cam/ctl/ctl.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/sys/cam/ctl/ctl.c b/sys/cam/ctl/ctl.c index b9013e84ef83..0e0d79d15d8f 100644 --- a/sys/cam/ctl/ctl.c +++ b/sys/cam/ctl/ctl.c @@ -7514,20 +7514,19 @@ ctl_report_supported_opcodes(struct ctl_scsiio *ctsio) case RSO_OPTIONS_OC_SA: if ((ctl_cmd_table[opcode].flags & CTL_CMD_FLAG_SA5) == 0 || service_action >= 32) { - ctl_set_invalid_field(/*ctsio*/ ctsio, - /*sks_valid*/ 1, - /*command*/ 1, - /*field*/ 2, - /*bit_valid*/ 1, - /*bit*/ 2); - ctl_done((union ctl_io *)ctsio); - return (CTL_RETVAL_COMPLETE); + goto invalid; } - /* FALLTHROUGH */ + total_len = sizeof(struct scsi_report_supported_opcodes_one) + 32; + break; case RSO_OPTIONS_OC_ASA: + if ((ctl_cmd_table[opcode].flags & CTL_CMD_FLAG_SA5) != 0 && + service_action >= 32) { + goto invalid; + } total_len = sizeof(struct scsi_report_supported_opcodes_one) + 32; break; default: +invalid: ctl_set_invalid_field(/*ctsio*/ ctsio, /*sks_valid*/ 1, /*command*/ 1,