From nobody Wed Sep 6 04:53:26 2023 X-Original-To: bugs@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 4RgVPf4pf9z4sM4K for ; Wed, 6 Sep 2023 04:53:26 +0000 (UTC) (envelope-from bugzilla-noreply@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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4RgVPf3c3dz3W8l for ; Wed, 6 Sep 2023 04:53:26 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1693976006; a=rsa-sha256; cv=none; b=hGabU6myXbKHY2x2Q6dRLTjGjouFI3w/pUYxLrDRYjO2pLALhLVlNRc23BWxr639nOjKrW piJsp3xZ0VGiDpY+Dng/cXE2Y/E66weosXugJr+bO9QTtqT32YbmFSwagioV79+LqYaO9J mPYEPyBV29J+WaF1vHrnmYiATx0T3SE0WVX1RUk3dsHkHR8gNHSjMAM7J6G3NVrgWbAHZ0 f4/ofY/w6jTCrp+XUqd+10I731cAo5DLsavbhfuozq3hr6FxMiXLKG7Pazk5SNJPaLAmEE R5p9YFPqtBcG2qRBT9zFyKTKoipHjTTPOARvlY5PGvGemlqpIwwr9/20sdy0aw== 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=1693976006; 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: in-reply-to:in-reply-to:references:references; bh=+Yjf07VHnDt/kw/3DL1/e1uUOTxcl5uTURWClH8B7/c=; b=aitU9yWUV8EVgqK8Mr/YpKm8uZ0CHRHxL7idlhQ1TfmwsbzGsO4ftwP25tv4/q+vzusuo6 Mpn/Cpvlifyw53CHCgRdmlLu46Rt9HDO+2vesvO8cRig6jS4TJAaBo8trjCW5hZLged0qN I+TL0ddxrMDRa5xBZJ4oSPgYt5Pq7jdgxwS6ta4J55fgJVTTgjZAMn9pUSVmQJPGSpeqBN 5B8/5al4aBcVSJAualnaWZ1iusAglHW3GVD8YNkNyR2SnKpDd/fhvsfftfPItMgKtSXTHa 42aEJriu4soX7uGsCvTxshHtu5UYK7KD27NrwsM5YYwZXeqWE06sKTHW8QTAEA== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (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 4RgVPf2fMgz12qX for ; Wed, 6 Sep 2023 04:53:26 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 3864rQJd024631 for ; Wed, 6 Sep 2023 04:53:26 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 3864rQlD024630 for bugs@FreeBSD.org; Wed, 6 Sep 2023 04:53:26 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 266562] malicious Linux LVM label can cause crash during taste Date: Wed, 06 Sep 2023 04:53:26 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D266562 --- Comment #8 from commit-hook@FreeBSD.org --- A commit in branch stable/12 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D70e32e5b52d9b34bdc205f04a616998ef= fc493b0 commit 70e32e5b52d9b34bdc205f04a616998effc493b0 Author: Zhenlei Huang AuthorDate: 2023-08-22 09:20:10 +0000 Commit: Zhenlei Huang CommitDate: 2023-09-06 04:32:56 +0000 geom_linux_lvm: Check the offset of physical volume header The LVM label is stored on any of the first four sectors, and the PV (physical volume) header is stored within the same sector following the LVM label. The current implementation does not fully check the offset of PV header, when attaching a bad formatted LVM PV the kernel may crash due to out-of-bounds memory read. PR: 266562 Reviewed by: jhb MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D36773 (cherry picked from commit c941b82e1c31a67a025c43cc7bd31f269fa62588) (cherry picked from commit 809450c4b53109b6ca8a87054452f2b3b8f711aa) sys/geom/linux_lvm/g_linux_lvm.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) --=20 You are receiving this mail because: You are the assignee for the bug.=