From nobody Mon Dec 4 11:08:23 2023 X-Original-To: fs@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 4SkLWD4MGXz53FSC for ; Mon, 4 Dec 2023 11:08:24 +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 4SkLWD3J2nz4W3w for ; Mon, 4 Dec 2023 11:08:24 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1701688104; 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=KVCjjnDz8WMb1Due0spe2IZgHw1FVyB2mNxIJ4cNV3M=; b=A5p/+F0bqubZqiRQXbyle7eMX/M03wpFqoaivJoiRcMOd6c79hdvn8jW/TqAIGf+9XTumS zOHqYuFMTzfuCAS0PzNs9tVbRdbtyK12LegmiGaYBfOkupIzLCg+eO2AkRct8oqXSpKHzw +sLG0hGXKKki4d4nPcwATKIZqSaRlJsrvYjx3v08VQDu40SLOwc1Iz38FHA4IkMEUErmxf 65HW3/ftJFZV1+2Rdx52xH7OcjT7KyIEL3aOWl0mfG5Gb2ar74DYaaHpK6h6OsJka80g9x +PuykSMxHfPmhle6XkTEoRmn8X/CLG9jTIl35+sLXG1MOWnLhXCTsgCMVHSwyQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1701688104; a=rsa-sha256; cv=none; b=EC7TjkZmi21BtJVfRQMc02L+9yWJ7cM2mxADF15I9++ZaR4X9jj2PH23TSgihuImD+2RJG nwX9mOny2SLLCUxUzxUrlV2gm311Bz8mLM1CF8bxasoj16E0v/PkCp1IUisduKpTmzofue 6EixL0SYuEx4c+VX634jmH2uTCxhp6myRaJN8pobzlftuwdnRJaSRZu7dQnGrux0mYmOBB 6yH+kc/FuKXxiYXgUXV6w65yldo1gbzhAVurPdrFJc9yoQVtSM1q9DN45WsqI5p6mGgphU 06pG99hPSkMvF/UGViJYhqPlsEh5h4z/xzDwSjhBzC8LaTM8diiuLb8o6UEBSA== 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 4SkLWD2FTDz8jF for ; Mon, 4 Dec 2023 11:08:24 +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 3B4B8OMh017923 for ; Mon, 4 Dec 2023 11:08:24 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 3B4B8OnV017922 for fs@FreeBSD.org; Mon, 4 Dec 2023 11:08:24 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 265625] .zfs/snapshot directory is always readable (also by non-privileged users) Date: Mon, 04 Dec 2023 11:08:23 +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: 13.1-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: jbe@magnetkern.de X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@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: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@freebsd.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D265625 --- Comment #5 from jbe@magnetkern.de --- There are more security implications of this issue, e.g. when /etc/passwd, /etc/group, ~/.ssh/authorized_keys etc. get modified while a snapshot exist= s. This can lead to people gaining access to files that they never were suppos= ed to see. Also see: https://forums.FreeBSD.org/threads/91178/post-631660 and https://github.com/openzfs/zfs/discussions/9028#discussioncomment-3331782 --=20 You are receiving this mail because: You are the assignee for the bug.=