From: Deven Bowers <deven.desai@linux.microsoft.com>
To: "Mickaël Salaün" <mic@digikod.net>, linux-kernel@vger.kernel.org
Cc: "Aleksa Sarai" <cyphar@cyphar.com>,
"Alexei Starovoitov" <ast@kernel.org>,
"Al Viro" <viro@zeniv.linux.org.uk>,
"Andy Lutomirski" <luto@kernel.org>,
"Christian Heimes" <christian@python.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Eric Chiang" <ericchiang@google.com>,
"Florian Weimer" <fweimer@redhat.com>,
"James Morris" <jmorris@namei.org>, "Jan Kara" <jack@suse.cz>,
"Jann Horn" <jannh@google.com>,
"Jonathan Corbet" <corbet@lwn.net>,
"Kees Cook" <keescook@chromium.org>,
"Matthew Garrett" <mjg59@google.com>,
"Matthew Wilcox" <willy@infradead.org>,
"Michael Kerrisk" <mtk.manpages@gmail.com>,
"Mickaël Salaün" <mickael.salaun@ssi.gouv.fr>,
"Mimi Zohar" <zohar@linux.ibm.com>,
"Philippe Trébuchet" <philippe.trebuchet@ssi.gouv.fr>,
"Scott Shell" <scottsh@microsoft.com>,
"Sean Christopherson" <sean.j.christopherson@intel.com>,
"Shuah Khan" <shuah@kernel.org>,
"Steve Dower" <steve.dower@python.org>,
"Steve Grubb" <sgrubb@redhat.com>,
"Thibaut Sautereau" <thibaut.sautereau@ssi.gouv.fr>,
"Vincent Strubel" <vincent.strubel@ssi.gouv.fr>,
kernel-hardening@lists.openwall.com, linux-api@vger.kernel.org,
linux-security-module@vger.kernel.org,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v4 1/5] fs: Add support for an O_MAYEXEC flag on openat2(2)
Date: Fri, 1 May 2020 13:36:08 -0700 [thread overview]
Message-ID: <12e3c9f0-a419-53a9-f404-7ce206709fe4@linux.microsoft.com> (raw)
In-Reply-To: <20200430132320.699508-2-mic@digikod.net>
On 4/30/2020 6:23 AM, Mickaël Salaün wrote:
> When the O_MAYEXEC flag is passed, openat2(2) may be subject to
> additional restrictions depending on a security policy managed by the
> kernel through a sysctl or implemented by an LSM thanks to the
> inode_permission hook.
> This new flag is ignored by open(2) and openat(2).
Reviewed-by: Deven Bowers <deven.desai@linux.microsoft.com>
next prev parent reply other threads:[~2020-05-01 20:36 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-30 13:23 [PATCH v4 0/5] Add support for O_MAYEXEC Mickaël Salaün
2020-04-30 13:23 ` [PATCH v4 1/5] fs: Add support for an O_MAYEXEC flag on openat2(2) Mickaël Salaün
2020-05-01 20:36 ` Deven Bowers [this message]
2020-04-30 13:23 ` [PATCH v4 2/5] fs: Add a MAY_EXECMOUNT flag to infer the noexec mount property Mickaël Salaün
2020-04-30 13:23 ` [PATCH v4 3/5] fs: Enable to enforce noexec mounts or file exec through O_MAYEXEC Mickaël Salaün
2020-04-30 13:23 ` [PATCH v4 4/5] selftest/openat2: Add tests for O_MAYEXEC enforcing Mickaël Salaün
2020-04-30 13:23 ` [PATCH v4 5/5] doc: Add documentation for the fs.open_mayexec_enforce sysctl Mickaël Salaün
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