From: Jia Zhang <zhang.jia@linux.alibaba.com>
To: jeyu@kernel.org
Cc: linux-kernel@vger.kernel.org, zhang.jia@linux.alibaba.com
Subject: [PATCH v2 0/4] modsign enhancement
Date: Thu, 8 Mar 2018 12:26:59 +0800 [thread overview]
Message-ID: <1520483223-6596-1-git-send-email-zhang.jia@linux.alibaba.com> (raw)
This patch series allows to disable module validity enforcement
in runtime through /sys/kernel/security/modsign/enforce interface.
Assuming CONFIG_MODULE_SIG_FORCE=y, here are the instructions to
disable the validity enforcement.
# cat /sys/kernel/security/modsign/enforce
# echo -n 0 > data
# openssl smime -sign -nocerts -noattr -binary -in data \
-inkey <system_trusted_key> -signer <cert> -outform der \
-out /sys/kernel/security/modsign/enforce
Now enable enforcement again on demand.
# echo 1 > /sys/kernel/security/modsign/enforce
Changelog:
v2:
- Support to disable validity enforcement in runtime.
next reply other threads:[~2018-03-08 4:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-08 4:26 Jia Zhang [this message]
2018-03-08 4:27 ` [PATCH 1/4] module: Do not access sig_enforce directly Jia Zhang
2018-03-08 4:27 ` [PATCH 2/4] module: Create the entry point initialize_module() Jia Zhang
2018-03-08 4:27 ` [PATCH 3/4] module: Support to show the current enforcement policy Jia Zhang
2018-03-08 4:27 ` [PATCH 4/4] module: Support to disable validity enforcement in runtime Jia Zhang
2018-03-12 13:28 ` [PATCH v2 0/4] modsign enhancement Jessica Yu
2018-03-12 14:15 ` Jia Zhang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1520483223-6596-1-git-send-email-zhang.jia@linux.alibaba.com \
--to=zhang.jia@linux.alibaba.com \
--cc=jeyu@kernel.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).