From: "Christian Göttsche" <cgzones@googlemail.com>
To: selinux@vger.kernel.org
Cc: Paul Moore <paul@paul-moore.com>,
Stephen Smalley <stephen.smalley.work@gmail.com>,
Eric Paris <eparis@parisplace.org>,
linux-kernel@vger.kernel.org
Subject: [RFC PATCH] selinux: log about VM being executable by default
Date: Thu, 20 Jul 2023 12:35:49 +0200 [thread overview]
Message-ID: <20230720103549.25255-1-cgzones@googlemail.com> (raw)
In case virtual memory is being marked as executable by default, SELinux
checks regarding explicit potential dangerous use are disabled.
Inform the user about it.
Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
---
security/selinux/hooks.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 6f53fa71fbdb..3a7ece84c2cc 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -7265,6 +7265,8 @@ static __init int selinux_init(void)
cred_init_security();
default_noexec = !(VM_DATA_DEFAULT_FLAGS & VM_EXEC);
+ if (!default_noexec)
+ pr_notice("SELinux: virtual memory is executable by default - related checks disabled\n");
avc_init();
--
2.40.1
next reply other threads:[~2023-07-20 10:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-20 10:35 Christian Göttsche [this message]
2023-07-20 20:45 ` Paul Moore
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