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authorJeremy Cline <jcline@redhat.com>2020-05-14 10:05:46 -0400
committerJames Morris <jmorris@namei.org>2020-05-14 10:23:05 -0700
commit60cf7c5ed5f7087c4de87a7676b8c82d96fd166c (patch)
treefa5456d44e98dadc7c7e2f360408995b09229e62 /security/lockdown
parent3e27a33932df104f4f9ff811467b0b4ccebde773 (diff)
lockdown: Allow unprivileged users to see lockdown status
A number of userspace tools, such as systemtap, need a way to see the current lockdown state so they can gracefully deal with the kernel being locked down. The state is already exposed in /sys/kernel/security/lockdown, but is only readable by root. Adjust the permissions so unprivileged users can read the state. Fixes: 000d388ed3bb ("security: Add a static lockdown policy LSM") Cc: Frank Ch. Eigler <fche@redhat.com> Signed-off-by: Jeremy Cline <jcline@redhat.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/lockdown')
-rw-r--r--security/lockdown/lockdown.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/security/lockdown/lockdown.c b/security/lockdown/lockdown.c
index 40b790536def..ae594c0a127f 100644
--- a/security/lockdown/lockdown.c
+++ b/security/lockdown/lockdown.c
@@ -175,7 +175,7 @@ static int __init lockdown_secfs_init(void)
{
struct dentry *dentry;
- dentry = securityfs_create_file("lockdown", 0600, NULL, NULL,
+ dentry = securityfs_create_file("lockdown", 0644, NULL, NULL,
&lockdown_ops);
return PTR_ERR_OR_ZERO(dentry);
}