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authorSerge E. Hallyn <serge@hallyn.com>2010-12-08 18:19:01 +0300
committerJames Morris <jmorris@namei.org>2010-12-09 01:48:48 +0300
commit38ef4c2e437d11b5922723504b62824e96761459 (patch)
treeccec1f38348af3c2776fc5bc0b589e14504f4b33 /Documentation/sysctl
parent5c6d1125f8dbd1bfef39e38fbc2837003be78a59 (diff)
downloadlinux-38ef4c2e437d11b5922723504b62824e96761459.tar.xz
syslog: check cap_syslog when dmesg_restrict
Eric Paris pointed out that it doesn't make sense to require both CAP_SYS_ADMIN and CAP_SYSLOG for certain syslog actions. So require CAP_SYSLOG, not CAP_SYS_ADMIN, when dmesg_restrict is set. (I'm also consolidating the now common error path) Signed-off-by: Serge E. Hallyn <serge.hallyn@canonical.com> Acked-by: Eric Paris <eparis@redhat.com> Acked-by: Kees Cook <kees.cook@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'Documentation/sysctl')
-rw-r--r--Documentation/sysctl/kernel.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt
index 209e1584c3dc..574067194f38 100644
--- a/Documentation/sysctl/kernel.txt
+++ b/Documentation/sysctl/kernel.txt
@@ -219,7 +219,7 @@ dmesg_restrict:
This toggle indicates whether unprivileged users are prevented from using
dmesg(8) to view messages from the kernel's log buffer. When
dmesg_restrict is set to (0) there are no restrictions. When
-dmesg_restrict is set set to (1), users must have CAP_SYS_ADMIN to use
+dmesg_restrict is set set to (1), users must have CAP_SYSLOG to use
dmesg(8).
The kernel config option CONFIG_SECURITY_DMESG_RESTRICT sets the default