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-rw-r--r--security/Kconfig20
1 files changed, 13 insertions, 7 deletions
diff --git a/security/Kconfig b/security/Kconfig
index 34f593410d57..67785df264e5 100644
--- a/security/Kconfig
+++ b/security/Kconfig
@@ -22,16 +22,22 @@ config KEYS
If you are unsure as to whether this is required, answer N.
config KEYS_DEBUG_PROC_KEYS
- bool "Enable the /proc/keys file by which all keys may be viewed"
+ bool "Enable the /proc/keys file by which keys may be viewed"
depends on KEYS
help
- This option turns on support for the /proc/keys file through which
- all the keys on the system can be listed.
+ This option turns on support for the /proc/keys file - through which
+ can be listed all the keys on the system that are viewable by the
+ reading process.
- This option is a slight security risk in that it makes it possible
- for anyone to see all the keys on the system. Normally the manager
- pretends keys that are inaccessible to a process don't exist as far
- as that process is concerned.
+ The only keys included in the list are those that grant View
+ permission to the reading process whether or not it possesses them.
+ Note that LSM security checks are still performed, and may further
+ filter out keys that the current process is not authorised to view.
+
+ Only key attributes are listed here; key payloads are not included in
+ the resulting table.
+
+ If you are unsure as to whether this is required, answer N.
config SECURITY
bool "Enable different security models"

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