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-rw-r--r--security/integrity/ima/ima_mok.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/security/integrity/ima/ima_mok.c b/security/integrity/ima/ima_mok.c
index 36cadadbfba4..b52ae1476ec3 100644
--- a/security/integrity/ima/ima_mok.c
+++ b/security/integrity/ima/ima_mok.c
@@ -16,6 +16,15 @@
#include <keys/system_keyring.h>
+static struct key_acl integrity_blacklist_keyring_acl = {
+ .usage = REFCOUNT_INIT(1),
+ .nr_ace = 2,
+ .aces = {
+ KEY_POSSESSOR_ACE(KEY_ACE_SEARCH | KEY_ACE_WRITE),
+ KEY_OWNER_ACE(KEY_ACE_VIEW | KEY_ACE_READ | KEY_ACE_WRITE | KEY_ACE_SEARCH),
+ }
+};
+
struct key *ima_blacklist_keyring;
/*
@@ -35,9 +44,7 @@ __init int ima_mok_init(void)
ima_blacklist_keyring = keyring_alloc(".ima_blacklist",
KUIDT_INIT(0), KGIDT_INIT(0), current_cred(),
- (KEY_POS_ALL & ~KEY_POS_SETATTR) |
- KEY_USR_VIEW | KEY_USR_READ |
- KEY_USR_WRITE | KEY_USR_SEARCH,
+ &integrity_blacklist_keyring_acl,
KEY_ALLOC_NOT_IN_QUOTA,
restriction, NULL);