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-rw-r--r--security/keys/keyring.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index ed851574d073..3dba81c2eba3 100644
--- a/security/keys/keyring.c
+++ b/security/keys/keyring.c
@@ -539,6 +539,9 @@ struct key *find_keyring_by_name(const char *name, bool skip_perm_check)
&keyring_name_hash[bucket],
type_data.link
) {
+ if (keyring->user->user_ns != current_user_ns())
+ continue;
+
if (test_bit(KEY_FLAG_REVOKED, &keyring->flags))
continue;