diff options
Diffstat (limited to 'security')
| -rw-r--r-- | security/keys/request_key.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/security/keys/request_key.c b/security/keys/request_key.c index 857da65e1940..a6543ed98b1f 100644 --- a/security/keys/request_key.c +++ b/security/keys/request_key.c @@ -564,6 +564,16 @@ struct key *request_key_and_link(struct key_type *type, key_ref = search_process_keyrings(&ctx); if (!IS_ERR(key_ref)) { + if (dest_keyring) { + ret = key_task_permission(key_ref, current_cred(), + KEY_NEED_LINK); + if (ret < 0) { + key_ref_put(key_ref); + key = ERR_PTR(ret); + goto error_free; + } + } + key = key_ref_to_ptr(key_ref); if (dest_keyring) { ret = key_link(dest_keyring, key); |