summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--security/integrity/ima/ima_queue.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/security/integrity/ima/ima_queue.c b/security/integrity/ima/ima_queue.c
index 552705d5a78d..04a9ac13e85e 100644
--- a/security/integrity/ima/ima_queue.c
+++ b/security/integrity/ima/ima_queue.c
@@ -44,7 +44,8 @@ struct ima_h_table ima_htable = {
static DEFINE_MUTEX(ima_extend_list_mutex);
/* lookup up the digest value in the hash table, and return the entry */
-static struct ima_queue_entry *ima_lookup_digest_entry(u8 *digest_value)
+static struct ima_queue_entry *ima_lookup_digest_entry(u8 *digest_value,
+ int pcr)
{
struct ima_queue_entry *qe, *ret = NULL;
unsigned int key;
@@ -54,7 +55,7 @@ static struct ima_queue_entry *ima_lookup_digest_entry(u8 *digest_value)
rcu_read_lock();
hlist_for_each_entry_rcu(qe, &ima_htable.queue[key], hnext) {
rc = memcmp(qe->entry->digest, digest_value, TPM_DIGEST_SIZE);
- if (rc == 0) {
+ if ((rc == 0) && (qe->entry->pcr == pcr)) {
ret = qe;
break;
}
@@ -118,7 +119,7 @@ int ima_add_template_entry(struct ima_template_entry *entry, int violation,
mutex_lock(&ima_extend_list_mutex);
if (!violation) {
memcpy(digest, entry->digest, sizeof(digest));
- if (ima_lookup_digest_entry(digest)) {
+ if (ima_lookup_digest_entry(digest, entry->pcr)) {
audit_cause = "hash_exists";
result = -EEXIST;
goto out;
OpenPOWER on IntegriCloud