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| author | Stefan Berger <stefanb@linux.ibm.com> | 2026-04-16 11:40:36 -0400 |
|---|---|---|
| committer | Mimi Zohar <zohar@linux.ibm.com> | 2026-05-13 08:21:18 -0400 |
| commit | c93a5f038ccc11ed8558ce642f62d5ede701a348 (patch) | |
| tree | e2b9abe9ac5ce697d29e46d0f314a3b29a120019 /security | |
| parent | 69fc6474236d9edda6983623e4282f2bdfd8e3d8 (diff) | |
| download | ath-c93a5f038ccc11ed8558ce642f62d5ede701a348.tar.gz | |
integrity: Check for NULL returned by asymmetric_key_public_key
Check for a NULL pointer returned by asymmetric_key_public_key and return
-ENOKEY in this case.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Tested-by: Kamlesh Kumar <kam@juniper.net>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Diffstat (limited to 'security')
| -rw-r--r-- | security/integrity/digsig_asymmetric.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/security/integrity/digsig_asymmetric.c b/security/integrity/digsig_asymmetric.c index 6e68ec3becbd1..a791ad43b3fbb 100644 --- a/security/integrity/digsig_asymmetric.c +++ b/security/integrity/digsig_asymmetric.c @@ -108,6 +108,10 @@ int asymmetric_verify(struct key *keyring, const char *sig, pks.hash_algo = hash_algo_name[hdr->hash_algo]; pk = asymmetric_key_public_key(key); + if (!pk) { + ret = -ENOKEY; + goto out; + } pks.pkey_algo = pk->pkey_algo; if (!strcmp(pk->pkey_algo, "rsa")) { pks.encoding = "pkcs1"; |