linux/certs
Eric Snowberg 218a268062 certs: Reference revocation list for all keyrings
Systems booted with shim have a Forbidden Signature Database called mokx.
During boot, hashes and certs contained within the mokx are loaded into the
blacklist keyring.  When calling verify_pkcs7_message_sig the contents of
the blacklist keyring (or revocation list) are referenced when validating
keys on the platform keyring. Currently, when validating against the
secondary or builtin keyrings, the revocation list is not referenced.  Move
up the check to allow the revocation list to be used with all keyrings,
including the secondary and builtin, allowing the system owner to take
corrective action should a vulnerability be found within keys contained
within either keyring.

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
2023-08-17 20:12:41 +00:00
..
.gitignore certs: fix and refactor CONFIG_SYSTEM_BLACKLIST_HASH_LIST build 2022-06-15 21:52:32 +03:00
blacklist_hashes.c certs: unify blacklist_hashes.c and blacklist_nohashes.c 2022-07-27 21:17:59 +09:00
blacklist.c certs: don't try to update blacklist keys 2023-02-13 10:11:20 +02:00
blacklist.h certs: Add EFI_CERT_X509_GUID support for dbx entries 2021-03-11 16:31:28 +00:00
check-blacklist-hashes.awk certs: move scripts/check-blacklist-hashes.awk to certs/ 2022-07-27 21:17:59 +09:00
default_x509.genkey certs: check-in the default x509 config file 2021-12-11 22:09:14 +09:00
extract-cert.c kbuild: do not print extra logs for V=2 2023-01-22 23:43:32 +09:00
Kconfig certs: make system keyring depend on built-in x509 parser 2022-09-24 04:31:18 +09:00
Makefile certs: Fix build error when PKCS#11 URI contains semicolon 2023-01-31 17:53:01 +09:00
revocation_certificates.S certs: Add ability to preload revocation certs 2021-03-11 16:33:49 +00:00
system_certificates.S certs: include certs/signing_key.x509 unconditionally 2022-03-03 08:16:19 +09:00
system_keyring.c certs: Reference revocation list for all keyrings 2023-08-17 20:12:41 +00:00