Konstantin Demin
c3d09a3e94
imported from https://salsa.debian.org/kernel-team/linux.git commit 9d5cc9d9d6501d7f1dd7e194d4b245bd0b6c6a22 version 6.11.4-1
34 lines
1.4 KiB
Diff
34 lines
1.4 KiB
Diff
From: Robert Holmes <robeholmes@gmail.com>
|
|
Date: Tue, 23 Apr 2019 07:39:29 +0000
|
|
Subject: [PATCH] KEYS: Make use of platform keyring for module signature
|
|
verify
|
|
Bug-Debian: https://bugs.debian.org/935945
|
|
Bug-Debian: https://bugs.debian.org/1030200
|
|
Origin: https://src.fedoraproject.org/rpms/kernel/raw/master/f/KEYS-Make-use-of-platform-keyring-for-module-signature.patch
|
|
Forwarded: https://lore.kernel.org/linux-modules/qvgp2il2co4iyxkzxvcs4p2bpyilqsbfgcprtpfrsajwae2etc@3z2s2o52i3xg/t/#u
|
|
|
|
This allows a cert in DB to be used to sign modules,
|
|
in addition to certs in the MoK and built-in keyrings.
|
|
|
|
Signed-off-by: Robert Holmes <robeholmes@gmail.com>
|
|
Signed-off-by: Jeremy Cline <jcline@redhat.com>
|
|
[bwh: Forward-ported to 5.19: adjust filename]
|
|
[наб: reinstate for 6.1, re-write description]
|
|
---
|
|
--- a/kernel/module/signing.c
|
|
+++ b/kernel/module/signing.c
|
|
@@ -116,6 +116,13 @@ int mod_verify_sig(const void *mod, stru
|
|
VERIFYING_MODULE_SIGNATURE,
|
|
NULL, NULL);
|
|
pr_devel("verify_pkcs7_signature() = %d\n", ret);
|
|
+ if (ret == -ENOKEY && IS_ENABLED(CONFIG_INTEGRITY_PLATFORM_KEYRING)) {
|
|
+ ret = verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len,
|
|
+ VERIFY_USE_PLATFORM_KEYRING,
|
|
+ VERIFYING_MODULE_SIGNATURE,
|
|
+ NULL, NULL);
|
|
+ pr_devel("verify_pkcs7_signature() = %d\n", ret);
|
|
+ }
|
|
|
|
/* checking hash of module is in blacklist */
|
|
if (!ret)
|