Thread (18 messages) flat view 18 messages, 4 authors, 2019-10-22
STALE2520d REVIEWED: 5 (5M)

Revision v8 of 4 in this series; 1 review trailer.

Revisions (4)
  1. v6 [diff vs current]
  2. v7 [diff vs current]
  3. v8 current
  4. v9 [diff vs current]

[PATCH v8 8/8] powerpc/ima: update ima arch policy to check for blacklist

From: Nayna Jain <nayna@linux.ibm.com>
Date: 2019-10-19 18:07:13
Also in: linux-efi, linux-integrity, lkml
Subsystem: linux for powerpc (32-bit and 64-bit), the rest · Maintainers: Madhavan Srinivasan, Linus Torvalds

This patch updates the arch-specific policies for PowerNV system to make
sure that the binary hash is not blacklisted.

Signed-off-by: Nayna Jain <nayna@linux.ibm.com>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
---
 arch/powerpc/kernel/ima_arch.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/kernel/ima_arch.c b/arch/powerpc/kernel/ima_arch.c
index 710872ea8f35..98f3f8d9f9e4 100644
--- a/arch/powerpc/kernel/ima_arch.c
+++ b/arch/powerpc/kernel/ima_arch.c
@@ -19,9 +19,9 @@ bool arch_ima_get_secureboot(void)
  * to be stored as an xattr or as an appended signature.
  */
 static const char *const secure_rules[] = {
-	"appraise func=KEXEC_KERNEL_CHECK appraise_type=imasig|modsig",
+	"appraise func=KEXEC_KERNEL_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
 #ifndef CONFIG_MODULE_SIG_FORCE
-	"appraise func=MODULE_CHECK appraise_type=imasig|modsig",
+	"appraise func=MODULE_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
 #endif
 	NULL
 };
@@ -45,9 +45,9 @@ static const char *const trusted_rules[] = {
 static const char *const secure_and_trusted_rules[] = {
 	"measure func=KEXEC_KERNEL_CHECK template=ima-modsig",
 	"measure func=MODULE_CHECK template=ima-modsig",
-	"appraise func=KEXEC_KERNEL_CHECK appraise_type=imasig|modsig",
+	"appraise func=KEXEC_KERNEL_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
 #ifndef CONFIG_MODULE_SIG_FORCE
-	"appraise func=MODULE_CHECK appraise_type=imasig|modsig",
+	"appraise func=MODULE_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
 #endif
 	NULL
 };
-- 
2.20.1
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