[PATCH 4/4] ima: only audit failed appraisal verifications
From: Roberto Sassu <roberto.sassu@huawei.com>
Date: 2019-05-16 16:18:24
Also in:
linux-integrity, linux-security-module, lkml, stable
Subsystem:
extended verification module (evm), integrity measurement architecture (ima), security subsystem, the rest · Maintainers:
Mimi Zohar, Roberto Sassu, Dmitry Kasatkin, Paul Moore, James Morris, "Serge E. Hallyn", Linus Torvalds
This patch ensures that integrity_audit_msg() is called only when the
status is not INTEGRITY_PASS.
Fixes: 8606404fa555c ("ima: digital signature verification support")
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Cc: stable@vger.kernel.org
---
security/integrity/ima/ima_appraise.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/security/integrity/ima/ima_appraise.c b/security/integrity/ima/ima_appraise.c
index a32ed5d7afd1..f5f4506bcb8e 100644
--- a/security/integrity/ima/ima_appraise.c
+++ b/security/integrity/ima/ima_appraise.c@@ -359,8 +359,9 @@ int ima_appraise_measurement(enum ima_hooks func, status = INTEGRITY_PASS; } - integrity_audit_msg(AUDIT_INTEGRITY_DATA, inode, filename, - op, cause, rc, 0); + if (status != INTEGRITY_PASS) + integrity_audit_msg(AUDIT_INTEGRITY_DATA, inode, + filename, op, cause, rc, 0); } else { ima_cache_flags(iint, func); }
--
2.17.1