From 132ef295b8407f91e6922f4dfc4f30f1790b61c5 Mon Sep 17 00:00:00 2001

From: Petr Mensik <pemensik@redhat.com>

Date: Tue, 20 Sep 2022 11:22:47 +0200

Subject: [PATCH 4/4] Fix CVE-2022-38178

5962.	[security]	Fix memory leak in EdDSA verify processing.

			(CVE-2022-38178) [GL #3487]

---

 lib/dns/openssleddsa_link.c | 4 ++--

 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/dns/openssleddsa_link.c b/lib/dns/openssleddsa_link.c

index 6a6a74d..3157011 100644

--- a/lib/dns/openssleddsa_link.c

+++ b/lib/dns/openssleddsa_link.c

@@ -234,11 +234,11 @@ openssleddsa_verify(dst_context_t *dctx, const isc_region_t *sig) {

 	}

 #endif /* if HAVE_OPENSSL_ED448 */

 	if (siglen == 0) {

-		return (ISC_R_NOTIMPLEMENTED);

+		DST_RET(ISC_R_NOTIMPLEMENTED);

 	}

 	if (sig->length != siglen) {

-		return (DST_R_VERIFYFAILURE);

+		DST_RET(DST_R_VERIFYFAILURE);

 	}

 	isc_buffer_usedregion(buf, &tbsreg);

-- 

2.37.3