From 0095b8a6b09173ab5eb48611dc0233d2a6337dc1 Mon Sep 17 00:00:00 2001

From: Petr Mensik <pemensik@redhat.com>

Date: Tue, 20 Sep 2022 11:21:45 +0200

Subject: [PATCH] Fix CVE-2022-38177

5961.	[security]	Fix memory leak in ECDSA verify processing.

			(CVE-2022-38177) [GL #3487]

---

 lib/dns/opensslecdsa_link.c | 2 +-

 1 file changed, 1 insertion(+), 1 deletion(-)

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

index 83b5b51..7576e04 100644

--- a/lib/dns/opensslecdsa_link.c

+++ b/lib/dns/opensslecdsa_link.c

@@ -224,7 +224,7 @@ opensslecdsa_verify(dst_context_t *dctx, const isc_region_t *sig) {

 		siglen = DNS_SIG_ECDSA384SIZE;

 	if (sig->length != siglen)

-		return (DST_R_VERIFYFAILURE);

+		DST_RET(DST_R_VERIFYFAILURE);

 	if (!EVP_DigestFinal_ex(evp_md_ctx, digest, &dgstlen))

 		DST_RET (dst__openssl_toresult3(dctx->category,

-- 

2.37.3