wolfssl: patch CVE-2026-4395

Details: https://nvd.nist.gov/vuln/detail/CVE-2026-4395

Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>
This commit is contained in:
Ankur Tyagi
2026-04-06 00:49:10 +12:00
committed by Anuj Mittal
parent 99b851ae0e
commit 6f87a552ab
2 changed files with 32 additions and 0 deletions
@@ -0,0 +1,31 @@
From 6a60f44e056f55f3cdc9d11384e5a5d5d0b1d628 Mon Sep 17 00:00:00 2001
From: Kareem <kareem@wolfssl.com>
Date: Mon, 16 Mar 2026 15:34:18 -0700
Subject: [PATCH] Check raw pubkey length in wc_ecc_import_x963 before copying
to it for KCAPI case.
(cherry picked from commit ddc177b669cff9d3c7e1b51751f9df73062b872a)
CVE: CVE-2026-4395
Upstream-Status: Backport [https://github.com/wolfSSL/wolfssl/commit/ddc177b669cff9d3c7e1b51751f9df73062b872a]
Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
---
wolfcrypt/src/ecc.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/wolfcrypt/src/ecc.c b/wolfcrypt/src/ecc.c
index 1fd30cfd9..dcef45a1c 100644
--- a/wolfcrypt/src/ecc.c
+++ b/wolfcrypt/src/ecc.c
@@ -10784,7 +10784,10 @@ int wc_ecc_import_x963_ex(const byte* in, word32 inLen, ecc_key* key,
XMEMCPY(key->pubkey_raw, (byte*)in, inLen);
}
#elif defined(WOLFSSL_KCAPI_ECC)
- XMEMCPY(key->pubkey_raw, (byte*)in, inLen);
+ if (inLen <= (word32)sizeof(key->pubkey_raw))
+ XMEMCPY(key->pubkey_raw, (byte*)in, inLen);
+ else
+ err = BAD_FUNC_ARG;
#endif
if (err == MP_OKAY) {
@@ -36,6 +36,7 @@ SRC_URI = " \
file://CVE-2026-3230.patch \
file://CVE-2026-3547.patch \
file://CVE-2026-4159.patch \
file://CVE-2026-4395.patch \
"
SRCREV = "b077c81eb635392e694ccedbab8b644297ec0285"