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-rw-r--r--crypto/ecdh.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/ecdh.c b/crypto/ecdh.c
index d56b8603dec9..96f80c8f8e30 100644
--- a/crypto/ecdh.c
+++ b/crypto/ecdh.c
@@ -39,7 +39,8 @@ static int ecdh_set_secret(struct crypto_kpp *tfm, const void *buf,
struct ecdh params;
unsigned int ndigits;
- if (crypto_ecdh_decode_key(buf, len, &params) < 0)
+ if (crypto_ecdh_decode_key(buf, len, &params) < 0 ||
+ params.key_size > sizeof(ctx->private_key))
return -EINVAL;
ndigits = ecdh_supported_curve(params.curve_id);