diff --git a/drivers/crypto/intel/qat/qat_common/qat_algs.c b/drivers/crypto/intel/qat/qat_common/qat_algs.c
index 7f638a62e3ad..91663805d9e6 100644
--- a/drivers/crypto/intel/qat/qat_common/qat_algs.c
+++ b/drivers/crypto/intel/qat/qat_common/qat_algs.c
@@ -405,6 +405,7 @@ static void qat_alg_xts_reverse_key(const u8 *key_forward, unsigned int keylen,
 		memcpy(key_reverse + AES_BLOCK_SIZE, key - AES_BLOCK_SIZE,
 		       AES_BLOCK_SIZE);
 	}
+	memzero_explicit(&aes_expanded, sizeof(aes_expanded));
 }
 
 static void qat_alg_skcipher_init_dec(struct qat_alg_skcipher_ctx *ctx,