From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1A56C14263 for ; Tue, 25 Jul 2023 10:56:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8E393C433C8; Tue, 25 Jul 2023 10:56:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1690282605; bh=qQwSVXBDosH+ASN5sxRAD8udlYpbP+LkBtnoT2t09SI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kqZrwFu0Hmg+Y0RyORk5kMkr5DR0bHS6LQwPDcBPlXGTLMN1UMOzwYmvz65jDJKxo pkWKN8PIAYM16HVLhdaR3sf59FusbvBi/gxvDEPuealdiz3MiJeXFdLNQ5Xr75K8/L LtuzoJizDDHW+rQ44ggegh732+/LjmOl+29gVHYw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Wang Ming , Tariq Toukan , Kuniyuki Iwashima , "David S. Miller" , Sasha Levin Subject: [PATCH 6.4 188/227] net: ipv4: Use kfree_sensitive instead of kfree Date: Tue, 25 Jul 2023 12:45:55 +0200 Message-ID: <20230725104522.590435520@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230725104514.821564989@linuxfoundation.org> References: <20230725104514.821564989@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Wang Ming [ Upstream commit daa751444fd9d4184270b1479d8af49aaf1a1ee6 ] key might contain private part of the key, so better use kfree_sensitive to free it. Fixes: 38320c70d282 ("[IPSEC]: Use crypto_aead and authenc in ESP") Signed-off-by: Wang Ming Reviewed-by: Tariq Toukan Reviewed-by: Kuniyuki Iwashima Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/ipv4/esp4.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index ba06ed42e4284..2be2d49225573 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -1132,7 +1132,7 @@ static int esp_init_authenc(struct xfrm_state *x, err = crypto_aead_setkey(aead, key, keylen); free_key: - kfree(key); + kfree_sensitive(key); error: return err; -- 2.39.2