lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-Id: <20231107023444.3141-1-duminjie@vivo.com> Date: Tue, 7 Nov 2023 10:34:43 +0800 From: Minjie Du <duminjie@...o.com> To: Eric Dumazet <edumazet@...gle.com>, "David S. Miller" <davem@...emloft.net>, David Ahern <dsahern@...nel.org>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org (open list:NETWORKING [TCP]), linux-kernel@...r.kernel.org (open list) Cc: opensource.kernel@...o.com, Minjie Du <duminjie@...o.com> Subject: [PATCH v1] net/tcp: use kfree_sensitive() instend of kfree() in tcp_md5_twsk_free_rcu() key might contain private information, so better use kfree_sensitive to free it. In tcp_md5_twsk_free_rcu() use kfree_sensitive(). Signed-off-by: Minjie Du <duminjie@...o.com> --- net/ipv4/tcp_minisocks.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index a9807eeb311c..a7be78096783 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -368,7 +368,7 @@ static void tcp_md5_twsk_free_rcu(struct rcu_head *head) struct tcp_md5sig_key *key; key = container_of(head, struct tcp_md5sig_key, rcu); - kfree(key); + kfree_sensitive(key); static_branch_slow_dec_deferred(&tcp_md5_needed); tcp_md5_release_sigpool(); } -- 2.39.0
Powered by blists - more mailing lists