Messages in this thread | | | Date | Sun, 26 Mar 2023 07:12:57 -0700 | From | Guenter Roeck <> | Subject | Re: [PATCH v2] net: tls: fix possible race condition between do_tls_getsockopt_conf() and do_tls_setsockopt_conf() |
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Hi,
On Tue, Feb 28, 2023 at 10:33:44AM +0800, Hangyu Hua wrote: > ctx->crypto_send.info is not protected by lock_sock in > do_tls_getsockopt_conf(). A race condition between do_tls_getsockopt_conf() > and do_tls_setsockopt_conf() can cause a NULL point dereference or > use-after-free read when memcpy. > > Please check the following link for pre-information: > https://lore.kernel.org/all/Y/ht6gQL+u6fj3dG@hog/ > > Fixes: 3c4d7559159b ("tls: kernel TLS support") > Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
This patch has been applied to v6.1.y. Should it be applied to older kernel branches as well ? I know it doesn't apply cleanly, but the conflicts should be easy to resolve. I'll be happy to send backports to stable@ if needed.
Thanks, Guenter
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