linux-kernel - Re: [PATCH v2] can: j1939: Initialize unused data in j1939_send

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20240621-sociable-juicy-kakapo-b225cc-mkl@pengutronix.de>
Date: Fri, 21 Jun 2024 10:47:00 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Shigeru Yoshida <syoshida@...hat.com>
Cc: robin@...tonic.nl, o.rempel@...gutronix.de, kernel@...gutronix.de, 
	socketcan@...tkopp.net, davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, 
	pabeni@...hat.com, linux-can@...r.kernel.org, netdev@...r.kernel.org, 
	linux-kernel@...r.kernel.org, syzbot+5681e40d297b30f5b513@...kaller.appspotmail.com
Subject: Re: [PATCH v2] can: j1939: Initialize unused data in j1939_send_one()

On 17.05.2024 12:59:53, Shigeru Yoshida wrote:
> syzbot reported kernel-infoleak in raw_recvmsg() [1]. j1939_send_one()
> creates full frame including unused data, but it doesn't initialize it.
> This causes the kernel-infoleak issue. Fix this by initializing unused
> data.

Applied to linux-can.

Thanks,
Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde          |
Embedded Linux                   | https://www.pengutronix.de |
Vertretung Nürnberg              | Phone: +49-5121-206917-129 |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-9   |

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)