netdev - Re: [PATCH] mkiss: fix scribble on freed memory

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: <568D7927.3090607@cogentembedded.com>
Date:	Wed, 6 Jan 2016 23:29:27 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Alan <gnomes@...rguk.ukuu.org.uk>, netdev@...r.kernel.org,
	davem@...r.kernel.org
Subject: Re: [PATCH] mkiss: fix scribble on freed memory

Hello.

On 1/6/2016 5:55 PM, Alan wrote:

> commit d79f16c046086f4fe0d42184a458e187464eb83e fixed a user triggerable

    scripts/checkpatch.pl now enforces certain format of the commit citing.

> scribble on free memory but added a new one which allows the user to
> scribble even more and user controlled data into freed space.
>
> As with 6pack we need to halt the queue before we free the buffers, because
> the transmit logic is not protected by the semaphore.
>
> Signed-off-by: Alan Cox <alan@...ux.intel.com>
[...]

MBR, Sergei


--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html