linux-kernel - Re: [PATCH] use get_random_long for the per-task stack canary

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

Message-ID: <e358b217-7bae-07bb-4245-12d62513c733@linux.intel.com>
Date:   Thu, 4 May 2017 06:33:15 -0700
From:   Arjan van de Ven <arjan@...ux.intel.com>
To:     Daniel Micay <danielmicay@...il.com>,
        Kees Cook <keescook@...omium.org>, Ingo Molnar <mingo@...e.hu>,
        kernel-hardening@...ts.openwall.com,
        LKML <linux-kernel@...r.kernel.org>
Cc:     stable@...r.kernel.org
Subject: Re: [PATCH] use get_random_long for the per-task stack canary

On 5/4/2017 6:32 AM, Daniel Micay wrote:
> The stack canary is an unsigned long and should be fully initialized to
> random data rather than only 32 bits of random data.

that makes sense to me... ack