linux-kernel - Re: [kernel-hardening] [PATCH 0/3] kallsyms: don't leak address

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Message-ID: <87o9mwa9g2.fsf@concordia.ellerman.id.au>
Date:   Mon, 18 Dec 2017 16:31:25 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     "Tobin C. Harding" <me@...in.cc>,
        kernel-hardening@...ts.openwall.com
Cc:     "Tobin C. Harding" <me@...in.cc>,
        Steven Rostedt <rostedt@...dmis.org>,
        Tycho Andersen <tycho@...ho.ws>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Alexei Starovoitov <ast@...nel.org>,
        linux-kernel@...r.kernel.org,
        Network Development <netdev@...r.kernel.org>
Subject: Re: [kernel-hardening] [PATCH 0/3] kallsyms: don't leak address

"Tobin C. Harding" <me@...in.cc> writes:

> This set plugs a kernel address leak that occurs if kallsyms symbol
> look up fails. This set was prompted by a leaking address found using
> scripts/leaking_addresses.pl on a PowerPC machine in the wild.

Any details on that? I haven't heard about it.

cheers