linux-kernel - Re: [PATCH v1] x86/microcode: Handle negative microcode revisions

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: <20181020141358.GB27951@tassilo.jf.intel.com>
Date:   Sat, 20 Oct 2018 07:13:58 -0700
From:   Andi Kleen <ak@...ux.intel.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Andi Kleen <andi@...stfloor.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] x86/microcode: Handle negative microcode revisions

On Sat, Oct 20, 2018 at 03:42:05PM +0200, Thomas Gleixner wrote:
> Andi,
> 
> On Fri, 19 Oct 2018, Andi Kleen wrote:
> > Change the comparison to unsigned. With that the loading works
> > as expected.
> >
> 
> I assume that wants a fixes tag and needs to be backported to stable,
> right?

I think the bug was there since the original microcode loader, not
sure I can dig out the right commit id for that (it might be
in linux-historic)

Yes please cc stable for this.

-Andi