Groups > linux.debian.user > #191486

Re: Question on CVE-2017-5754 on Debian 8.9

From	Nicholas Geovanis <nickgeovanis@gmail.com>
Newsgroups	linux.debian.user
Subject	Re: Question on CVE-2017-5754 on Debian 8.9
Date	2018-01-24 17:10 +0100
Message-ID	<vbvMB-1W9-5@gated-at.bofh.it> (permalink)
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Jonathon Dowland the Great Lutenist wrote:
> Sylvestre Ledru has uploaded the script to the Debian archive (package
> spectre-meltdown-checker in sid). I haven't checked but they might have
> made any necessary alterations for it to perform properly on Debian
> systems. It might be worth trying that version. (if any alterations are
> required for proper operation on Debian and are *not* made to the
> packaged version of the script, a Debian bug is appropriate)

Thanks, I'm going to give that version a try shortly.

>> So my question becomes: Is it just my server, or others too? And why me?

> Good question. Is this a VPS?

No. Believe it or not, it's real Dell hardware. Just 700 miles away from me.

On Wed, Jan 24, 2018 at 4:13 AM, Jonathan Dowland <jmtd@debian.org> wrote:
> On Tue, Jan 23, 2018 at 05:07:15PM -0600, Nicholas Geovanis wrote:
>>
>> Sorry, should have added that the string "Linux version" also does not
>> appear in the dmesg results
>> after a reboot. So despite the check script's advice, a reboot doesn't
>> change the results here.
>
>
> Sylvestre Ledru has uploaded the script to the Debian archive (package
> spectre-meltdown-checker in sid). I haven't checked but they might have
> made any necessary alterations for it to perform properly on Debian
> systems. It might be worth trying that version. (if any alterations are
> required for proper operation on Debian and are *not* made to the
> packaged version of the script, a Debian bug is appropriate)
>
>> On Tue, Jan 23, 2018 at 5:02 PM, Nicholas Geovanis
>> <nickgeovanis@gmail.com> wrote:
>>>
>>> There was a newer version of the script (about 4 hours newer), but the
>>> new version yields the same result.
>>>
>>> So I have a debian 8.6 machine for which this test in the script is
>>> failing:
>
> (snip)
>
> This test seems to be a "pre-test": it does not actually test for
> whether PTI is enabled; it tests whether the kernel ring buffer has
> rotated. There must be a subsequent test in the script to see whether
> PTI has been enabled (that is not executed if the kernel ring buffer
> has rotated).
>
> If you can identify that subsequent test, *and* if you have your kernel
> messages logged somewhere (/var/log/kern.log*, perhaps, or within
> journald), then you could adapt the subsequent test to check against
> those logs instead of the live ring buffer.
>
>>> So my question becomes: Is it just my server, or others too? And why me?
>
>
> Good question. Is this a VPS?
>
> --
>
> ⢀⣴⠾⠻⢶⣦⠀
> ⣾⠁⢠⠒⠀⣿⡁ Jonathan Dowland
> ⢿⡄⠘⠷⠚⠋⠀ https://jmtd.net
> ⠈⠳⣄⠀⠀⠀⠀ Please do not CC me, I am subscribed to the list.
>

Thread

Question on CVE-2017-5754 on Debian 8.9 Nicholas Geovanis <nickgeovanis@gmail.com> - 2018-01-23 22:10 +0100
  Re: Question on CVE-2017-5754 on Debian 8.9 Sven Hartge <sven@svenhartge.de> - 2018-01-23 22:20 +0100
    Re: Question on CVE-2017-5754 on Debian 8.9 Nicholas Geovanis <nickgeovanis@gmail.com> - 2018-01-23 22:40 +0100
      Re: Question on CVE-2017-5754 on Debian 8.9 Sven Hartge <sven@svenhartge.de> - 2018-01-23 22:40 +0100
    Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-23 23:10 +0100
      Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-23 23:50 +0100
        Re: Question on CVE-2017-5754 on Debian 8.9 Richard Hector <richard@walnut.gen.nz> - 2018-01-24 00:00 +0100
          Re: Question on CVE-2017-5754 on Debian 8.9 Nicholas Geovanis <nickgeovanis@gmail.com> - 2018-01-24 00:10 +0100
            Re: Question on CVE-2017-5754 on Debian 8.9 Jonathan Dowland <jmtd@debian.org> - 2018-01-24 11:20 +0100
              Re: Question on CVE-2017-5754 on Debian 8.9 Nicholas Geovanis <nickgeovanis@gmail.com> - 2018-01-24 17:10 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Nicholas Geovanis <nickgeovanis@gmail.com> - 2018-01-24 19:20 +0100
          Re: Question on CVE-2017-5754 on Debian 8.9 Nicholas Geovanis <nickgeovanis@gmail.com> - 2018-01-24 00:10 +0100
            Re: Question on CVE-2017-5754 on Debian 8.9 Michael Stone <mstone@debian.org> - 2018-01-24 00:20 +0100
              Re: Question on CVE-2017-5754 on Debian 8.9 Richard Hector <richard@walnut.gen.nz> - 2018-01-24 02:20 +0100
          Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-24 12:20 +0100
            Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-24 12:40 +0100
              Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-24 13:10 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-24 13:50 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Sven Hartge <sven@svenhartge.de> - 2018-01-24 14:10 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-24 14:30 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Sven Hartge <sven@svenhartge.de> - 2018-01-24 14:50 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Vincent Lefevre <vincent@vinc17.net> - 2018-01-24 15:20 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-24 15:40 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-24 17:10 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-24 17:30 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Greg Wooledge <wooledg@eeg.ccf.org> - 2018-01-24 17:30 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-24 18:10 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 The Wanderer <wanderer@fastmail.fm> - 2018-01-24 18:30 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Greg Wooledge <wooledg@eeg.ccf.org> - 2018-01-24 18:40 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-24 19:10 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-24 19:20 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-24 19:40 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-24 21:30 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Lange <klappnase@freenet.de> - 2018-01-24 23:40 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-25 02:00 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-25 10:40 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Lange <klappnase@freenet.de> - 2018-01-25 11:00 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-25 13:00 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-25 14:00 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Greg Wooledge <wooledg@eeg.ccf.org> - 2018-01-25 14:10 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-25 14:40 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-25 17:20 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Lange <klappnase@freenet.de> - 2018-01-25 18:30 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-25 19:40 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-25 19:50 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Lange <klappnase@freenet.de> - 2018-01-25 22:00 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Brian <ad44@cityscape.co.uk> - 2018-01-25 20:30 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-25 22:00 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-25 18:40 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Lange <klappnase@freenet.de> - 2018-01-25 22:10 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-25 23:10 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-25 23:30 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-25 23:40 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Lange <klappnase@freenet.de> - 2018-01-25 23:40 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-26 00:10 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Lange <klappnase@freenet.de> - 2018-01-26 00:20 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Michael Fothergill <michael.fothergill@gmail.com> - 2018-01-24 18:30 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Vincent Lefevre <vincent@vinc17.net> - 2018-01-25 15:30 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Greg Wooledge <wooledg@eeg.ccf.org> - 2018-01-25 15:40 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 David Wright <deblis@lionunicorn.co.uk> - 2018-01-25 16:10 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Vincent Lefevre <vincent@vinc17.net> - 2018-01-25 23:20 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Jochen Spieker <ml@well-adjusted.de> - 2018-01-25 21:30 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Sven Joachim <svenjoac@gmx.de> - 2018-01-25 21:40 +0100
                Re: Question on CVE-2017-5754 on Debian 8.9 Vincent Lefevre <vincent@vinc17.net> - 2018-01-25 23:40 +0100

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