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Re: intel-microcode not fixing CVE-2018-3640, CVE-2018-3615 on Debian 10?

From Christoph Pflügler <christoph@pfluegler.net>
Newsgroups linux.debian.security
Subject Re: intel-microcode not fixing CVE-2018-3640, CVE-2018-3615 on Debian 10?
Date 2021-01-13 22:00 +0100
Message-ID <BwVpg-8gd-5@gated-at.bofh.it> (permalink)
References (3 earlier) <Bv8JX-83S-1@gated-at.bofh.it> <BvnIZ-qp-7@gated-at.bofh.it> <Bvsz0-3ny-15@gated-at.bofh.it> <BwuS7-NP-27@gated-at.bofh.it> <BwR2h-5So-7@gated-at.bofh.it>
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On 13.01.21 17:15, Michael Stone wrote:
> On Tue, Jan 12, 2021 at 05:25:23PM +0100, Giacomo Catenazzi wrote:
>> In any case, according Intel, microcode should be updated by BIOS
>
> I wonder if anyone from intel can manage to say that with a straight 
> face.
>
This is the dmesg | grep microcode output for the i5 gen3:

[    0.000000] microcode: microcode updated early to revision 0x21, date 
= 2019-02-13
[    0.222193] SRBDS: Vulnerable: No microcode
[    1.067686] microcode: sig=0x306a9, pf=0x10, revision=0x21
[    1.067856] microcode: Microcode Update Driver: v2.2.

and here the one for the E3 v5:

[    0.000000] microcode: microcode updated early to revision 0xd6, date 
= 2019-10-03
[    0.379026] SRBDS: Vulnerable: No microcode
[    1.625090] microcode: sig=0x506e3, pf=0x2, revision=0xd6
[    1.625215] microcode: Microcode Update Driver: v2.2.

Seems like the microcode is applied to my CPUs. This is also supported 
by numerous other CVEs getting mitigated after intel-microcode 
installation.

I also tried the latest meltdown-spectre-checker (v0.44), the results 
are the same (plus another red 2020 CVE).

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Thread

intel-microcode not fixing CVE-2018-3640, CVE-2018-3615 on Debian 10? Christoph Pflügler <christoph@pfluegler.net> - 2021-01-08 21:30 +0100
  Re: intel-microcode not fixing CVE-2018-3640, CVE-2018-3615 on Debian  10? Christoph Pflügler <christoph@pfluegler.net> - 2021-01-08 22:50 +0100
    Re: intel-microcode not fixing CVE-2018-3640, CVE-2018-3615 on  Debian 10? Michael Stone <mstone@debian.org> - 2021-01-08 23:50 +0100
      Re: intel-microcode not fixing CVE-2018-3640, CVE-2018-3615 on Debian  10? Christoph Pflügler <christoph@pfluegler.net> - 2021-01-09 15:50 +0100
        Re: intel-microcode not fixing CVE-2018-3640, CVE-2018-3615 on Debian  10? James Wallen <jpwallen@comcast.net> - 2021-01-09 21:00 +0100
          Re: intel-microcode not fixing CVE-2018-3640, CVE-2018-3615 on Debian  10? Giacomo Catenazzi <cate@debian.org> - 2021-01-12 17:40 +0100
            Re: intel-microcode not fixing CVE-2018-3640, CVE-2018-3615 on  Debian 10? Michael Stone <mstone@debian.org> - 2021-01-13 17:20 +0100
              Re: intel-microcode not fixing CVE-2018-3640, CVE-2018-3615 on Debian  10? Christoph Pflügler <christoph@pfluegler.net> - 2021-01-13 22:00 +0100
                Re: intel-microcode not fixing CVE-2018-3640, CVE-2018-3615 on  Debian 10? Michael Stone <mstone@debian.org> - 2021-01-14 00:00 +0100
                Re: intel-microcode not fixing CVE-2018-3640, CVE-2018-3615 on Debian  10? Christoph Pflügler <christoph@pfluegler.net> - 2021-01-14 18:30 +0100
  Re: intel-microcode not fixing CVE-2018-3640, CVE-2018-3615 on  Debian 10? Michael Stone <mstone@debian.org> - 2021-01-08 22:50 +0100

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