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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.2048
                      intel-microcode security update
                               12 June 2020

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           intel-microcode
Publisher:         Debian
Operating System:  Debian GNU/Linux 9
                   Debian GNU/Linux 10
Impact/Access:     Access Privileged Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-0549 CVE-2020-0548 CVE-2020-0543

Reference:         ESB-2020.2018
                   ESB-2020.0291

Original Bulletin: 
   http://www.debian.org/security/2020/dsa-4701

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Debian Security Advisory DSA-4701-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
June 11, 2020                         https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : intel-microcode
CVE ID         : CVE-2020-0543 CVE-2020-0548 CVE-2020-0549

This update ships updated CPU microcode for some types of Intel CPUs and
provides mitigations for the Special Register Buffer Data Sampling
(CVE-2020-0543), Vector Register Sampling (CVE-2020-0548) and L1D
Eviction Sampling (CVE-2020-0549) hardware vulnerabilities.

The microcode update for HEDT and Xeon CPUs with signature 0x50654 which
was reverted in DSA 4565-2 is now included again with a fixed release.

The upstream update for Skylake-U/Y (signature 0x406e3) had to be
excluded from this update due to reported hangs on boot.

For details refer to
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00320.html
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00329.html

For the oldstable distribution (stretch), these problems have been fixed
in version 3.20200609.2~deb9u1.

For the stable distribution (buster), these problems have been fixed in
version 3.20200609.2~deb10u1.

We recommend that you upgrade your intel-microcode packages.

For the detailed security status of intel-microcode please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/intel-microcode

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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