Linux Security
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Linux Security

Debian: DSA-4701-1: intel-microcode security update

Date 11 Jun 2020
492
Posted By LinuxSecurity Advisories
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.

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Debian Security Advisory DSA-4701-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                     Salvatore Bonaccorso
June 11, 2020                         https://www.debian.org/security/faq
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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: This email address is being protected from spambots. You need JavaScript enabled to view it.

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