Debian LTS: DLA-2743-1: amd64-microcode security update

Advisories


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Debian LTS Advisory DLA-2743-1              [email protected]
https://www.debian.org/lts/security/                      Utkarsh Gupta
August 16, 2021                             https://wiki.debian.org/LTS
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Package        : amd64-microcode
Version        : 3.20181128.1~deb9u1
CVE ID         : CVE-2017-5715
Debian Bug     : 886382

It was discovered that systems with microprocessors utilizing
speculative execution and indirect branch prediction may allow
unauthorized disclosure of information to an attacker with local
user access via a side-channel analysis (Spectre v2).
Multiple fixes were done already in Linux kernel, intel-microcode,
et al. This fix adds amd-microcode-based IBPB support.

For Debian 9 stretch, this problem has been fixed in version
3.20181128.1~deb9u1.

We recommend that you upgrade your amd64-microcode packages.

For the detailed security status of amd64-microcode please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/amd64-microcode

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

Debian LTS: DLA-2743-1: amd64-microcode security update

August 16, 2021
It was discovered that systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker w...

Summary

For Debian 9 stretch, this problem has been fixed in version
3.20181128.1~deb9u1.

We recommend that you upgrade your amd64-microcode packages.

For the detailed security status of amd64-microcode please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/amd64-microcode

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

Severity
Package : amd64-microcode
Version : 3.20181128.1~deb9u1
CVE ID : CVE-2017-5715
Debian Bug : 886382

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