Information Exposure Affecting intel-microcode package, versions <3.20180807a.0ubuntu0.16.04.1


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.62% (79th percentile)

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  • Snyk IDSNYK-UBUNTU1604-INTELMICROCODE-325104
  • published22 May 2018
  • disclosed22 May 2018

Introduced: 22 May 2018

CVE-2018-3640  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 intel-microcode to version 3.20180807a.0ubuntu0.16.04.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream intel-microcode package and not the intel-microcode package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

Systems with microprocessors utilizing speculative execution and that perform speculative reads of system registers may allow unauthorized disclosure of system parameters to an attacker with local user access via a side-channel analysis, aka Rogue System Register Read (RSRE), Variant 3a.

References