Information Exposure Affecting intel-microcode package, versions <3.20190514.0ubuntu0.16.04.1


Severity

Recommended
high

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.08% (36th percentile)

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  • Snyk IDSNYK-UBUNTU1604-INTELMICROCODE-346442
  • published15 May 2019
  • disclosed30 May 2019

Introduced: 15 May 2019

CVE-2018-12126  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 intel-microcode to version 3.20190514.0ubuntu0.16.04.1 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.

Microarchitectural Store Buffer Data Sampling (MSBDS): Store buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf

References