Sensitive Information Uncleared Before Release Affecting kernel-rt-modules-extra package, versions <0:4.18.0-80.1.2.rt9.145.el8_0


Severity

Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.1% (42nd percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELRTMODULESEXTRA-1978982
  • published 26 Jul 2021
  • disclosed 14 May 2019

How to fix?

Upgrade Centos:8 kernel-rt-modules-extra to version 0:4.18.0-80.1.2.rt9.145.el8_0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-modules-extra package and not the kernel-rt-modules-extra package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

Microarchitectural Data Sampling Uncacheable Memory (MDSUM): Uncacheable memory 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