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


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.08% (35th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUGKVM-3863450
  • published26 Jul 2021
  • disclosed14 May 2019

Introduced: 14 May 2019

CVE-2018-12127  (opens in a new tab)
CWE-226  (opens in a new tab)
CWE-203  (opens in a new tab)
CWE-385  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug-kvm to version 0:4.18.0-80.1.2.rt9.145.el8_0 or higher.
This issue was patched in RHSA-2019:1174.

NVD Description

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

Microarchitectural Load Port Data Sampling (MLPDS): Load ports 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