Sensitive Information Uncleared Before Release Affecting kernel-rt-devel 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-KERNELRTDEVEL-3420685
  • published26 Jul 2021
  • disclosed14 May 2019

Introduced: 14 May 2019

CVE-2018-12126  (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)
First added by Snyk

How to fix?

Upgrade RHEL:8 kernel-rt-devel 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-devel package and not the kernel-rt-devel package as distributed by RHEL. See How to fix? for RHEL:8 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