Information Exposure Affecting kernel-cross-headers package, versions <0:4.18.0-80.1.2.el8_0


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.08% (36th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-RHEL8-KERNELCROSSHEADERS-3433313
  • published26 Jul 2021
  • disclosed14 May 2019

Introduced: 14 May 2019

CVE-2018-12130  (opens in a new tab)
CWE-203  (opens in a new tab)
CWE-385  (opens in a new tab)
CWE-226  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-cross-headers to version 0:4.18.0-80.1.2.el8_0 or higher.
This issue was patched in RHSA-2019:1167.

NVD Description

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

Microarchitectural Fill Buffer Data Sampling (MFBDS): Fill 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