Sensitive Information Uncleared Before Release Affecting virt:rhel/sgabios package, versions <1:0.20170427git-2.module+el8.0.0+3075+09be6b65


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.1% (42nd percentile)

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  • Snyk IDSNYK-RHEL8-VIRT-3430915
  • published26 Jul 2021
  • disclosed14 May 2019

Introduced: 14 May 2019

CVE-2019-11091  (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 virt:rhel/sgabios to version 1:0.20170427git-2.module+el8.0.0+3075+09be6b65 or higher.
This issue was patched in RHSA-2019:1175.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:rhel/sgabios package and not the virt:rhel/sgabios package as distributed by RHEL. See How to fix? for RHEL: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