RHSA-2019:3833 — Security Advisory

Red Hat Security Advisory: kernel-rt security update

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Severity

Important

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · November 13, 2019

Updated · June 28, 2026

Topic

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

  • hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207)

  • hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)

  • hw: Intel GPU Denial Of Service while accessing MMIO in lower power state (CVE-2019-0154)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Related CVEs

RHSA-2019:3833 — Red Hat Security Advisory: kernel-rt security update | PulseLinux