Advisory Published

RHSA-2020:5506: Moderate: kernel-rt security and bug fix update

First published: Tue Dec 15 2020(Updated: )

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.<br>Security Fix(es):<br><li> kernel: information exposure in drivers/char/random.c and kernel/time/timer.c (CVE-2020-16166)</li> 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.<br>Bug Fix(es):<br><li> kernel-rt: update RT source tree to the RHEL-8.3.z2 source tree (BZ#1894706)</li>

Affected SoftwareAffected VersionHow to fix
redhat/kernel-rt<4.18.0-240.8.1.rt7.62.el8_3
4.18.0-240.8.1.rt7.62.el8_3
redhat/kernel-rt<4.18.0-240.8.1.rt7.62.el8_3
4.18.0-240.8.1.rt7.62.el8_3
redhat/kernel-rt-core<4.18.0-240.8.1.rt7.62.el8_3
4.18.0-240.8.1.rt7.62.el8_3
redhat/kernel-rt-debug<4.18.0-240.8.1.rt7.62.el8_3
4.18.0-240.8.1.rt7.62.el8_3
redhat/kernel-rt-debug-core<4.18.0-240.8.1.rt7.62.el8_3
4.18.0-240.8.1.rt7.62.el8_3
redhat/kernel-rt-debug-debuginfo<4.18.0-240.8.1.rt7.62.el8_3
4.18.0-240.8.1.rt7.62.el8_3
redhat/kernel-rt-debug-devel<4.18.0-240.8.1.rt7.62.el8_3
4.18.0-240.8.1.rt7.62.el8_3
redhat/kernel-rt-debug-modules<4.18.0-240.8.1.rt7.62.el8_3
4.18.0-240.8.1.rt7.62.el8_3
redhat/kernel-rt-debug-modules-extra<4.18.0-240.8.1.rt7.62.el8_3
4.18.0-240.8.1.rt7.62.el8_3
redhat/kernel-rt-debuginfo<4.18.0-240.8.1.rt7.62.el8_3
4.18.0-240.8.1.rt7.62.el8_3
redhat/kernel-rt-devel<4.18.0-240.8.1.rt7.62.el8_3
4.18.0-240.8.1.rt7.62.el8_3
redhat/kernel-rt-modules<4.18.0-240.8.1.rt7.62.el8_3
4.18.0-240.8.1.rt7.62.el8_3
redhat/kernel-rt-modules-extra<4.18.0-240.8.1.rt7.62.el8_3
4.18.0-240.8.1.rt7.62.el8_3
redhat/kernel-rt-debug-kvm<4.18.0-240.8.1.rt7.62.el8_3
4.18.0-240.8.1.rt7.62.el8_3
redhat/kernel-rt-kvm<4.18.0-240.8.1.rt7.62.el8_3
4.18.0-240.8.1.rt7.62.el8_3

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Frequently Asked Questions

  • What is the severity of RHSA-2020:5506?

    The severity of RHSA-2020:5506 is classified as moderate.

  • How do I fix RHSA-2020:5506?

    To fix RHSA-2020:5506, update your kernel-rt packages to version 4.18.0-240.8.1.rt7.62.el8_3.

  • What vulnerability is addressed by RHSA-2020:5506?

    RHSA-2020:5506 addresses information exposure vulnerabilities in drivers related to random number generation and timer management (CVE-2020-16166).

  • Which packages are affected by RHSA-2020:5506?

    The affected packages include various kernel-rt packages such as kernel-rt, kernel-rt-core, and kernel-rt-debug.

  • Is there a workaround for RHSA-2020:5506 until I can apply the update?

    There is no specific workaround mentioned for RHSA-2020:5506, and it is recommended to apply the available updates.

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