RHSA-2022:5934: Moderate: kernel-rt security and bug fix update

Published Aug 9, 2022
·
Updated

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.Security Fix(es): A kernel-info-leak issue in pfkeyregister (CVE-2022-1353) 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.Bug Fix(es): update RT source tree to the latest RHEL-8.2.z19 Batch (BZ#2081832)

Affected Software

15 affected componentsFixes available
redhat/kernel-rt<4.18.0-193.90.1.rt13.140.el8_2
4.18.0-193.90.1.rt13.140.el8_2
redhat/kernel-rt<4.18.0-193.90.1.rt13.140.el8_2
4.18.0-193.90.1.rt13.140.el8_2
redhat/kernel-rt-core<4.18.0-193.90.1.rt13.140.el8_2
4.18.0-193.90.1.rt13.140.el8_2
redhat/kernel-rt-debug<4.18.0-193.90.1.rt13.140.el8_2
4.18.0-193.90.1.rt13.140.el8_2
redhat/kernel-rt-debug-core<4.18.0-193.90.1.rt13.140.el8_2
4.18.0-193.90.1.rt13.140.el8_2
redhat/kernel-rt-debug-debuginfo<4.18.0-193.90.1.rt13.140.el8_2
4.18.0-193.90.1.rt13.140.el8_2
redhat/kernel-rt-debug-devel<4.18.0-193.90.1.rt13.140.el8_2
4.18.0-193.90.1.rt13.140.el8_2
redhat/kernel-rt-debug-modules<4.18.0-193.90.1.rt13.140.el8_2
4.18.0-193.90.1.rt13.140.el8_2
redhat/kernel-rt-debug-modules-extra<4.18.0-193.90.1.rt13.140.el8_2
4.18.0-193.90.1.rt13.140.el8_2
redhat/kernel-rt-debuginfo<4.18.0-193.90.1.rt13.140.el8_2
4.18.0-193.90.1.rt13.140.el8_2
redhat/kernel-rt-devel<4.18.0-193.90.1.rt13.140.el8_2
4.18.0-193.90.1.rt13.140.el8_2
redhat/kernel-rt-modules<4.18.0-193.90.1.rt13.140.el8_2
4.18.0-193.90.1.rt13.140.el8_2
redhat/kernel-rt-modules-extra<4.18.0-193.90.1.rt13.140.el8_2
4.18.0-193.90.1.rt13.140.el8_2
redhat/kernel-rt-debug-kvm<4.18.0-193.90.1.rt13.140.el8_2
4.18.0-193.90.1.rt13.140.el8_2
redhat/kernel-rt-kvm<4.18.0-193.90.1.rt13.140.el8_2
4.18.0-193.90.1.rt13.140.el8_2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/kernel-rt to a version that resolves this vulnerability.

    Fixed in 4.18.0-193.90.1.rt13.140.el8_2
  2. Upgrade

    Upgrade redhat/kernel-rt-core to a version that resolves this vulnerability.

    Fixed in 4.18.0-193.90.1.rt13.140.el8_2
  3. Upgrade

    Upgrade redhat/kernel-rt-debug to a version that resolves this vulnerability.

    Fixed in 4.18.0-193.90.1.rt13.140.el8_2
  4. Upgrade

    Upgrade redhat/kernel-rt-debug-core to a version that resolves this vulnerability.

    Fixed in 4.18.0-193.90.1.rt13.140.el8_2
  5. Upgrade

    Upgrade redhat/kernel-rt-debug-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.18.0-193.90.1.rt13.140.el8_2
  6. Upgrade

    Upgrade redhat/kernel-rt-debug-devel to a version that resolves this vulnerability.

    Fixed in 4.18.0-193.90.1.rt13.140.el8_2
  7. Upgrade

    Upgrade redhat/kernel-rt-debug-modules to a version that resolves this vulnerability.

    Fixed in 4.18.0-193.90.1.rt13.140.el8_2
  8. Upgrade

    Upgrade redhat/kernel-rt-debug-modules-extra to a version that resolves this vulnerability.

    Fixed in 4.18.0-193.90.1.rt13.140.el8_2
  9. Upgrade

    Upgrade redhat/kernel-rt-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.18.0-193.90.1.rt13.140.el8_2
  10. Upgrade

    Upgrade redhat/kernel-rt-devel to a version that resolves this vulnerability.

    Fixed in 4.18.0-193.90.1.rt13.140.el8_2
  11. Upgrade

    Upgrade redhat/kernel-rt-modules to a version that resolves this vulnerability.

    Fixed in 4.18.0-193.90.1.rt13.140.el8_2
  12. Upgrade

    Upgrade redhat/kernel-rt-modules-extra to a version that resolves this vulnerability.

    Fixed in 4.18.0-193.90.1.rt13.140.el8_2
  13. Upgrade

    Upgrade redhat/kernel-rt-debug-kvm to a version that resolves this vulnerability.

    Fixed in 4.18.0-193.90.1.rt13.140.el8_2
  14. Upgrade

    Upgrade redhat/kernel-rt-kvm to a version that resolves this vulnerability.

    Fixed in 4.18.0-193.90.1.rt13.140.el8_2

Event History

Jul 6, 2026
Advisory Published
via Red Hat·10:11 PM
Data Sourced
via Red Hat·10:11 PM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2022:5934?

The severity of RHSA-2022:5934 is classified as moderate.

2

How do I fix RHSA-2022:5934?

To fix RHSA-2022:5934, update your kernel-rt packages to version 4.18.0-193.90.1.rt13.140.el8_2.

3

What is the kernel-info-leak issue in CVE-2022-1353 mentioned in RHSA-2022:5934?

The kernel-info-leak issue in CVE-2022-1353 can lead to sensitive information being disclosed from memory.

4

Which packages are affected by RHSA-2022:5934?

Affected packages include kernel-rt, kernel-rt-core, kernel-rt-debug, and several other kernel-rt variants listed in the advisory.

5

Is it necessary to restart my system after applying the fix for RHSA-2022:5934?

Yes, a system restart is usually necessary to ensure the kernel updates take effect.

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