RHSA-2023:1988: Moderate: kernel-rt security and bug fix update

Published Apr 25, 2023
·
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): kernel: memory corruption in usbmon driver (CVE-2022-43750) 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): decandlock: module license 'unspecified' taints kernel. (BZ#2161435) kernel-rt: update to the latest RHEL7.9.z22 source tree (BZ#2171976)

Affected Software

17 affected componentsFixes available
redhat/kernel-rt<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt-debug<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt-debug-debuginfo<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt-debug-devel<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt-debuginfo<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt-devel<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt-doc<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt-trace<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt-trace-debuginfo<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt-trace-devel<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt-debug-kvm<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt-debug-kvm-debuginfo<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt-kvm<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt-kvm-debuginfo<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt-trace-kvm<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7
redhat/kernel-rt-trace-kvm-debuginfo<3.10.0-1160.90.1.rt56.1235.el7
3.10.0-1160.90.1.rt56.1235.el7

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 3.10.0-1160.90.1.rt56.1235.el7
  2. Upgrade

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

    Fixed in 3.10.0-1160.90.1.rt56.1235.el7
  3. Upgrade

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

    Fixed in 3.10.0-1160.90.1.rt56.1235.el7
  4. Upgrade

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

    Fixed in 3.10.0-1160.90.1.rt56.1235.el7
  5. Upgrade

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

    Fixed in 3.10.0-1160.90.1.rt56.1235.el7
  6. Upgrade

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

    Fixed in 3.10.0-1160.90.1.rt56.1235.el7
  7. Upgrade

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

    Fixed in 3.10.0-1160.90.1.rt56.1235.el7
  8. Upgrade

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

    Fixed in 3.10.0-1160.90.1.rt56.1235.el7
  9. Upgrade

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

    Fixed in 3.10.0-1160.90.1.rt56.1235.el7
  10. Upgrade

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

    Fixed in 3.10.0-1160.90.1.rt56.1235.el7
  11. Upgrade

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

    Fixed in 3.10.0-1160.90.1.rt56.1235.el7
  12. Upgrade

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

    Fixed in 3.10.0-1160.90.1.rt56.1235.el7
  13. Upgrade

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

    Fixed in 3.10.0-1160.90.1.rt56.1235.el7
  14. Upgrade

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

    Fixed in 3.10.0-1160.90.1.rt56.1235.el7
  15. Upgrade

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

    Fixed in 3.10.0-1160.90.1.rt56.1235.el7
  16. Upgrade

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

    Fixed in 3.10.0-1160.90.1.rt56.1235.el7

Event History

Jul 28, 2026
Advisory Published
via Red Hat·01:51 AM
Data Sourced
via Red Hat·01:51 AM
RemedyDescriptionAffected Software

Frequently Asked Questions

1

What is the severity of RHSA-2023:1988?

The severity of RHSA-2023:1988 is classified as moderate.

2

How do I fix RHSA-2023:1988?

To fix RHSA-2023:1988, update the kernel-rt packages to version 3.10.0-1160.90.1.rt56.1235.el7.

3

What types of systems are affected by RHSA-2023:1988?

RHSA-2023:1988 affects systems using the Real Time Linux Kernel, specifically ones running the specified version of kernel-rt.

4

What vulnerability is addressed by RHSA-2023:1988?

RHSA-2023:1988 addresses a memory corruption vulnerability in the usbmon driver identified as CVE-2022-43750.

5

Is RHSA-2023:1988 specific to certain architectures?

Yes, RHSA-2023:1988 applies to the x86_64 architecture of the kernel-rt packages.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203