RHSA-2023:3350: Important: kernel-rt security and bug fix update

Published May 30, 2023
·
Updated

Important: kernel-rt security and bug fix update

Other sources

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: netfilter: use-after-free in nftables when processing batch requests can lead to privilege escalation (CVE-2023-32233) 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): smpboot: Scheduler frequency invariance went wobbly, disabling! (BZ#2188316) Crash: kernel BUG at kernel/locking/rtmutex.c:1338! (BZ#2188722) kernel-rt: update RT source tree to the RHEL-8.8.z0 source tree. (BZ#2196667)

Red Hat

Affected Software

17 affected componentsFixes available
redhat/kernel-rt<4.18.0-477.13.1.rt7.276.el8_8
4.18.0-477.13.1.rt7.276.el8_8
redhat/kernel-rt<4.18.0-477.13.1.rt7.276.el8_8
4.18.0-477.13.1.rt7.276.el8_8
redhat/kernel-rt-core<4.18.0-477.13.1.rt7.276.el8_8
4.18.0-477.13.1.rt7.276.el8_8
redhat/kernel-rt-debug<4.18.0-477.13.1.rt7.276.el8_8
4.18.0-477.13.1.rt7.276.el8_8
redhat/kernel-rt-debug-core<4.18.0-477.13.1.rt7.276.el8_8
4.18.0-477.13.1.rt7.276.el8_8
redhat/kernel-rt-debug-debuginfo<4.18.0-477.13.1.rt7.276.el8_8
4.18.0-477.13.1.rt7.276.el8_8
redhat/kernel-rt-debug-devel<4.18.0-477.13.1.rt7.276.el8_8
4.18.0-477.13.1.rt7.276.el8_8
redhat/kernel-rt-debug-modules<4.18.0-477.13.1.rt7.276.el8_8
4.18.0-477.13.1.rt7.276.el8_8
redhat/kernel-rt-debug-modules-extra<4.18.0-477.13.1.rt7.276.el8_8
4.18.0-477.13.1.rt7.276.el8_8
redhat/kernel-rt-debuginfo<4.18.0-477.13.1.rt7.276.el8_8
4.18.0-477.13.1.rt7.276.el8_8
redhat/kernel-rt-devel<4.18.0-477.13.1.rt7.276.el8_8
4.18.0-477.13.1.rt7.276.el8_8
redhat/kernel-rt-modules<4.18.0-477.13.1.rt7.276.el8_8
4.18.0-477.13.1.rt7.276.el8_8
redhat/kernel-rt-modules-extra<4.18.0-477.13.1.rt7.276.el8_8
4.18.0-477.13.1.rt7.276.el8_8
redhat/kernel-rt-debug-kvm<4.18.0-477.13.1.rt7.276.el8_8
4.18.0-477.13.1.rt7.276.el8_8
redhat/kernel-rt-kvm<4.18.0-477.13.1.rt7.276.el8_8
4.18.0-477.13.1.rt7.276.el8_8
Red Hat Red Hat Enterprise Linux for Real Time for NFV
Red Hat Red Hat Enterprise Linux for Real Time for NFV - Telecommunications Update Service

Remediation

Event History

May 30, 2023
Advisory Published
02:45 PM
Mar 20, 2024
Advisory Published
via Red Hat·12:07 AM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of RHSA-2023:3350?

The severity of RHSA-2023:3350 is high.

2

What is the affected software for RHSA-2023:3350?

The affected software for RHSA-2023:3350 is kernel-rt and its related packages.

3

How do I fix RHSA-2023:3350?

To fix RHSA-2023:3350, update your kernel-rt packages to version 4.18.0-477.13.1.rt7.276.el8_8 or later.

4

Where can I find more information about RHSA-2023:3350?

You can find more information about RHSA-2023:3350 in the Red Hat Bugzilla and Red Hat Security Advisories.

5

What is the Common Weakness Enumeration (CWE) for RHSA-2023:3350?

The CWE for RHSA-2023:3350 is CWE-416.

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