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Rocky Linux 8 RLSA-2026-6043 kernel-rt Severe Security Flaw Risk

rocky
Calendar Grey April 7, 2026
Rockylinux Esm H88
A moderate security update for kernel-rt on Rocky Linux 8 addresses multiple vulnerabilities. Important fixes included.
Moderate: kernel-rt security update

Summary

An update is available for kernel-rt. This update affects Rocky Linux 8. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list


Topics%20covered

Topics Covered

security advisory moderate security update kernel-rt use-after-free rocky linux

RPMs

kernel-rt-0:4.18.0-553.115.1.rt7.456.el8_10.src.rpm

kernel-rt-0:4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm

kernel-rt-core-0:4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm

kernel-rt-debug-0:4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm

kernel-rt-debug-core-0:4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm

kernel-rt-debug-debuginfo-0:4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm

kernel-rt-debug-devel-0:4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm

kernel-rt-debuginfo-0:4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm

kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm

kernel-rt-debug-kvm-0:4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm

kernel-rt-debug-modules-0:4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm

kernel-rt-debug-modules-extra-0:4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm

kernel-rt-devel-0:4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm

kernel-rt-kvm-0:4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm

kernel-rt-modules-0:4.18.0-553.115.1.rt7.456.el8_10.x86_64.rpm

Read the Full Advisory

References

No references

CVES

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-38180

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-23204

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-23209

Name: RLSA-2026:6036
Affected Products: Rocky Linux 8

Fixes

https://bugzilla.redhat.com/show_bug.cgi?id=2376376

https://bugzilla.redhat.com/show_bug.cgi?id=2439900

https://bugzilla.redhat.com/show_bug.cgi?id=2439931


Topics%20covered

Topics Covered

security advisory moderate security update kernel-rt use-after-free rocky linux

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