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Rocky Linux 8 kernel-rt Important Denial of Service Fix RLSA-2026-27354

rocky
Calendar Grey June 22, 2026
Rockylinux Esm H88
Urgent update for Rocky Linux 8 addressing important kernel-rt security issues, including critical denial of service risks.
Important: kernel-rt security, bug fix, and enhancement 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 denial of service security issue important kernel-rt rocky linux

RPMs

kernel-rt-0:4.18.0-553.136.1.rt7.477.el8_10.src.rpm

kernel-rt-0:4.18.0-553.136.1.rt7.477.el8_10.x86_64.rpm

kernel-rt-core-0:4.18.0-553.136.1.rt7.477.el8_10.x86_64.rpm

kernel-rt-debug-0:4.18.0-553.136.1.rt7.477.el8_10.x86_64.rpm

kernel-rt-debug-core-0:4.18.0-553.136.1.rt7.477.el8_10.x86_64.rpm

kernel-rt-debug-debuginfo-0:4.18.0-553.136.1.rt7.477.el8_10.x86_64.rpm

kernel-rt-debug-devel-0:4.18.0-553.136.1.rt7.477.el8_10.x86_64.rpm

kernel-rt-debuginfo-0:4.18.0-553.136.1.rt7.477.el8_10.x86_64.rpm

kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.136.1.rt7.477.el8_10.x86_64.rpm

kernel-rt-debug-kvm-0:4.18.0-553.136.1.rt7.477.el8_10.x86_64.rpm

kernel-rt-debug-modules-0:4.18.0-553.136.1.rt7.477.el8_10.x86_64.rpm

kernel-rt-debug-modules-extra-0:4.18.0-553.136.1.rt7.477.el8_10.x86_64.rpm

kernel-rt-devel-0:4.18.0-553.136.1.rt7.477.el8_10.x86_64.rpm

kernel-rt-kvm-0:4.18.0-553.136.1.rt7.477.el8_10.x86_64.rpm

kernel-rt-modules-0:4.18.0-553.136.1.rt7.477.el8_10.x86_64.rpm

Read the Full Advisory

References

No references

CVES

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-31419

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-31488

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-43056

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-43279

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-46090

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-46135

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-46145

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-46331

Severity
important

Name: RLSA-2026:27354
Affected Products: Rocky Linux 8

Fixes

https://bugzilla.redhat.com/show_bug.cgi?id=2457829

https://bugzilla.redhat.com/show_bug.cgi?id=2460619

https://bugzilla.redhat.com/show_bug.cgi?id=2464449

https://bugzilla.redhat.com/show_bug.cgi?id=2467215

https://bugzilla.redhat.com/show_bug.cgi?id=2479492

https://bugzilla.redhat.com/show_bug.cgi?id=2481980

https://bugzilla.redhat.com/show_bug.cgi?id=2482581

https://bugzilla.redhat.com/show_bug.cgi?id=2482654


Topics%20covered

Topics Covered

security advisory denial of service security issue important kernel-rt rocky linux

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