RHSA-2026:42550

Advisory lineage Upstream: 2 Downstream: 0
Published: 23 Jul 2026, 10:14
Last modified:16 Sept 2026, 10:10

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_red_hat)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Jul 2026, 10:14
Published
Vulnerability first disclosed
16 Sept 2026, 10:10
Last Modified
Vulnerability information updated

Description

Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • redhat•kernel-rt

    < 0:4.18.0-553.146.1.rt7.487.el8_10 | < 0:4.18.0-553.146.1.rt7.487.el8_10

  • redhat•kernel-rt-core

    < 0:4.18.0-553.146.1.rt7.487.el8_10 | < 0:4.18.0-553.146.1.rt7.487.el8_10

  • redhat•kernel-rt-debug

    < 0:4.18.0-553.146.1.rt7.487.el8_10 | < 0:4.18.0-553.146.1.rt7.487.el8_10

  • redhat•kernel-rt-debug-core

    < 0:4.18.0-553.146.1.rt7.487.el8_10 | < 0:4.18.0-553.146.1.rt7.487.el8_10

  • redhat•kernel-rt-debug-debuginfo

    < 0:4.18.0-553.146.1.rt7.487.el8_10 | < 0:4.18.0-553.146.1.rt7.487.el8_10

  • redhat•kernel-rt-debug-devel

    < 0:4.18.0-553.146.1.rt7.487.el8_10 | < 0:4.18.0-553.146.1.rt7.487.el8_10

  • redhat•kernel-rt-debug-kvm

    < 0:4.18.0-553.146.1.rt7.487.el8_10

  • redhat•kernel-rt-debug-modules

    < 0:4.18.0-553.146.1.rt7.487.el8_10 | < 0:4.18.0-553.146.1.rt7.487.el8_10

  • redhat•kernel-rt-debug-modules-extra

    < 0:4.18.0-553.146.1.rt7.487.el8_10 | < 0:4.18.0-553.146.1.rt7.487.el8_10

  • redhat•kernel-rt-debuginfo

    < 0:4.18.0-553.146.1.rt7.487.el8_10 | < 0:4.18.0-553.146.1.rt7.487.el8_10

  • redhat•kernel-rt-debuginfo-common-x86_64

    < 0:4.18.0-553.146.1.rt7.487.el8_10 | < 0:4.18.0-553.146.1.rt7.487.el8_10

  • redhat•kernel-rt-devel

    < 0:4.18.0-553.146.1.rt7.487.el8_10 | < 0:4.18.0-553.146.1.rt7.487.el8_10

  • redhat•kernel-rt-kvm

    < 0:4.18.0-553.146.1.rt7.487.el8_10

  • redhat•kernel-rt-modules

    < 0:4.18.0-553.146.1.rt7.487.el8_10 | < 0:4.18.0-553.146.1.rt7.487.el8_10

  • redhat•kernel-rt-modules-extra

    < 0:4.18.0-553.146.1.rt7.487.el8_10 | < 0:4.18.0-553.146.1.rt7.487.el8_10

References (13)