Skip to content
OpenAdvisories
Medium ALSA-2025:8247 2 CVEs

Moderate: kernel-rt security update

Published May 28, 2025 · Updated Nov 2, 2026

Summary

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: wifi: rtw89: Fix array index mistake in rtw89_sta_info_get_iter() (CVE-2024-43842)

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.

Fixed packages 10

ReleasePackageFixed in
AlmaLinux · 8 kernel-rt 4.18.0-553.54.1.rt7.395.el8_10
AlmaLinux · 8 kernel-rt-core 4.18.0-553.54.1.rt7.395.el8_10
AlmaLinux · 8 kernel-rt-debug 4.18.0-553.54.1.rt7.395.el8_10
AlmaLinux · 8 kernel-rt-debug-core 4.18.0-553.54.1.rt7.395.el8_10
AlmaLinux · 8 kernel-rt-debug-devel 4.18.0-553.54.1.rt7.395.el8_10
AlmaLinux · 8 kernel-rt-debug-modules 4.18.0-553.54.1.rt7.395.el8_10
AlmaLinux · 8 kernel-rt-debug-modules-extra 4.18.0-553.54.1.rt7.395.el8_10
AlmaLinux · 8 kernel-rt-devel 4.18.0-553.54.1.rt7.395.el8_10
AlmaLinux · 8 kernel-rt-modules 4.18.0-553.54.1.rt7.395.el8_10
AlmaLinux · 8 kernel-rt-modules-extra 4.18.0-553.54.1.rt7.395.el8_10

Vulnerabilities 2

  • High 7.8

    sched/rt: Fix race in push_rt_task

    In the Linux kernel, the following vulnerability has been resolved: sched/rt: Fix race in push_rt_task Overview ======== When a CPU chooses to call push_rt_task and picks a task to push to another CPU's runqueue then it will call find_lock_lowest_rq method wh…

  • Unscored —

    wifi: rtw89: Fix array index mistake in rtw89_sta_info_get_iter()

    In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: Fix array index mistake in rtw89_sta_info_get_iter() In rtw89_sta_info_get_iter() 'status->he_gi' is compared to array size. But then 'rate->he_gi' is used as array index instead…

References

  • report
    https://access.redhat.com/security/cve/CVE-2024-43842
  • advisory
    https://errata.almalinux.org/8/ALSA-2025-8247.html
  • report
    https://www.redhat.com/security/data/cve/CVE-2025-38234.html