ALSA-2025:19440
ALSA-2025:19440 · Moderate: kernel-rt security update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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: mac80211: check S1G action frame size (CVE-2023-53257) * kernel: wifi: mwifiex: Fix OOB and integer underflow when rx packets (CVE-2023-53226) * kernel: wifi: cfg80211: fix use-after-free in cmp_bss() (CVE-2025-39864) 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.
Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel-rt AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.82.1.rt7.423.el8_10
Update to 4.18.0-553.82.1.rt7.423.el8_10
kernel-rt-core AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.82.1.rt7.423.el8_10
Update to 4.18.0-553.82.1.rt7.423.el8_10
kernel-rt-debug AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.82.1.rt7.423.el8_10
Update to 4.18.0-553.82.1.rt7.423.el8_10
kernel-rt-debug-core AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.82.1.rt7.423.el8_10
Update to 4.18.0-553.82.1.rt7.423.el8_10
kernel-rt-debug-devel AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.82.1.rt7.423.el8_10
Update to 4.18.0-553.82.1.rt7.423.el8_10
kernel-rt-debug-modules AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.82.1.rt7.423.el8_10
Update to 4.18.0-553.82.1.rt7.423.el8_10
kernel-rt-debug-modules-extra AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.82.1.rt7.423.el8_10
Update to 4.18.0-553.82.1.rt7.423.el8_10
kernel-rt-devel AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.82.1.rt7.423.el8_10
Update to 4.18.0-553.82.1.rt7.423.el8_10
kernel-rt-modules AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.82.1.rt7.423.el8_10
Update to 4.18.0-553.82.1.rt7.423.el8_10
kernel-rt-modules-extra AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.82.1.rt7.423.el8_10
Update to 4.18.0-553.82.1.rt7.423.el8_10
Original sources
- https://access.redhat.com/errata/RHSA-2025:19440
- https://access.redhat.com/security/cve/CVE-2023-53226
- https://access.redhat.com/security/cve/CVE-2023-53257
- https://access.redhat.com/security/cve/CVE-2025-39864
- https://bugzilla.redhat.com/2395253
- https://bugzilla.redhat.com/2395420
- https://bugzilla.redhat.com/2396934
- https://errata.almalinux.org/8/ALSA-2025-19440.html
- https://osv.dev/vulnerability/ALSA-2025:19440