Red Hat Security Advisory

RHSA-2025:19440

kernel-rt security update

Released 2025-11-03 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-core-4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-debug-4.18.0-553.82.1.rt7.423.el8_10 +9
Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-core-4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-debug-4.18.0-553.82.1.rt7.423.el8_10 +7

Fixes 3 records

TI-2025-26538 CVE-2025-39864 · GHSA-mrpv-wrf5-7wr6

wifi: cfg80211: fix use-after-free in cmp_bss()

MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmp_bss() Following bss_free() quirk introduced in commit 776b3580178f ("cfg80211: track hidden SSID networks prop…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00235 Published 2025-09-19 Partial fix · 5.4.299, 5.10.243 +6 CWE-416

TI-2023-29519 CVE-2023-53226 · GHSA-9w8v-7p4r-hqf4

wifi: mwifiex: Fix OOB and integer underflow when rx packets

LOW 38

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Fix OOB and integer underflow when rx packets Make sure mwifiex_process_mgmt_packet, mwifiex_process_sta_rx_packet and mwifiex_process_ua…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00243 Published 2025-09-15 Partial fix · 4.14.326, 4.19.295 +7 CWE-191

TI-2023-29549 CVE-2023-53257 · GHSA-5qfv-wj98-fqxv

wifi: mac80211: check S1G action frame size

LOW 35

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: check S1G action frame size Before checking the action code, check that it even exists in the frame.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00214 Published 2025-09-15 Partial fix · 5.15.133, 6.1.55 +2