Red Hat alert RHSA-2025:23422-01 (kernel-rt)

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2
Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of
Important. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

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: scsi: qla2xxx: Wait for io return on terminate rport
(CVE-2023-53322)

* kernel: wifi: cfg80211: fix use-after-free in cmp_bss() (CVE-2025-39864)

* kernel: tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect()
(CVE-2025-39955)

* kernel: tcp: Don't call reqsk_fastopen_remove() in tcp_conn_request()
(CVE-2025-40186)

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.

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Original: https://access.redhat.com/security/data/csaf/v2/advisories/2025/rhsa-2025_23422.json