What is RHSA-2025:23424?

RHSA-2025:23424 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: kernel-rt security update

Which CVE IDs does RHSA-2025:23424 cover?

RHSA-2025:23424 covers the following CVE IDs: CVE-2025-39955, CVE-2025-40186, CVE-2023-53322, CVE-2023-53513, CVE-2025-39864. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2025:23424?

RHSA-2025:23424 has a CVSS v3 base score of 7.6, published by Red Hat Product Security.

Which products are affected by RHSA-2025:23424?

RHSA-2025:23424 affects 32 products, including: Red Hat Enterprise Linux NFV E4S (v.9.0); Red Hat Enterprise Linux Real Time E4S (v.9.0); kernel-rt-0:5.14.0-70.158.1.rt21.230.el9_0.src as a component of Red Hat Enterprise Linux NFV E4S (v.9.0); kernel-rt-0:5.14.0-70.158.1.rt21.230.el9_0.src as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0); kernel-rt-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0); and others — see the full list on the advisory page.

RHSA-2025:23424HighCVSS 7.6

Red Hat Security Advisory: kernel-rt security update

Vendor

Red Hat Product Security

Published

December 17, 2025

Last Modified

August 13, 2026

🔗 CVE IDs covered (5)

CVE-2025-39955 →CVE-2025-40186 →CVE-2023-53322 →CVE-2023-53513 →CVE-2025-39864 →

📋 Description

CVE-2023-53322 — kernel: scsi: qla2xxx: Wait for io return on terminate rport CVE-2023-53513 — kernel: nbd: fix incomplete validation of ioctl arg CVE-2025-39864 — kernel: wifi: cfg80211: fix use-after-free in cmp_bss() CVE-2025-39955 — kernel: tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect() CVE-2025-40186 — kernel: Linux kernel: Privilege escalation or Denial of Service via TCP Fast Open vulnerability

🎯 Affected products32

Red Hat Enterprise Linux NFV E4S (v.9.0)
Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-0:5.14.0-70.158.1.rt21.230.el9_0.src as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-0:5.14.0-70.158.1.rt21.230.el9_0.src as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-core-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-core-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-core-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-core-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-debuginfo-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-debuginfo-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-devel-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-devel-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-kvm-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-modules-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-modules-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-modules-extra-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-modules-extra-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debuginfo-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debuginfo-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debuginfo-common-x86_64-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debuginfo-common-x86_64-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-devel-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-devel-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-kvm-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-modules-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-modules-0:5.14.0-70.158.1.rt21.230.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
+2 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 CVE IDs covered (5)

📋 Description

🎯 Affected products32

✅ Remediation

🔗 References (8)