What is RHSA-2025:9493?

RHSA-2025:9493 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: kernel-rt security update

Which CVE IDs does RHSA-2025:9493 cover?

RHSA-2025:9493 covers the following CVE IDs: CVE-2022-49328, CVE-2022-49696, CVE-2025-21764. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2025:9493?

RHSA-2025:9493 has a CVSS v3 base score of 7.1, published by Red Hat Product Security.

Which products are affected by RHSA-2025:9493?

RHSA-2025:9493 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-0:5.14.0-70.134.1.rt21.206.el9_0.src as a component of Red Hat Enterprise Linux NFV E4S (v.9.0); kernel-rt-0:5.14.0-70.134.1.rt21.206.el9_0.src as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0); kernel-rt-0:5.14.0-70.134.1.rt21.206.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-2025:9493MediumCVSS 7.1

Red Hat Security Advisory: kernel-rt security update

Vendor

Red Hat Product Security

Published

June 24, 2025

Last Modified

August 15, 2026

🔗 CVE IDs covered (3)

CVE-2022-49328 →CVE-2022-49696 →CVE-2025-21764 →

📋 Description

CVE-2022-49328 — kernel: mt76: fix use-after-free by removing a non-RCU wcid pointer CVE-2022-49696 — kernel: tipc: fix use-after-free Read in tipc_named_reinit CVE-2025-21764 — kernel: ndisc: use RCU protection in ndisc_alloc_skb()

🎯 Affected products32

Red Hat Enterprise Linux NFV E4S (v.9.0)
Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-0:5.14.0-70.134.1.rt21.206.el9_0.src as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-0:5.14.0-70.134.1.rt21.206.el9_0.src as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-core-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-core-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-core-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-core-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-debuginfo-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-debuginfo-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-devel-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-devel-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-kvm-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-modules-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-modules-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-modules-extra-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-modules-extra-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debuginfo-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debuginfo-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debuginfo-common-x86_64-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debuginfo-common-x86_64-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-devel-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-devel-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-kvm-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-modules-0:5.14.0-70.134.1.rt21.206.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-modules-0:5.14.0-70.134.1.rt21.206.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.

🔗 CVE IDs covered (3)

📋 Description

🎯 Affected products32

✅ Remediation

🔗 References (6)