What is RHSA-2025:15786?

RHSA-2025:15786 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-2025:15786 cover?

RHSA-2025:15786 covers the following CVE IDs: CVE-2025-38392, CVE-2025-38449, CVE-2025-38350. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2025:15786?

RHSA-2025:15786 has a CVSS v3 base score of 7.3, published by Red Hat Product Security.

Which products are affected by RHSA-2025:15786?

RHSA-2025:15786 affects 32 products, including: Red Hat Enterprise Linux NFV (v. 8); Red Hat Enterprise Linux RT (v. 8); kernel-rt-0:4.18.0-553.75.1.rt7.416.el8_10.src as a component of Red Hat Enterprise Linux NFV (v. 8); kernel-rt-0:4.18.0-553.75.1.rt7.416.el8_10.src as a component of Red Hat Enterprise Linux RT (v. 8); kernel-rt-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8); and others — see the full list on the advisory page.

RHSA-2025:15786HighCVSS 7.3

Red Hat Security Advisory: kernel-rt security update

Vendor

Red Hat Product Security

Published

September 15, 2025

Last Modified

July 30, 2026

🔗 CVE IDs covered (3)

CVE-2025-38392 →CVE-2025-38449 →CVE-2025-38350 →

📋 Description

CVE-2025-38350 — kernel: net/sched: Always pass notifications when child class becomes empty CVE-2025-38392 — kernel: idpf: convert control queue mutex to a spinlock CVE-2025-38449 — kernel: drm/gem: Acquire references on GEM handles for framebuffers

🎯 Affected products32

Red Hat Enterprise Linux NFV (v. 8)
Red Hat Enterprise Linux RT (v. 8)
kernel-rt-0:4.18.0-553.75.1.rt7.416.el8_10.src as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-0:4.18.0-553.75.1.rt7.416.el8_10.src as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-core-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-core-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debug-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debug-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debug-core-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debug-core-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debug-debuginfo-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debug-debuginfo-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debug-devel-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debug-devel-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debug-kvm-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debug-modules-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debug-modules-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debug-modules-extra-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debug-modules-extra-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debuginfo-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debuginfo-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-devel-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-devel-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-kvm-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-modules-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-modules-0:4.18.0-553.75.1.rt7.416.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
+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: To mitigate this issue, prevent the sch_cbs module from being loaded. Please see https://access.redhat.com/solutions/41278 for how information on how to blacklist a kernel module to prevent it from loading automatically. Workaround: To mitigate this issue, prevent module idpf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically. Workaround: To mitigate this issue, prevent module drm from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.

🔗 CVE IDs covered (3)

📋 Description

🎯 Affected products32

✅ Remediation

🔗 References (6)