What is RHSA-2026:42550?

RHSA-2026:42550 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

Which CVE IDs does RHSA-2026:42550 cover?

RHSA-2026:42550 covers the following CVE IDs: CVE-2026-53071, CVE-2026-46117. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:42550?

RHSA-2026:42550 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

Which products are affected by RHSA-2026:42550?

RHSA-2026:42550 affects 32 products, including: Red Hat Enterprise Linux NFV (v. 8); Red Hat Enterprise Linux RT (v. 8); kernel-rt-0:4.18.0-553.146.1.rt7.487.el8_10.src as a component of Red Hat Enterprise Linux NFV (v. 8); kernel-rt-0:4.18.0-553.146.1.rt7.487.el8_10.src as a component of Red Hat Enterprise Linux RT (v. 8); kernel-rt-0:4.18.0-553.146.1.rt7.487.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-2026:42550HighCVSS 7.5

Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

Vendor

Red Hat Product Security

Published

July 21, 2026

Last Modified

September 16, 2026

🔗 CVE IDs covered (2)

CVE-2026-53071 →CVE-2026-46117 →

📋 Description

CVE-2026-46117 — kernel: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() CVE-2026-53071 — kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp

🎯 Affected products32

Red Hat Enterprise Linux NFV (v. 8)
Red Hat Enterprise Linux RT (v. 8)
kernel-rt-0:4.18.0-553.146.1.rt7.487.el8_10.src as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-0:4.18.0-553.146.1.rt7.487.el8_10.src as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-core-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-core-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debug-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debug-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debug-core-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debug-core-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debug-debuginfo-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debug-debuginfo-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debug-devel-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debug-devel-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debug-kvm-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debug-modules-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debug-modules-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debug-modules-extra-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debug-modules-extra-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debuginfo-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debuginfo-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-devel-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-devel-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux RT (v. 8)
kernel-rt-kvm-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-modules-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64 as a component of Red Hat Enterprise Linux NFV (v. 8)
kernel-rt-modules-0:4.18.0-553.146.1.rt7.487.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.

🔗 CVE IDs covered (2)

📋 Description

🎯 Affected products32

✅ Remediation

🔗 References (5)