Red Hat published security advisories covering vulnerabilities in the kernel, kernel-rt, and JBoss Web Server for Red Hat Enterprise Linux and related distributions. A critical update addresses kernel-rt on Red Hat Enterprise Linux 7 Extended Lifecycle Support, accompanied by an important advisory for the standard kernel on the same platform. Red Hat also released important patches for kernel packages in Red Hat Enterprise Linux 8.8 for SAP Solutions and Telecommunications, plus a security release for Red Hat JBoss Web Server 7.0 compatible with RHEL 8, 9, and 10.

RHSA-2026:41234: Important: kernel-rt security update
RHSA-2026:41235: Important: kernel security update
RHSA-2026:41236: Critical: kernel-rt security, bug fix, and enhancement update
RHSA-2026:41229: Important: kernel security update
RHSA-2026:39188: Important: Red Hat JBoss Web Server 7.0.0 security release

RHSA-2026:41234: Important: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support.

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.

RHSA-2026:41234: Important: kernel-rt security update

RHSA-2026:41235: Important: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support.

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.

RHSA-2026:41235: Important: kernel security update

RHSA-2026:41236: Critical: kernel-rt security, bug fix, and enhancement update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support.

Red Hat Product Security has rated this update as having a security impact of Critical. 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.

RHSA-2026:41236: Critical: kernel-rt security, bug fix, and enhancement update

RHSA-2026:41229: Important: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.

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.

RHSA-2026:41229: Important: kernel security update

RHSA-2026:39188: Important: Red Hat JBoss Web Server 7.0.0 security release

Red Hat JBoss Web Server 7.0 is now available for Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, and Red Hat Enterprise Linux 10.

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.

RHSA-2026:39188: Important: Red Hat JBoss Web Server 7.0.0 security release