Red Hat Product Security released four new errata addressing vulnerabilities across multiple Red Hat Enterprise Linux releases. The RHSA-2026:45192 advisory delivers combined security, bug fix, and enhancement patches for RHEL 9, while standalone security updates cover RHEL 10 and the RHEL 8.10 Extended Update Support track. A separate release targets the real-time kernel on standard RHEL 8 systems under RHSA-2026:45116.

RHSA-2026:45192: Important: kernel security, bug fix, and enhancement update
RHSA-2026:45114: Important: kernel security update
RHSA-2026:45115: Important: kernel security update
RHSA-2026:45116: Important: kernel-rt security update

RHSA-2026:45192: Important: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9.

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-2026:45192: Important: kernel security, bug fix, and enhancement update

RHSA-2026:45114: Important: kernel security update

An update for the kernel package is now available for 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-2026:45114: Important: kernel security update

RHSA-2026:45115: Important: kernel security update

An update for the kernel package is now available for Red Hat Enterprise Linux 8.10 Extended Update 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-2026:45115: Important: kernel security update

RHSA-2026:45116: Important: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.

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-2026:45116: Important: kernel-rt security update