Several security updates are now available for Red Hat Enterprise Linux systems, including updates for the kernel and opentelemetry-collector. Red Hat Product Security has rated these updates as having an Important or Moderate security impact. The updates address vulnerabilities in various versions of the kernel and other software packages, such as PostgreSQL, to improve system security.

RHSA-2026:0535: Important: kernel security update
RHSA-2026:0536: Important: kernel security update
RHSA-2026:0532: Important: kernel security update
RHSA-2026:0533: Important: kernel security update
RHSA-2026:0534: Important: kernel-rt security update
RHSA-2026:0537: Important: kernel-rt security update
RHSA-2026:0524: Moderate: postgresql:15 security update
RHSA-2026:0523: Moderate: postgresql:13 security update
RHSA-2026:0525: Moderate: postgresql16 security update
RHSA-2026:0519: Moderate: postgresql:16 security update
RHSA-2026:0513: Important: opentelemetry-collector security update
RHSA-2026:0512: Important: opentelemetry-collector security update
RHSA-2026:0514: Important: opentelemetry-collector security update
RHSA-2026:0493: Moderate: postgresql:16 security update
RHSA-2026:0492: Moderate: postgresql:15 security update
RHSA-2026:0491: Moderate: postgresql security update
RHSA-2026:0489: Important: kernel security update

RHSA-2026:0535: Important: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

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-2026:0535: Important: kernel security update

RHSA-2026:0536: Important: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 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-2026:0536: Important: kernel security update

RHSA-2026:0532: 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-2026:0532: Important: kernel security update

RHSA-2026:0533: Important: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On.

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-2026:0533: Important: kernel security update

RHSA-2026:0534: Important: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

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-2026:0534: Important: kernel-rt security update

RHSA-2026:0537: Important: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions.

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-2026:0537: Important: kernel-rt security update

RHSA-2026:0524: Moderate: postgresql:15 security update

An update for the postgresql:15 module is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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-2026:0524: Moderate: postgresql:15 security update

RHSA-2026:0523: Moderate: postgresql:13 security update

An update for the postgresql:13 module is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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-2026:0523: Moderate: postgresql:13 security update

RHSA-2026:0525: Moderate: postgresql16 security update

An update for postgresql16 is now available for Red Hat Enterprise Linux 10.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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-2026:0525: Moderate: postgresql16 security update

RHSA-2026:0519: Moderate: postgresql:16 security update

An update for the postgresql:16 module is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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-2026:0519: Moderate: postgresql:16 security update

RHSA-2026:0513: Important: opentelemetry-collector security update

An update for opentelemetry-collector is now available for Red Hat Enterprise Linux 9.6 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-2026:0513: Important: opentelemetry-collector security update

RHSA-2026:0512: Important: opentelemetry-collector security update

An update for opentelemetry-collector is now available for Red Hat Enterprise Linux 9.4 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-2026:0512: Important: opentelemetry-collector security update

RHSA-2026:0514: Important: opentelemetry-collector security update

An update for opentelemetry-collector is now available for Red Hat Enterprise Linux 10.0 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-2026:0514: Important: opentelemetry-collector security update

RHSA-2026:0493: Moderate: postgresql:16 security update

An update for the postgresql:16 module is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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-2026:0493: Moderate: postgresql:16 security update

RHSA-2026:0492: Moderate: postgresql:15 security update

An update for the postgresql:15 module is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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-2026:0492: Moderate: postgresql:15 security update

RHSA-2026:0491: Moderate: postgresql security update

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

Red Hat Product Security has rated this update as having a security impact of Moderate. 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-2026:0491: Moderate: postgresql security update

RHSA-2026:0489: Important: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 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-2026:0489: Important: kernel security update