Red Hat has released several security updates for its enterprise Linux distributions. The updates address various vulnerabilities in packages such as libtiff, kernel, and lasso, with some being rated as critical due to their potential impact on system security. The updates are available for different versions of Red Hat Enterprise Linux, including 7 Extended Lifecycle Support, 8, 9.0 Update Services for SAP Solutions, and others.

RHSA-2025:21407: Important: libtiff security update
RHSA-2025:21398: Moderate: kernel security update
RHSA-2025:21403: Critical: lasso security update
RHSA-2025:21406: Critical: lasso security update
RHSA-2025:21404: Critical: lasso security update
RHSA-2025:21400: Critical: lasso security update
RHSA-2025:21405: Critical: lasso security update
RHSA-2025:21401: Critical: lasso security update
RHSA-2025:21402: Critical: lasso security update
RHSA-2025:21397: Moderate: kernel-rt security update
RHSA-2025:21399: Critical: lasso security update

RHSA-2025:21407: Important: libtiff security update

An update for libtiff 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-2025:21407: Important: libtiff security update

RHSA-2025:21398: Moderate: kernel security update

An update for kernel 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-2025:21398: Moderate: kernel security update

RHSA-2025:21403: Critical: lasso security update

An update for lasso 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 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-2025:21403: Critical: lasso security update

RHSA-2025:21406: Critical: lasso security update

An update for lasso 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 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-2025:21406: Critical: lasso security update

RHSA-2025:21404: Critical: lasso security update

An update for lasso 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-2025:21404: Critical: lasso security update

RHSA-2025:21400: Critical: lasso security update

An update for lasso 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 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-2025:21400: Critical: lasso security update

RHSA-2025:21405: Critical: lasso security update

An update for lasso 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 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-2025:21405: Critical: lasso security update

RHSA-2025:21401: Critical: lasso security update

An update for lasso 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 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-2025:21401: Critical: lasso security update

RHSA-2025:21402: Critical: lasso security update

An update for lasso 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 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-2025:21402: Critical: lasso security update

RHSA-2025:21397: Moderate: 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 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-2025:21397: Moderate: kernel-rt security update

RHSA-2025:21399: Critical: lasso security update

An update for lasso is now available for Red Hat Enterprise Linux 8.2 Advanced Update 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-2025:21399: Critical: lasso security update