USN-8548-1: Linux kernel vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8548-1 linux-aws, linux-fips, linux-lts-xenial vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

Important: Red Hat Security Advisory: Release of containers for RHOSO 18.0.21

Red Hat OpenStack Services on OpenShift RHOSO 18.0.21 containers are now available. 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...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.19.38 security and extras update

Red Hat OpenShift Container Platform release 4.19.38 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.19. Red Hat Product Security has rated this update as having a security impact of...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.19.38 bug fix and security update

Red Hat OpenShift Container Platform release 4.19.38 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.19. Red Hat Product Security has rated this update as having a...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.18.48 bug fix and security update

Red Hat OpenShift Container Platform release 4.18.48 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.18. Red Hat Product Security has rated this update as having a...

The vulnerability of the Moby container isolation system creation software, related to synchronization errors when using common resources, allows a intruder to trigger a service failure.

The vulnerability of the Moby container isolation system creation software is related to synchronization errors when using a shared resource “Race Conditions”. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2026-50428

Out-of-bounds read in Windows Container Isolation FS Filter Driver unionfs.sys allows an authorized attacker to disclose information locally...

CVE-2026-50428 Windows Container Isolation FS Filter Driver (unionfs.sys) Information Disclosure Vulnerability

...

CVE-2026-50428

The CVE-2026-50428 entry concerns an Out-of-bounds read in Windows Container Isolation FS Filter Driver (unionfs.sys) that enables a locally authorized attacker to disclose information (information disclosure). The issue affects the Windows Container Isolation FS Filter Driver path and is confirm...

CVE-2026-50428 Windows Container Isolation FS Filter Driver (unionfs.sys) Information Disclosure Vulnerability

...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.20.29 bug fix and security update

Red Hat OpenShift Container Platform release 4.20.29 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.20. Red Hat Product Security has rated this update as having a...

Windows Container Isolation FS Filter Driver (unionfs.sys) Information Disclosure Vulnerability

Out-of-bounds read in Windows Container Isolation FS Filter Driver unionfs.sys allows an authorized attacker to disclose information locally...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.20.29 security and extras update

Red Hat OpenShift Container Platform release 4.20.29 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.20. Red Hat Product Security has rated this update as having a security impact of...

RLSA-2026:38495 Important: podman security update

The podman tool manages pods, container images, and containers. It is part of the libpod library, which is for applications that use container pods. Container pods is a concept in Kubernetes. Security Fixes: os: golang: Go os.Root: Symlink following vulnerability allows directory traversal...

RLSA-2026:38494 Important: buildah security update

The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a working container, either from scratch or using an image as a starting point; Create an image, either from a working container or using the instructions in a...

RLSA-2026:38493 Important: buildah security update

The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a working container, either from scratch or using an image as a starting point; Create an image, either from a working container or using the instructions in a...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.22.5 bug fix and security update

Red Hat OpenShift Container Platform release 4.22.5 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.22. Red Hat Product Security has rated this update as having a...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.24 bug fix and security update

Red Hat OpenShift Container Platform release 4.21.24 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.21. Red Hat Product Security has rated this update as having a...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.24 security and extras update

Red Hat OpenShift Container Platform release 4.21.24 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.21. Red Hat Product Security has rated this update as having a security impact of...