SUSE CVE-2026-43391

In the Linux kernel, the following vulnerability has been resolved: nsfs: tighten permission checks for handle opening Even privileged services should not necessarily be able to see other privileged service's namespaces so they can't leak information to each other. Use mayseeallnamespaces helper...

EUVD-2026-28709

In the Linux kernel, the following vulnerability has been resolved: nsfs: tighten permission checks for ns iteration ioctls Even privileged services should not necessarily be able to see other privileged service's namespaces so they can't leak information to each other. Use mayseeallnamespaces...

CVE-2026-43390

In the Linux kernel, the following vulnerability has been resolved: nstree: tighten permission checks for listing Even privileged services should not necessarily be able to see other privileged service's namespaces so they can't leak information to each other. Use mayseeallnamespaces helper that...

UBUNTU-CVE-2026-43391

In the Linux kernel, the following vulnerability has been resolved: nsfs: tighten permission checks for handle opening Even privileged services should not necessarily be able to see other privileged service's namespaces so they can't leak information to each other. Use mayseeallnamespaces helper...

CVE-2026-43403

CVE-2026-43403 concerns the Linux kernel nsfs component. The issue arises from insufficient permission checks in ns iteration ioctls, potentially allowing a privileged service to view information from other privileged services and perform information disclosure. Multiple sources (Red Hat, Debian,...

CVE-2026-43390

The CVE-2026-43390 issue affects the Linux kernel nstree component, where listing permissions were tightened so that even privileged services may not be allowed to view other privileged namespaces. The root cause is insufficient information isolation between namespaces; the kernel now uses may_se...

Linux Distros Unpatched Vulnerability : CVE-2026-43403

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nsfs: tighten permission checks for ns iteration ioctls Even privileged services should not necessarily be able to see other privileged service's namespaces so...

PT-2023-7534 · Unknown · Skupper Operator

Name of the Vulnerable Software and Affected Versions: Skupper operator affected versions not specified Description: A flaw in the Skupper operator may allow an authenticated attacker in an adjacent cluster to view deployments in all namespaces, permitting unauthorized access to information outsi...

CVE-2023-34242

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to version 1.13.4, when Gateway API is enabled in Cilium, the absence of a check on the namespace in which a ReferenceGrant is created could result in Cilium unintentionally gaining visibility of...