OpenBao's System Backend allows Unauthorized Management of the containing Namespace

Summary A user that is granted namespace management /sys/namespaces capabilities within a non-root namespace "the victim namespace" can abuse special handling of the literal path "root" in namespace path canonicalization to manage the victim namespace itself. Details Several endpoints under...

Improper Authorization

Overview Affected versions of this package are vulnerable to Improper Authorization via the canonicalization process for namespace paths. An attacker can gain unauthorized management access to the containing namespace by supplying the special path segment "root" in requests to endpoints under...

EUVD-2026-23100

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

Security update for pam

This update for pam fixes the following issues: CVE-2025-6020: pamnamespace: convert functions that may operate on a user-controlled path to operate on file descriptors instead of absolute path. And keep the bind-mount protection from protectmount as a defense in depthmeasure. bsc1244509 Patch...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that originates from netfilter's repeated deregistration of hooks in the netns path, which could lead to a system crash...

SUSE CVE-2018-5873

An issue was discovered in the nsgetpath function in fs/nsfs.c in the Linux kernel before 4.11. Due to a race condition when accessing files, a Use After Free condition can occur. This also affects all Android releases from CAF using the Linux kernel Android for MSM, Firefox OS for MSM, QRD Andro...

OESA-2023-1076 lxc security update

Containers are insulated areas inside a system, which have their own namespace for filesystem, network, PID, IPC, CPU and memory allocation and which can be created using the Control Group and Namespace features included in the Linux kernel. Security Fixes: lxc-user-nic in lxc through 5.0.1 is...

CVE-2022-47952

lxc-user-nic in lxc through 5.0.1 is installed setuid root, and may allow local users to infer whether any file exists, even within a protected directory tree, because "Failed to open" often indicates that a file does not exist, whereas "does not refer to a network namespace path" often indicates...

PT-2020-5341

Name of the Vulnerable Software and Affected Versions Windows affected versions not specified Description The issue is related to the CDCreateKernlConnection function in the condrv.sys kernel driver of the Windows operating system, which is associated with weaknesses in the Windows namespace path...