CVE-2022-47952

Descrizione suggerita lxc-user-nic in lxc fino alla versione 5.0.1 è installato con setuid root e può consentire agli utenti locali di dedurre se un file esiste, anche all'interno di un albero di directory protetto, perché "Failed to open" spesso indica che un file non esiste, mentre "does not...

Updated lxc packages fix security vulnerability

CVE-2026-39402, lxc lxc-user-nic insufficient ownership validation allows cross-tenant OVS port deletion...

MGASA-2026-0172 Updated lxc packages fix security vulnerability

CVE-2026-39402, lxc lxc-user-nic insufficient ownership validation allows cross-tenant OVS port deletion...

CVE-2026-39402

A flaw was found in LXC Linux Containers, specifically within the lxc-user-nic helper. This logic flaw allows an unprivileged attacker, with a valid lxc-usernet policy entry, to delete OpenVSwitch OVS-attached network interfaces owned by other users. In multi-tenant environments using lxc-user-ni...

SUSE CVE-2026-39402

lxc is a Linux container runtime. In the setuid helper lxc-user-nic, the delete path contains a logic flaw in the findline function that allows an unprivileged user to delete OVS-attached network interfaces belonging to other users. When lxc-user-nic delete scans its NIC database to authorize a...

CVE-2026-39402

lxc is a Linux container runtime. In the setuid helper lxc-user-nic, the delete path contains a logic flaw in the findline function that allows an unprivileged user to delete OVS-attached network interfaces belonging to other users. When lxc-user-nic delete scans its NIC database to authorize a...

CVE-2026-39402 lxc lxc-user-nic insufficient ownership validation allows cross-tenant OVS port deletion

lxc is a Linux container runtime. In the setuid helper lxc-user-nic, the delete path contains a logic flaw in the findline function that allows an unprivileged user to delete OVS-attached network interfaces belonging to other users. When lxc-user-nic delete scans its NIC database to authorize a...

CVE-2026-39402 lxc lxc-user-nic insufficient ownership validation allows cross-tenant OVS port deletion

lxc is a Linux container runtime. In the setuid helper lxc-user-nic, the delete path contains a logic flaw in the findline function that allows an unprivileged user to delete OVS-attached network interfaces belonging to other users. When lxc-user-nic delete scans its NIC database to authorize a...

CVE-2026-39402

Summary: CVE-2026-39402 affects the LXC user network helper (lxc-user-nic) in multi-tenant setups using Open vSwitch bridges. The delete path in the setuid helper contains a logic flaw in find_line() that can authorize deletion based on a name match even when ownership/type/link fields belong to ...

EUVD-2026-27497

lxc is a Linux container runtime. In the setuid helper lxc-user-nic, the delete path contains a logic flaw in the findline function that allows an unprivileged user to delete OVS-attached network interfaces belonging to other users. When lxc-user-nic delete scans its NIC database to authorize a...

CVE-2026-39402

lxc is a Linux container runtime. In the setuid helper lxc-user-nic, the delete path contains a logic flaw in the findline function that allows an unprivileged user to delete OVS-attached network interfaces belonging to other users. When lxc-user-nic delete scans its NIC database to authorize a...

CVE-2026-39402 lxc lxc-user-nic insufficient ownership validation allows cross-tenant OVS port deletion

lxc is a Linux container runtime. In the setuid helper lxc-user-nic, the delete path contains a logic flaw in the findline function that allows an unprivileged user to delete OVS-attached network interfaces belonging to other users. When lxc-user-nic delete scans its NIC database to authorize a...

LXC 安全漏洞

LXC is an open-source low-level Linux container runtime that has been extensively tested. LXC has a security vulnerability, which stems from a logical flaw in the deletion path of the findline function within the setuid helper program lxc-user-nic. This flaw allows non-privileged users to delete...

PT-2026-36995

Name of the Vulnerable Software and Affected Versions lxc versions prior to 7.0.0 Description A logic flaw in the find line function of the lxc-user-nic setuid helper allows an unprivileged user to delete OVS-attached network interfaces belonging to other users. When scanning the NIC database to...

Linux Distros Unpatched Vulnerability : CVE-2022-47952

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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,...

Huawei EulerOS: Security Advisory for lxc (EulerOS-SA-2023-1763)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Huawei EulerOS: Security Advisory for lxc (EulerOS-SA-2023-1532)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

EulerOS 2.0 SP10 : lxc (EulerOS-SA-2023-1557)

According to the versions of the lxc packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - 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...

EulerOS 2.0 SP9 : lxc (EulerOS-SA-2023-1451)

According to the versions of the lxc packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - 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...

SUSE 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...