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CVE-2017-5985

Status Candidate

Overview

lxc-user-nic in Linux Containers (LXC) allows local users with a lxc-usernet allocation to create network interfaces on the host and choose the name of those interfaces by leveraging lack of netns ownership check.

Related Files

Ubuntu Security Notice USN-3224-1
Posted Mar 10, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3224-1 - Jann Horn discovered that LXC incorrectly verified permissions when creating virtual network interfaces. A local attacker could possibly use this issue to create virtual network interfaces in network namespaces that they do not own.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2017-5985
SHA-256 | ad4cb6b6ac15049736b7e80ea58dab1983351119674b6d635daded290ce085a2
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