Security Advisory

CVE-2026-3888

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-17 14:02:08

Last updated 2026-03-18 08:59:07

Assigner canonical

State PUBLISHED

Description

Local privilege escalation in snapd on Linux allows local attackers to get root privilege by re-creating snaps private /tmp directory when systemd-tmpfiles is configured to automatically clean up this directory. This issue affects Ubuntu 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 24.04 LTS.

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