CVE-2016-1582 Path traversal in n/a
Local users can access arbitrary world-readable files in privileged LXD containers due to improper permission settings during mode switching.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-1582?
CVE-2016-1582 is a medium-severity path traversal vulnerability in Canonical Ubuntu Linux, published on 9 Jun 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
LXD before 2.0.2 does not properly set permissions when switching an unprivileged container into privileged mode, which allows local users to access arbitrary world readable paths in the container directory via unspecified vectors.
Weakness: CWE-200
Which versions are affected by CVE-2016-1582?
It affects 2 products.
Products include Canonical Lxd, Canonical Ubuntu Linux.
How do I fix CVE-2016-1582?
Upgrade to a fixed version.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2016-1582 being exploited?
There is no known exploitation of CVE-2016-1582 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
- CVE-2026-66897 Instance template path traversal allows arbitrary host file write as root
- CVE-2026-62420 Cross-project cluster migration bypasses project restrictions via cluster notification flag
- CVE-2026-63293 Arbitrary File Read/Write: metadata.yaml symlink in image allows host filesystem access as root
- CVE-2026-63294 Root RCE via image backup.yaml symlink
- CVE-2026-63296 Project restriction bypass via instance migration config override
Sources
Also known as UBUNTU-CVE-2016-1582.