CVE-2024-25941 jail(2) information leak

Low 3.3 Published 15 Feb 2024 Updated 13 Feb 2025

A FreeBSD kernel flaw allows attackers to leak TTY information from outside their jail, exposing process details.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-25941?

CVE-2024-25941 is a low-severity vulnerability in Freebsd Freebsd, published on 15 Feb 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The jail(2) system call has not limited a visiblity of allocated TTYs (the kern.ttys sysctl). This gives rise to an information leak about processes outside the current jail.

Attacker can get information about TTYs allocated on the host or in other jails. Effectively, the information printed by "pstat -t" may be leaked.

Which versions are affected by CVE-2024-25941?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2024-25941?

No fix has been published for CVE-2024-25941 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-25941 being exploited?

There is no known exploitation of CVE-2024-25941 in the wild and no public exploit code.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-4vg6-rmxw-vq23.