CVE-2008-3890 Privilege escalation in n/a

High 7.2 Published 5 Sep 2008 Updated 7 Aug 2024

Local attackers can gain privileges by triggering a General Protection Fault during kernel return on FreeBSD amd64 systems.

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-2008-3890?

CVE-2008-3890 is a high-severity vulnerability in Freebsd Freebsd, published on 5 Sep 2008. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The kernel in FreeBSD 6.3 through 7.0 on amd64 platforms can make an extra swapgs call after a General Protection Fault (GPF), which allows local users to gain privileges by triggering a GPF during the kernel's return from (1) an interrupt, (2) a trap, or (3) a system call.

Weakness: CWE-264

Which versions are affected by CVE-2008-3890?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2008-3890?

No fix has been published for CVE-2008-3890 yet. Limit exposure of the affected software until one is available.

Is CVE-2008-3890 being exploited?

There is no known exploitation of CVE-2008-3890 in the wild and no public exploit code.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-3cg3-w3v4-rw4g.