CVE-2001-1047 Race condition in n/a

Low 1.2 Published 2 Feb 2002 Updated 8 Aug 2024

Local attackers can trigger a kernel panic in OpenBSD via a race condition in the VFS layer involving pipe and file descriptor operations.

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-2001-1047?

CVE-2001-1047 is a low-severity vulnerability in Openbsd Openbsd, published on 2 Feb 2002. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Race condition in OpenBSD VFS allows local users to cause a denial of service (kernel panic) by (1) creating a pipe in one thread and causing another thread to set one of the file descriptors to NULL via a close, or (2) calling dup2 on a file descriptor in one process, then setting the descriptor to NULL via a close in another process that is created via rfork.

Which versions are affected by CVE-2001-1047?

It affects 1 product.

Products include Openbsd Openbsd.

How do I fix CVE-2001-1047?

No fix has been published for CVE-2001-1047 yet. Limit exposure of the affected software until one is available.

Is CVE-2001-1047 being exploited?

There is no known exploitation of CVE-2001-1047 in the wild and no public exploit code.

All Openbsd Openbsd vulnerabilities

Sources

Also known as GHSA-6qmf-988v-6g8q.