CVE-2009-1041 Memory corruption in n/a

High 7.2 Published 24 Mar 2009 Updated 7 Aug 2024

Local attackers can overwrite arbitrary kernel memory via an out-of-bounds timer value in FreeBSD, leading to privilege escalation or code execution.

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-2009-1041?

CVE-2009-1041 is a high-severity memory corruption vulnerability in Freebsd Freebsd, published on 24 Mar 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The ktimer feature (sys/kern/kern_time.c) in FreeBSD 7.0, 7.1, and 7.2 allows local users to overwrite arbitrary kernel memory via an out-of-bounds timer value.

Weakness: CWE-119

Which versions are affected by CVE-2009-1041?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2009-1041?

No fix has been published for CVE-2009-1041 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2009-1041 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-1041 exists.

Public exploit code: 1 Exploit-DB entry.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-vpxw-jphr-pjhp.