CVE-2014-0998 Integer overflow in n/a

High 7.2 Published 2 Feb 2015 Updated 6 Aug 2024

Local attackers can cause a system crash or potentially gain privileges via an integer signedness error in the FreeBSD console driver.

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-2014-0998?

CVE-2014-0998 is a high-severity vulnerability in Freebsd Freebsd, published on 2 Feb 2015. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Integer signedness error in the vt console driver (formerly Newcons) in FreeBSD 9.3 before p10 and 10.1 before p6 allows local users to cause a denial of service (crash) and possibly gain privileges via a negative value in a VT_WAITACTIVE ioctl call, which triggers an array index error and out-of-bounds kernel memory access.

Weakness: CWE-189

Which versions are affected by CVE-2014-0998?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2014-0998?

No fix has been published for CVE-2014-0998 yet. Limit exposure of the affected software until one is available.

Is CVE-2014-0998 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2014-0998 exists.

Public exploit code: 1 Exploit-DB entry.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-q92p-8v5f-g5x5.