CVE-2013-6834 Information disclosure in n/a

Medium 4.9 Published 21 Nov 2013 Updated 6 Aug 2024

Local attackers can read sensitive kernel memory via a crafted ioctl call in the qlxgbe driver due to missing size validation.

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-2013-6834?

CVE-2013-6834 is a medium-severity vulnerability in Freebsd Freebsd, published on 21 Nov 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The ql_eioctl function in sys/dev/qlxgbe/ql_ioctl.c in the kernel in FreeBSD 10 and earlier does not validate a certain size parameter, which allows local users to obtain sensitive information from kernel memory via a crafted ioctl call.

Weakness: CWE-20

Which versions are affected by CVE-2013-6834?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2013-6834?

No fix has been published for CVE-2013-6834 yet. Limit exposure of the affected software until one is available.

Is CVE-2013-6834 being exploited?

There is no known exploitation of CVE-2013-6834 in the wild and no public exploit code.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-wqcr-64f9-qf7r.