CVE-2014-4656 Integer overflow in n/a
Local attackers can cause a denial of service in the Linux kernel via integer overflows in the ALSA control implementation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-4656?
CVE-2014-4656 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 3 Jul 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Multiple integer overflows in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 allow local users to cause a denial of service by leveraging /dev/snd/controlCX access, related to (1) index values in the snd_ctl_add function and (2) numid values in the snd_ctl_remove_numid_conflict function.
Weakness: CWE-190
Which versions are affected by CVE-2014-4656?
It affects 9 products.
Products include Canonical Ubuntu Linux, Linux kernel, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus and 3 more.
How do I fix CVE-2014-4656?
Upgrade to a fixed version.
Is CVE-2014-4656 being exploited?
There is no known exploitation of CVE-2014-4656 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2014-4656, GHSA-8hjr-53g2-5g69, UBUNTU-CVE-2014-4656.