CVE-2014-4654 Use after free in n/a

What is CVE-2014-4654?

CVE-2014-4654 is a medium-severity use after free 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

The snd_ctl_elem_add function in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 does not check authorization for SNDRV_CTL_IOCTL_ELEM_REPLACE commands, which allows local users to remove kernel controls and cause a denial of service (use-after-free and system crash) by leveraging /dev/snd/controlCX access for an ioctl call.

Weakness: CWE-416

Which versions are affected by CVE-2014-4654?

It affects 3 products.

Products include Canonical Ubuntu Linux, Linux kernel, Suse Linux Enterprise Server.

How do I fix CVE-2014-4654?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2014-4654 being exploited?

There is no known exploitation of CVE-2014-4654 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2014-4654, GHSA-f929-4mp9-4fmc, UBUNTU-CVE-2014-4654.