Race condition in Linux kernel - CVE-2014-4652

 

Race condition in Linux kernel - CVE-2014-4652

Published: July 3, 2014 / Updated: August 14, 2020


Vulnerability identifier: #VU91497
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-4652
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a race condition within the snd_card_new() function in sound/core/init.c, within the snd_ctl_elem_unlock(), snd_ctl_elem_user_get(), snd_ctl_elem_user_put(), snd_ctl_elem_user_tlv() and snd_ctl_elem_add() functions in sound/core/control.c. A local user can gain access to sensitive information.


Affected software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-trusty (Ubuntu package)

How to mitigate CVE-2014-4652

Install update from vendor's website.

linux (Ubuntu package) - addressed in versions 2.6.32-65.131, 3.2.0-68.102, 3.13.0-35.62
linux-lts-trusty (Ubuntu package) - update to 3.13.0-35.62~precise1

External References

Related Security Bulletins