CVE-2014-4656: canonical ubuntu_linux Integer Overflow or Wraparound

Vulnerability summary

CVE-2014-4656 is a medium (CVSS 4.6) Integer Overflow or Wraparound vulnerability in canonical ubuntu_linux. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 42.9% of scored vulnerabilities.

Timeline

1. 03-07-2014
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-190Integer Overflow or WraparoundThe product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.