Your submission was sent successfully! Close

CVE-2014-4655

Published: 03 July 2014

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 properly maintain the user_ctl_count value, which allows local users to cause a denial of service (integer overflow and limit bypass) by leveraging /dev/snd/controlCX access for a large number of SNDRV_CTL_IOCTL_ELEM_REPLACE ioctl calls.

From the Ubuntu security team

A flaw discovered in how the snd_ctl_elem function of the Advanced Linux Sound Architecture (ALSA) handled a reference count. A local user could exploit this flaw to cause a denial of service (integer overflow and limit bypass).

Priority

Medium

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
Patches:
Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Fixed by 82262a46627bebb0febcc26664746c25cef08563
linux-2.6
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-armadaxp
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-ec2
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-flo
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-fsl-imx51
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-gke
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-goldfish
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-grouper
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-hwe
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-hwe-edge
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-linaro-omap
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-linaro-shared
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-lts-quantal
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-lts-saucy
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-lts-utopic
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-lts-vivid
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-lts-wily
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-lts-xenial
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-maguro
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-mako
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-manta
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-mvl-dove
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-qcm-msm
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-raspi2
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-snapdragon
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)
linux-ti-omap4
Launchpad, Ubuntu, Debian
Upstream
Released (3.16~rc2)