The load_mixer_volumes function in sound/oss/soundcard.c in the OSS sound subsystem in the Linux kernel before 2.6.37 incorrectly expects that a certain name field ends with a '\0' character, which allows local users to conduct buffer overflow attacks and gain privileges, or possibly obtain sensitive information from kernel memory, via a SOUND_MIXER_SETLEVELS ioctl call.
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
http://openwall.com/lists/oss-security/2010/12/31/1
http://openwall.com/lists/oss-security/2010/12/31/4
https://bugzilla.redhat.com/show_bug.cgi?id=667615
http://secunia.com/advisories/42765
http://secunia.com/advisories/43291
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37