CVE-2010-4527

Published: 13 January 2011

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.

From the Ubuntu security team

Dan Rosenberg discovered that the OSS subsystem did not handle name termination correctly. A local attacker could exploit this crash the system or gain root privileges.

Status

Notes

in sound system. Dapper desktop is EOL so ignoring

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4527
• http://xorl.wordpress.com/2011/01/09/cve-2010-4527-linux-kernel-oss-sound-card-driver-buffer-overflow/
• http://openwall.com/lists/oss-security/2010/12/31/1
• https://usn.ubuntu.com/usn/usn-1080-1
• https://usn.ubuntu.com/usn/usn-1081-1
• https://usn.ubuntu.com/usn/usn-1080-2
• https://usn.ubuntu.com/usn/usn-1093-1
• https://usn.ubuntu.com/usn/usn-1119-1
• https://usn.ubuntu.com/usn/usn-1111-1
• https://usn.ubuntu.com/usn/usn-1133-1
• https://usn.ubuntu.com/usn/usn-1164-1
• https://usn.ubuntu.com/usn/usn-1167-1
• https://usn.ubuntu.com/usn/usn-1187-1
• NVD
• Launchpad
• Debian

Bugs

• https://bugzilla.redhat.com/show_bug.cgi?id=667615