CVE-2013-1060

Cierto procedimiento build de Ubuntu para perf, tal y como es distribuido en los paquetes del kernel Linux en Ubuntu 10.04 LTS, 12.04 LTS, 12.10, 13.04, y 13.10, establece la variable de entorno HOME al directorio ~buildd y consecuentemente lee el fichero de configuración del sistema del directorio ~buildd, lo cual permite a usuarios locales obtener privilegios aprovechando el control sobre la cuenta buildd.

Chanam Park reported a Null pointer flaw in the Linux kernel's Ceph client. A remote attacker could exploit this flaw to cause a denial of service (system crash). Vasily Kulikov discovered a flaw in the Linux Kernel's perf tool that allows for privilege escalation. A local user could exploit this flaw to run commands as root when using the perf tool. Jonathan Salwan discovered an information leak in the Linux kernel's cdrom driver. A local user can exploit this leak to obtain sensitive information from kernel memory if the CD-ROM drive is malfunctioning. Various other issues were also addressed.