CVE-2011-2534

Desbordamiento de búfer en la función clusterip_proc_write en net/ipv4/netfilter/ipt_CLUSTERIP.c en el kernel de Linux en la v2.6.39 y anteriores que podría permitir a usuarios locales provocar una denegación de servicio (caída) o que tienen un impacto no especificado a través de una operación de escritura a mano, en relación a los datos de cadena que carece de un terminador '\ 0'.

Dan Rosenberg discovered that IPC structures were not correctly initialized on 64bit systems. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. Steve Chen discovered that setsockopt did not correctly check MSS values. A local attacker could make a specially crafted socket call to crash the system, leading to a denial of service. Vladymyr Denysov discovered that Xen virtual CD-ROM devices were not handled correctly. A local attacker in a guest could make crafted blkback requests that would crash the host, leading to a denial of service. Various other issues were also addressed.