CVE-2023-5158

Se encontró una falla en vringh_kiov_advance en drivers/vhost/vringh.c en el lado del host de un virtio ring en el kernel de Linux. Este problema puede provocar una denegación de servicio del huésped al anfitrión a través de un descriptor de longitud cero.

It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of service. Lin Ma discovered that the Netlink Transformation subsystem in the Linux kernel did not properly initialize a policy data structure, leading to an out-of-bounds vulnerability. A local privileged attacker could use this to cause a denial of service or possibly expose sensitive information.