CVE-2010-0298

El emulador x86 en KVM3, no usa Current Privilege Level (CPL) e I/O Privilege Level (IOPL) para para determinar el acceso a memoria disponible para el código CPL3, lo que permite a invitados del SO provocar una denegación de servicio (caída del SO invitado) o elevar sus privilegios aprovechando el acceso al (1) puerto IO o (2) a la región MMIO. Cuestión relacionada con CVE-2010-0306.

It was discovered that the Linux kernel did not correctly handle memory protection of the Virtual Dynamic Shared Object page when running a 32-bit application on a 64-bit kernel. It was discovered that the r8169 network driver did not correctly check the size of Ethernet frames. Wei Yongjun discovered that SCTP did not correctly validate certain chunks. It was discovered that KVM did not correctly limit certain privileged IO accesses on x86. Evgeniy Polyakov discovered that IPv6 did not correctly handle certain TUN packets. Tons of other vulnerabilities have also been discovered and addressed.