Ubuntu Update for linux, linux-ec2 vulnerabilities USN-1054-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1054-1
Solution
Please Install the Updated Packages.
Insight
Gleb Napatov discovered that KVM did not correctly check certain privileged operations. A local attacker with access to a guest kernel could exploit this to crash the host system, leading to a denial of service. (CVE-2010-0435) 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. (CVE-2010-4165) Dave Jones discovered that the mprotect system call did not correctly handle merged VMAs. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2010-4169) Vegard Nossum discovered that memory garbage collection was not handled correctly for active sockets. A local attacker could exploit this to allocate all available kernel memory, leading to a denial of service. (CVE-2010-4249)
Affected
linux, linux-ec2 vulnerabilities on Ubuntu 10.04 LTS , Ubuntu 10.10