Ubuntu Update for linux USN-1488-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1488-1
Solution
Please Install the Updated Packages.
Insight
Stephan Mueller reported a flaw in the Linux kernel's dl2k network driver's handling of ioctls. An unprivileged local user could leverage this flaw to cause a denial of service. (CVE-2012-2313) Timo Warns reported multiple flaws in the Linux kernel's hfsplus filesystem. An unprivileged local user could exploit these flaws to gain root system priviliges. (CVE-2012-2319) A flaw was discovered in the Linux kernel's NFSv4 (Network file system) handling of ACLs (access control lists). A remote NFS server (attacker) could cause a denial of service (OOPS). (CVE-2012-2375)
Affected
linux on Ubuntu 11.04
References