Scientific Linux Security Update : kernel on SL6.x i386/x86_64 (20120515)

This update fixes the following security issues : - A flaw was found in the way the Linux kernel's journalunmapbuffer function handled buffer head states. On systems that have an ext4 file system with a journal mounted, a local, unprivileged user could use this flaw to cause a denial of service...

CVE-2012-1601: Undefined Security Weakness

The KVM implementation in the Linux kernel before 3.3.6 allows host OS users to cause a denial of service NULL pointer dereference and host OS crash by making a KVMCREATEIRQCHIP ioctl call after a virtual CPU already exists...