Null pointer to an inode in a dentry can cause an oops in sysfs_readdir

The sysfsreaddir function in the Linux kernel 2.6, as used in Red Hat Enterprise Linux RHEL 4.5 and other distributions, allows users to cause a denial of service kernel OOPS by dereferencing a null pointer to an inode in a dentry...

security flaw

Direct Rendering Manager DRM driver in Linux kernel 2.6 does not properly check the DMA lock, which could allow remote attackers or local users to cause a denial of service X Server crash and possibly modify the video output...