kernel: nfsd: fix vm overcommit crash

mm/shmem.c in the Linux kernel before 2.6.28-rc8, when strict overcommit is enabled and CONFIGSECURITY is disabled, does not properly handle the export of shmemfs objects by knfsd, which allows attackers to cause a denial of service NULL pointer dereference and knfsd crash or possibly have...

Important: Red Hat Security Advisory: kernel security and bug fix update

Updated kernel packages that fix several security issues and various bugs are now available for Red Hat Enterprise Linux 4. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages contain the Linux kernel, the core of any Linux...