kernel: crypto api unprivileged arbitrary module load via request_module()

A flaw was found in the way the Linux kernel's Crypto subsystem handled automatic loading of kernel modules. A local user could use this flaw to load any installed kernel module, and thus increase the attack surface of the running kernel...

kernel security and bug fix update

2.6.32-220.4.1.el6 - fs Revert 'proc: enable writing to /proc/pid/mem' Johannes Weiner 782649 782650 CVE-2012-0056 2.6.32-220.3.1.el6 - kernel Remove 'WARNING: at kernel/sched.c:5915' Larry Woodman 768288 766051 - x86 kernel: Fix memory corruption in module load Prarit Bhargava 769595 767140 -...

systemtap: signed module loading race condition

The insertmodule function in runtime/staprun/staprunfuncs.c in the systemtap runtime tool staprun in SystemTap before 1.6 does not properly validate a module when loading it, which allows local users to gain privileges via a race condition between the signature validation and the module...