security flaw

Linux kernel 2.4.x and 2.6.x for x86 allows local users to cause a denial of service system crash, possibly via an infinite loop that triggers a signal handler with a certain sequence of fsave and frstor instructions, as originally demonstrated using a "crash.c" program...

Linux kernel fails to properly handle floating point signals generated by "fsave" and "frstor"

Overview The Linux kernel contains a denial-of-service vulnerability that allows local users to disable affected hosts. Description Several versions of the Linux kernel contain a defect in their use of the Intel processor instruction set. The "fsave" and "frstor" instructions are used to store an...