Linux kernel before 2.6.18, when running on x86_64 systems, does not properly save or restore EFLAGS during a context switch, which allows local users to cause a denial of service (crash) by causing SYSENTER to set an NT flag, which can trigger a crash on the IRET of the next task.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Linux_kernel | Linux | * | 2.6.17 (including) |