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.
| Product | Vendor | Version |
|---|---|---|
| n/a | n/a | < 4b0fe71fb3965d0db83cdfc2f4fe0b3227d70113 |