arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform does not properly determine when nested NMI processing is occurring, which allows local users to cause a denial of service (skipped NMI) by modifying the rsp register, issuing a syscall instruction, and triggering an NMI.
| Product | Vendor | Version |
|---|---|---|
| n/a | n/a | < a13b2b9b0b0b04612c7d81e3b3dfb485c5f7abc3 |