The restore_fpu_checking function in arch/x86/include/asm/fpu-internal.h in the Linux kernel before 3.12.8 on the AMD K7 and K8 platforms does not clear pending exceptions before proceeding to an EMMS instruction, which allows local users to cause a denial of service (task kill) or possibly gain privileges via a crafted application.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | * | 3.12.7 (including) |
| Linux_kernel | Linux | 3.12 (including) | 3.12 (including) |
| Linux_kernel | Linux | 3.12.1 (including) | 3.12.1 (including) |
| Linux_kernel | Linux | 3.12.2 (including) | 3.12.2 (including) |
| Linux_kernel | Linux | 3.12.3 (including) | 3.12.3 (including) |
| Linux_kernel | Linux | 3.12.4 (including) | 3.12.4 (including) |
| Linux_kernel | Linux | 3.12.5 (including) | 3.12.5 (including) |
| Linux_kernel | Linux | 3.12.6 (including) | 3.12.6 (including) |