The (1) it87 and (2) via686a drivers in I2C for Linux 2.6.x before 2.6.11.8, and 2.6.12 before 2.6.12-rc2, create the sysfs alarms file with write permissions, which allows local users to cause a denial of service (CPU consumption) by attempting to write to the file, which does not have an associated store function.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | 2.6.0 (including) | 2.6.0 (including) |
| Linux_kernel | Linux | 2.6.1 (including) | 2.6.1 (including) |
| Linux_kernel | Linux | 2.6.1-rc1 (including) | 2.6.1-rc1 (including) |
| Linux_kernel | Linux | 2.6.1-rc2 (including) | 2.6.1-rc2 (including) |
| Linux_kernel | Linux | 2.6.2 (including) | 2.6.2 (including) |
| Linux_kernel | Linux | 2.6.3 (including) | 2.6.3 (including) |
| Linux_kernel | Linux | 2.6.4 (including) | 2.6.4 (including) |
| Linux_kernel | Linux | 2.6.5 (including) | 2.6.5 (including) |
| Linux_kernel | Linux | 2.6.6 (including) | 2.6.6 (including) |
| Linux_kernel | Linux | 2.6.7 (including) | 2.6.7 (including) |
| Linux_kernel | Linux | 2.6.8 (including) | 2.6.8 (including) |
| Linux_kernel | Linux | 2.6.8.1 (including) | 2.6.8.1 (including) |
| Linux_kernel | Linux | 2.6.9-2.6.20 (including) | 2.6.9-2.6.20 (including) |
| Linux_kernel | Linux | 2.6.10 (including) | 2.6.10 (including) |
| Linux_kernel | Linux | 2.6.10-rc2 (including) | 2.6.10-rc2 (including) |
| Linux_kernel | Linux | 2.6.11 (including) | 2.6.11 (including) |
| Linux_kernel | Linux | 2.6.12-rc1 (including) | 2.6.12-rc1 (including) |