The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sa_restorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application containing a sigaction system call.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | * | 3.8.3 (including) |
| Linux_kernel | Linux | 3.8.0 (including) | 3.8.0 (including) |
| Linux_kernel | Linux | 3.8.1 (including) | 3.8.1 (including) |
| Linux_kernel | Linux | 3.8.2 (including) | 3.8.2 (including) |