SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted ELF program with DWARF expressions that are not properly handled by a stap script that performs stack unwinding (aka backtracing).
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Systemtap | Systemtap | 1.4 (including) | 1.4 (including) |
| Red Hat Enterprise Linux 6 | RedHat | systemtap-0:1.4-6.el6_1.1 | * |
| Systemtap | Ubuntu | hardy | * |
| Systemtap | Ubuntu | lucid | * |
| Systemtap | Ubuntu | maverick | * |
| Systemtap | Ubuntu | natty | * |
| Systemtap | Ubuntu | oneiric | * |
| Systemtap | Ubuntu | upstream | * |