The pidfile_write function in core/pidfile.c in keepalived 1.2.2 and earlier uses 0666 permissions for the (1) keepalived.pid, (2) checkers.pid, and (3) vrrp.pid files in /var/run/, which allows local users to kill arbitrary processes by writing a PID to one of these files.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Keepalived | Keepalived | 0.2.1 | 0.2.1 |
| Keepalived | Keepalived | 0.2.3 | 0.2.3 |
| Keepalived | Keepalived | 0.2.6 | 0.2.6 |
| Keepalived | Keepalived | 0.2.7 | 0.2.7 |
| Keepalived | Keepalived | 0.3.5 | 0.3.5 |
| Keepalived | Keepalived | 0.3.6 | 0.3.6 |
| Keepalived | Keepalived | 0.3.7 | 0.3.7 |
| Keepalived | Keepalived | 0.3.8 | 0.3.8 |
| Keepalived | Keepalived | 0.4.8 | 0.4.8 |
| Keepalived | Keepalived | 0.4.9 | 0.4.9 |
| Keepalived | Keepalived | 0.4.9a | 0.4.9a |
| Keepalived | Keepalived | 0.5.3 | 0.5.3 |
| Keepalived | Keepalived | 0.5.5 | 0.5.5 |
| Keepalived | Keepalived | 0.5.6 | 0.5.6 |
| Keepalived | Keepalived | 0.5.7 | 0.5.7 |
| Keepalived | Keepalived | 0.5.8 | 0.5.8 |
| Keepalived | Keepalived | 0.5.9 | 0.5.9 |
| Keepalived | Keepalived | 0.6.1 | 0.6.1 |
| Keepalived | Keepalived | 0.6.2 | 0.6.2 |
| Keepalived | Keepalived | 0.6.3 | 0.6.3 |
| Keepalived | Keepalived | 0.6.4 | 0.6.4 |
| Keepalived | Keepalived | 0.6.5 | 0.6.5 |
| Keepalived | Keepalived | 0.6.6 | 0.6.6 |
| Keepalived | Keepalived | 0.6.7 | 0.6.7 |
| Keepalived | Keepalived | 0.6.8 | 0.6.8 |
| Keepalived | Keepalived | 0.6.9 | 0.6.9 |
| Keepalived | Keepalived | 0.6.10 | 0.6.10 |
| Keepalived | Keepalived | 0.7.1 | 0.7.1 |
| Keepalived | Keepalived | 0.7.6 | 0.7.6 |
| Keepalived | Keepalived | 1.0.0 | 1.0.0 |
| Keepalived | Keepalived | 1.0.1 | 1.0.1 |
| Keepalived | Keepalived | 1.0.2 | 1.0.2 |
| Keepalived | Keepalived | 1.0.3 | 1.0.3 |
| Keepalived | Keepalived | 1.1.0 | 1.1.0 |
| Keepalived | Keepalived | 1.1.1 | 1.1.1 |
| Keepalived | Keepalived | 1.1.2 | 1.1.2 |
| Keepalived | Keepalived | 1.1.3 | 1.1.3 |
| Keepalived | Keepalived | 1.1.4 | 1.1.4 |
| Keepalived | Keepalived | 1.1.5 | 1.1.5 |
| Keepalived | Keepalived | 1.1.6 | 1.1.6 |
| Keepalived | Keepalived | 1.1.7 | 1.1.7 |
| Keepalived | Keepalived | 1.1.8 | 1.1.8 |
| Keepalived | Keepalived | 1.1.9 | 1.1.9 |
| Keepalived | Keepalived | 1.1.10 | 1.1.10 |
| Keepalived | Keepalived | 1.1.11 | 1.1.11 |
| Keepalived | Keepalived | 1.1.12 | 1.1.12 |
| Keepalived | Keepalived | 1.1.13 | 1.1.13 |
| Keepalived | Keepalived | 1.1.14 | 1.1.14 |
| Keepalived | Keepalived | 1.1.15 | 1.1.15 |
| Keepalived | Keepalived | 1.1.16 | 1.1.16 |
| Keepalived | Keepalived | 1.1.17 | 1.1.17 |
| Keepalived | Keepalived | 1.1.18 | 1.1.18 |
| Keepalived | Keepalived | 1.1.19 | 1.1.19 |
| Keepalived | Keepalived | 1.1.20 | 1.1.20 |
| Keepalived | Keepalived | 1.2.0 | 1.2.0 |
| Keepalived | Keepalived | 1.2.1 | 1.2.1 |
| Keepalived | Keepalived | * | 1.2.2 |
| Keepalived | Ubuntu | artful | * |
| Keepalived | Ubuntu | dapper | * |
| Keepalived | Ubuntu | hardy | * |
| Keepalived | Ubuntu | lucid | * |
| Keepalived | Ubuntu | maverick | * |
| Keepalived | Ubuntu | natty | * |
| Keepalived | Ubuntu | oneiric | * |
| Keepalived | Ubuntu | precise | * |
| Keepalived | Ubuntu | quantal | * |
| Keepalived | Ubuntu | raring | * |
| Keepalived | Ubuntu | saucy | * |
| Keepalived | Ubuntu | upstream | * |
| Keepalived | Ubuntu | utopic | * |
| Keepalived | Ubuntu | vivid | * |
| Keepalived | Ubuntu | wily | * |
| Keepalived | Ubuntu | yakkety | * |
| Keepalived | Ubuntu | zesty | * |