usr/log.c in iscsid in open-iscsi (iscsi-initiator-utils) before 2.0-865 uses a semaphore with insecure permissions (world-writable/world-readable) for managing log messages using shared memory, which allows local users to cause a denial of service (hang) by grabbing the semaphore.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Enterprise_linux | Redhat | 5.0 (including) | 5.0 (including) |
| Open-iscsi | Ubuntu | feisty | * |
| Red Hat Enterprise Linux 5 | RedHat | iscsi-initiator-utils-0:6.2.0.742-0.6.el5 | * |