nfnetlink_log in netfilter in the Linux kernel before 2.6.20.3 allows attackers to cause a denial of service (crash) via unspecified vectors involving the (1) nfulnl_recv_config function, (2) using multiple packets per netlink message, and (3) bridged packets, which trigger a NULL pointer dereference.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | * | 2.6.20.2 (including) |
| Red Hat Enterprise Linux 5 | RedHat | kernel-0:2.6.18-8.1.4.el5 | * |
| Linux-source-2.6.15 | Ubuntu | dapper | * |
| Linux-source-2.6.17 | Ubuntu | edgy | * |