The sysfs_readdir function in the Linux kernel 2.6, as used in Red Hat Enterprise Linux (RHEL) 4.5 and other distributions, allows users to cause a denial of service (kernel OOPS) by dereferencing a null pointer to an inode in a dentry.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | 2.6.0 (including) | 2.6.0 (including) |
| Linux-source-2.6.15 | Ubuntu | dapper | * |
| Linux-source-2.6.17 | Ubuntu | edgy | * |
| Linux-source-2.6.20 | Ubuntu | feisty | * |
| Red Hat Enterprise Linux 4 | RedHat | kernel-0:2.6.9-55.0.2.EL | * |
| Red Hat Enterprise Linux 5 | RedHat | kernel-0:2.6.18-53.1.6.el5 | * |