The key serial number collision avoidance code in the key_alloc_serial function in Linux kernel 2.6.9 up to 2.6.20 allows local users to cause a denial of service (crash) via vectors that trigger a null dereference, as originally reported as spinlock CPU recursion.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | * | 2.6.20 (including) |
| Linux_kernel | Linux | 2.6.9-2.6.20 (including) | 2.6.9-2.6.20 (including) |
| Red Hat Enterprise Linux 4 | RedHat | kernel-0:2.6.9-42.0.10.EL | * |
| Red Hat Enterprise Linux 5 | RedHat | kernel-0:2.6.18-8.1.1.el5 | * |
| Linux-source-2.6.15 | Ubuntu | dapper | * |
| Linux-source-2.6.17 | Ubuntu | edgy | * |