The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and updating a negative key into a fully instantiated key.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | 2.6 (including) | 2.6 (including) |
| Red Hat Enterprise Linux 5 | RedHat | kernel-0:2.6.18-274.12.1.el5 | * |
| Red Hat Enterprise Linux 6 | RedHat | kernel-0:2.6.32-220.el6 | * |
| Red Hat Enterprise Linux 6.1 EUS - Server Only | RedHat | kernel-0:2.6.32-131.25.1.el6 | * |
| Red Hat Enterprise MRG 2 | RedHat | kernel-rt-0:2.6.33.9-rt31.79.el6rt | * |
| Red Hat Enterprise MRG 2 | RedHat | kernel-rt-0:3.0.18-rt34.53.el6rt | * |
| Linux | Ubuntu | hardy | * |
| Linux | Ubuntu | lucid | * |
| Linux | Ubuntu | maverick | * |
| Linux | Ubuntu | natty | * |
| Linux | Ubuntu | oneiric | * |
| Linux | Ubuntu | upstream | * |
| Linux-armadaxp | Ubuntu | upstream | * |
| Linux-aws | Ubuntu | upstream | * |
| Linux-ec2 | Ubuntu | lucid | * |
| Linux-ec2 | Ubuntu | maverick | * |
| Linux-ec2 | Ubuntu | upstream | * |
| Linux-flo | Ubuntu | upstream | * |
| Linux-fsl-imx51 | Ubuntu | lucid | * |
| Linux-fsl-imx51 | Ubuntu | upstream | * |
| Linux-gke | Ubuntu | upstream | * |
| Linux-goldfish | Ubuntu | saucy | * |
| Linux-goldfish | Ubuntu | upstream | * |
| Linux-grouper | Ubuntu | saucy | * |
| Linux-grouper | Ubuntu | trusty | * |
| Linux-grouper | Ubuntu | upstream | * |
| Linux-grouper | Ubuntu | utopic | * |
| Linux-hwe | Ubuntu | upstream | * |
| Linux-hwe-edge | Ubuntu | upstream | * |
| Linux-lts-backport-maverick | Ubuntu | lucid | * |
| Linux-lts-backport-maverick | Ubuntu | upstream | * |
| Linux-lts-backport-natty | Ubuntu | lucid | * |
| Linux-lts-backport-natty | Ubuntu | upstream | * |
| Linux-lts-backport-oneiric | Ubuntu | lucid | * |
| Linux-lts-backport-oneiric | Ubuntu | upstream | * |
| Linux-lts-quantal | Ubuntu | upstream | * |
| Linux-lts-raring | Ubuntu | upstream | * |
| Linux-lts-saucy | Ubuntu | upstream | * |
| Linux-lts-trusty | Ubuntu | upstream | * |
| Linux-lts-utopic | Ubuntu | upstream | * |
| Linux-lts-vivid | Ubuntu | upstream | * |
| Linux-lts-wily | Ubuntu | upstream | * |
| Linux-lts-xenial | Ubuntu | upstream | * |
| Linux-maguro | Ubuntu | saucy | * |
| Linux-maguro | Ubuntu | trusty | * |
| Linux-maguro | Ubuntu | upstream | * |
| Linux-mako | Ubuntu | saucy | * |
| Linux-mako | Ubuntu | upstream | * |
| Linux-manta | Ubuntu | saucy | * |
| Linux-manta | Ubuntu | upstream | * |
| Linux-mvl-dove | Ubuntu | lucid | * |
| Linux-mvl-dove | Ubuntu | maverick | * |
| Linux-mvl-dove | Ubuntu | upstream | * |
| Linux-raspi2 | Ubuntu | upstream | * |
| Linux-raspi2 | Ubuntu | vivid/ubuntu-core | * |
| Linux-snapdragon | Ubuntu | upstream | * |
| Linux-ti-omap4 | Ubuntu | maverick | * |
| Linux-ti-omap4 | Ubuntu | natty | * |
| Linux-ti-omap4 | Ubuntu | oneiric | * |
| Linux-ti-omap4 | Ubuntu | upstream | * |