The sisfb_ioctl function in drivers/video/sis/sis_main.c in the Linux kernel before 2.6.36-rc6 does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via an FBIOGET_VBLANK ioctl call.
The product does not initialize a critical resource.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | * | 2.6.36 (excluding) |
| Linux_kernel | Linux | 2.6.36 (including) | 2.6.36 (including) |
| Linux_kernel | Linux | 2.6.36-rc1 (including) | 2.6.36-rc1 (including) |
| Linux_kernel | Linux | 2.6.36-rc2 (including) | 2.6.36-rc2 (including) |
| Linux_kernel | Linux | 2.6.36-rc3 (including) | 2.6.36-rc3 (including) |
| Linux_kernel | Linux | 2.6.36-rc4 (including) | 2.6.36-rc4 (including) |
| Linux_kernel | Linux | 2.6.36-rc5 (including) | 2.6.36-rc5 (including) |
| Linux | Ubuntu | hardy | * |
| Linux | Ubuntu | karmic | * |
| Linux | Ubuntu | upstream | * |
| Linux-ec2 | Ubuntu | karmic | * |
| Linux-ec2 | Ubuntu | maverick | * |
| Linux-ec2 | Ubuntu | upstream | * |
| Linux-fsl-imx51 | Ubuntu | karmic | * |
| Linux-fsl-imx51 | Ubuntu | lucid | * |
| Linux-fsl-imx51 | Ubuntu | upstream | * |
| Linux-lts-backport-maverick | Ubuntu | upstream | * |
| Linux-mvl-dove | Ubuntu | karmic | * |
| Linux-mvl-dove | Ubuntu | upstream | * |
| Linux-source-2.6.15 | Ubuntu | dapper | * |
| Linux-source-2.6.15 | Ubuntu | upstream | * |
| Linux-ti-omap4 | Ubuntu | upstream | * |