arch/i386/kernel/sysenter.c in the Virtual Dynamic Shared Objects (vDSO) implementation in the Linux kernel before 2.6.21 does not properly check boundaries, which allows local users to gain privileges or cause a denial of service via unspecified vectors, related to the install_special_mapping, syscall, and syscall32_nopage functions.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 2.6.18-rc3 | 2.6.18-rc3.x |
| linux / linux_kernel | 2.6.18-rc2 | 2.6.18-rc2.x |
| linux / linux_kernel | 2.4.36.6 | 2.4.36.6.x |
| linux / linux_kernel | 2.6.18-rc5 | 2.6.18-rc5.x |
| linux / linux_kernel | 2.6.18-rc4 | 2.6.18-rc4.x |
| linux / linux_kernel | 2.4.36.2 | 2.4.36.2.x |
| linux / linux_kernel | 2.6.20.16 | 2.6.20.16.x |
| linux / linux_kernel | 2.6.19.4 | 2.6.19.4.x |
| linux / linux_kernel | 2.4.36.1 | 2.4.36.1.x |
| linux / linux_kernel | 2.6.20.17 | 2.6.20.17.x |
| linux / linux_kernel | 2.4.36.4 | 2.4.36.4.x |
| linux / linux_kernel | 2.6.20.20 | 2.6.20.20.x |
| linux / linux_kernel | 2.4.36.3 | 2.4.36.3.x |
| linux / linux_kernel | 2.6.20.18 | 2.6.20.18.x |
| linux / linux_kernel | 2.6.19.7 | 2.6.19.7.x |
| linux / linux_kernel | 2.6.20.19 | 2.6.20.19.x |
| linux / linux_kernel | - | 2.6.20.21.x |
| linux / linux_kernel | 2.6.18-rc7 | 2.6.18-rc7.x |
| linux / linux_kernel | 2.4.36 | 2.4.36.x |
| linux / linux_kernel | 2.6.19.6 | 2.6.19.6.x |
| linux / linux_kernel | 2.6.18-rc6 | 2.6.18-rc6.x |
| linux / linux_kernel | 2.6.19.5 | 2.6.19.5.x |
| linux / linux_kernel | 2.6.18 | 2.6.18.x |
| linux / linux_kernel | 2.4.36.5 | 2.4.36.5.x |
| linux / linux_kernel | 2.2.27 | 2.2.27.x |
| linux / linux_kernel | 2.6.18-rc1 | 2.6.18-rc1.x |
| linux / linux_kernel | 2.6 | 2.6.x |