The RBAC functionality in grsecurity before 2.1.11-2.6.24.5 and 2.1.11-2.4.36.2 does not enforce user_transition_deny and user_transition_allow rules for the (1) sys_setfsuid and (2) sys_setfsgid calls, which allows local users to bypass restrictions for those calls.
| Software | From | Fixed in |
|---|---|---|
| grsecurity / grsecurity_kernel_patch | 2.4.33.2 | 2.4.33.2.x |
| grsecurity / grsecurity_kernel_patch | 2.6.18 | 2.6.18.x |
| grsecurity / grsecurity_kernel_patch | 2.4.33.4 | 2.4.33.4.x |
| grsecurity / grsecurity_kernel_patch | 2.4.33 | 2.4.33.x |
| grsecurity / grsecurity_kernel_patch | 2.4.33.3 | 2.4.33.3.x |
| grsecurity / grsecurity_kernel_patch | 2.6.24.4 | 2.6.24.4.x |
| grsecurity / grsecurity_kernel_patch | 2.4.34 | 2.4.34.x |