The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | 3.18 (including) | 3.18.31 (excluding) |
| Linux_kernel | Linux | 3.19 (including) | 4.1.22 (excluding) |
| Linux_kernel | Linux | 4.2 (including) | 4.4 (excluding) |