Medium · published March 6, 2025
In the Linux kernel, the following vulnerability has been resolved:
ubifs: skip dumping tnc tree when zroot is null
Clearing slab cache will free all znode in memory and make
c->zroot.znode = NULL, then dumping tnc tree will access
c->zroot.znode which cause null pointer dereference.
| Product | Versions | Fixed in |
|---|---|---|
| linux/linux_kernel | ≥ 2.6.27, < 5.4.291 | 5.4.291 |
| linux/linux_kernel | ≥ 5.5, < 5.10.235 | 5.10.235 |
| linux/linux_kernel | ≥ 5.11, < 5.15.179 | 5.15.179 |
| linux/linux_kernel | ≥ 5.16, < 6.1.129 | 6.1.129 |
| linux/linux_kernel | ≥ 6.2, < 6.6.76 | 6.6.76 |
| linux/linux_kernel | ≥ 6.7, < 6.12.13 | 6.12.13 |
| linux/linux_kernel | ≥ 6.13, < 6.13.2 | 6.13.2 |