Medium · published January 8, 2024
It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.
| Product | Versions | Fixed in |
|---|---|---|
| linux/linux_kernel | < 4.9.326 | 4.9.326 |
| linux/linux_kernel | ≥ 4.10, < 4.14.291 | 4.14.291 |
| linux/linux_kernel | ≥ 4.15, < 4.19.256 | 4.19.256 |
| linux/linux_kernel | ≥ 4.20, < 5.4.211 | 5.4.211 |
| linux/linux_kernel | ≥ 5.5, < 5.10.137 | 5.10.137 |
| linux/linux_kernel | ≥ 5.11, < 5.15.61 | 5.15.61 |
| linux/linux_kernel | ≥ 5.16, < 5.18.18 | 5.18.18 |
| linux/linux_kernel | ≥ 5.19, < 5.19.2 | 5.19.2 |
| canonical/ubuntu_linux | all versions | — |
| canonical/ubuntu_linux | all versions | — |
| canonical/ubuntu_linux | all versions | — |
| canonical/ubuntu_linux | all versions | — |
| canonical/ubuntu_linux | all versions | — |