High · published September 13, 2024
In the Linux kernel, the following vulnerability has been resolved:
perf/aux: Fix AUX buffer serialization
Ole reported that event->mmap_mutex is strictly insufficient to
serialize the AUX buffer, add a per RB mutex to fully serialize it.
Note that in the lock order comment the perf_event::mmap_mutex order
was already wrong, that is, it nesting under mmap_lock is not new with
this patch.
| Product | Versions | Fixed in |
|---|---|---|
| linux/linux_kernel | ≥ 4.1, < 5.10.226 | 5.10.226 |
| linux/linux_kernel | ≥ 5.11, < 5.15.167 | 5.15.167 |
| linux/linux_kernel | ≥ 5.16, < 6.1.110 | 6.1.110 |
| linux/linux_kernel | ≥ 6.2, < 6.6.51 | 6.6.51 |
| linux/linux_kernel | ≥ 6.7, < 6.10.10 | 6.10.10 |
| linux/linux_kernel | all versions | — |
| linux/linux_kernel | all versions | — |
| linux/linux_kernel | all versions | — |
| linux/linux_kernel | all versions | — |
| linux/linux_kernel | all versions | — |
| linux/linux_kernel | all versions | — |