In the Linux kernel, the following vulnerability has been resolved:
ring-buffer: Fix buffer locking in ring_buffer_subbuf_order_set()
Enlarge the critical section in ring_buffer_subbuf_order_set() to ensure that error handling takes place with per-buffer mutex held, thus preventing list corruption and other concurrency-related issues.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 6.8 | 6.12.34 |
| linux / linux_kernel | 6.13 | 6.15.3 |