High · published July 29, 2024
In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix remap of arena.
The bpf arena logic didn't account for mremap operation. Add a refcnt for
multiple mmap events to prevent use-after-free in arena_vm_close.
| Product | Versions | Fixed in |
|---|---|---|
| linux/linux_kernel | < 6.9 | 6.9 |
| linux/linux_kernel | ≥ 6.9.1, < 6.9.8 | 6.9.8 |