CVE-2024-42075 Information

Description

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.

Reference

https://git.kernel.org/stable/c/87496a1b01e8e2e399428c0db25e106f7961d01e https://git.kernel.org/stable/c/b90d77e5fd784ada62ddd714d15ee2400c28e1cf