A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds memory write in the Linux kernel’s BPF subsystem due to the way a user loads BTF. This flaw allows a local user to crash or escalate their privileges on the system.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 5.16 | 5.16.11 |
| linux / linux_kernel | 5.10 | 5.15.37 |
| fedoraproject / fedora | 34 | 34.x |
| fedoraproject / fedora | 35 | 35.x |