Medium · published September 9, 2022
An out-of-bounds memory read flaw was found in the Linux kernel's BPF subsystem in how a user calls the bpf_tail_call function with a key larger than the max_entries of the map. This flaw allows a local user to gain unauthorized access to data.
| Product | Versions | Fixed in |
|---|---|---|
| linux/linux_kernel | < 6.0 | 6.0 |
| linux/linux_kernel | all versions | — |
| linux/linux_kernel | all versions | — |
| linux/linux_kernel | all versions | — |
| redhat/enterprise_linux | all versions | — |
| debian/debian_linux | all versions | — |