Database/Kernel, userspace & hypervisor
Linux kernel (eBPF verifier): Incorrect verifier pruning marks unsafe paths as safe
CVE-2023-2163Kernel, userspace & hypervisorcurated
Impact
Incorrect verifier pruning marks unsafe paths as safe - arbitrary kernel read/write from BPF
Who can reach it
Any tenant process in a container where BPF is reachable
What to do
Livepatchable; otherwise drain + reboot. kernel.unprivileged_bpf_disabled=1; audit any tenant-facing eBPF observability feature
References
This entry is curated: imported from vendor advisories with machine assistance, not yet individually verified. Confirm against your vendor's advisory before acting, and report anything wrong.