A vulnerability has been found in cilium ebpf up to 0.21.0. This affects the function loadRawSpec of the file btf/btf.go of the component LoadCollectionSpec/LoadCollectionSpecFromReader. Such manipulation of the argument offset leads to integer overflow. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. The name of the patch is 533dfc82fd228bfadf42ea7180c39de7d9af47fa. A patch should be applied to remediate this issue.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ebpf | Cilium | * | 0.21.0 (including) |
References
- https://gist.github.com/thesmartshadow/256bff0f8042c584f993ace89074a815
- https://github.com/cilium/ebpf/
- https://github.com/cilium/ebpf/commit/533dfc82fd228bfadf42ea7180c39de7d9af47fa
- https://github.com/cilium/ebpf/issues/2019
- https://github.com/cilium/ebpf/pull/2021
- https://vuldb.com/cve/CVE-2026-10722
- https://vuldb.com/submit/818291
- https://vuldb.com/vuln/368091
- https://vuldb.com/vuln/368091/cti