ebpf-go is vulnerable to integer overflow via LoadCollectionSpecFromReader

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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2026-10722

• cilium/ebpf#2019

• cilium/ebpf#2021

• cilium/ebpf@533dfc8

• https://gist.github.com/thesmartshadow/256bff0f8042c584f993ace89074a815

• https://github.com/cilium/ebpf

• https://vuldb.com/cve/CVE-2026-10722

• https://vuldb.com/submit/818291

• https://vuldb.com/vuln/368091

• https://vuldb.com/vuln/368091/cti