cilium ebpf LoadCollectionSpec/LoadCollectionSpecFromReader btf.go loadRawSpec integer overflow

Description

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 Products

References

• https://vuldb.com/vuln/368091(vdb-entry, technical-description)
• https://vuldb.com/vuln/368091/cti(signature, permissions-required)
• https://vuldb.com/cve/CVE-2026-10722(third-party-advisory)
• https://vuldb.com/submit/818291(third-party-advisory)
• https://github.com/cilium/ebpf/issues/2019(issue-tracking)
• https://github.com/cilium/ebpf/pull/2021(issue-tracking, patch)
• https://gist.github.com/thesmartshadow/256bff0f8042c584f993ace89074a815(exploit)
• https://github.com/cilium/ebpf/commit/533dfc82fd228bfadf42ea7180c39de7d9af47fa(patch)
• https://github.com/cilium/ebpf/(product)

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