Integer overflow in Cilium Ebpf
CVE-2026-10722
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (6.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Cilium Ebpf — versions 0.1, 0.2, 0.3
Weakness classification (CWE)
References
- vuldb.com/vuln/368091 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/368091/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/cve/CVE-2026-10722 (VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/submit/818291 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/cilium/ebpf/issues/2019 (issue-tracking, Issue Tracking)
- github.com/cilium/ebpf/pull/2021 (issue-tracking, Patch, patch, Issue Tracking)
- gist.github.com/thesmartshadow/256bff0f8042c584f993ace89074a815 (Exploit, Third Party Advisory, exploit, Mitigation, Issue Tracking)
- github.com/cilium/ebpf/commit/533dfc82fd228bfadf42ea7180c39de7d9af47fa (Patch, patch)
- github.com/cilium/ebpf/ (Product, product)
Frequently asked questions
- What is CVE-2026-10722?
- CVE-2026-10722 is a low-severity vulnerability in Cilium Ebpf, classified under CWE-189. CVSS score: 3.3/10. Published 2026-06-03.
- How severe is CVE-2026-10722?
- Low severity. CVSS v3 base score is 3.3 out of 10.