CVE-2026-10722

MEDIUM4.8

cilium ebpf LoadCollectionSpec/LoadCollectionSpecFromReader btf.go loadRawSpec integer overflow

Published Jun 3, 2026

Modified 3 weeks ago

Details

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

DETECTION

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

WEB

https://github.com/cilium/ebpf/

FIX

https://github.com/cilium/ebpf/commit/533dfc82fd228bfadf42ea7180c39de7d9af47fa

WEB

https://github.com/cilium/ebpf/issues/2019

FIX

https://github.com/cilium/ebpf/pull/2021

ADVISORY