cilium ebpf LoadCollectionSpec/LoadCollectionSpecFromReader btf.go loadRawSpec integer overflow
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 4.8epss 0.2%
exploitation probability
0.2%top 92% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
cilium · ebpfpublic PoCs found — 1
cve_referencegist.github.com/thesmartshadow/256bff0f8042c584f993ace89074a815unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://gist.github.com/thesmartshadow/256bff0f8042c584f993ace89074a815https://github.com/cilium/ebpf/https://github.com/cilium/ebpf/commit/533dfc82fd228bfadf42ea7180c39de7d9af47fahttps://github.com/cilium/ebpf/issues/2019https://github.com/cilium/ebpf/pull/2021https://vuldb.com/cve/CVE-2026-10722https://vuldb.com/submit/818291https://vuldb.com/vuln/368091https://vuldb.com/vuln/368091/cti