TI-2026-09219 Aliases CVE-2026-10722 GHSA-xhgw-qwwf-pg32

cilium ebpf LoadCollectionSpec/LoadCollectionSpecFromReader btf.go loadRawSpec integer overflow

MEDIUM 55CWE-189Published 2026-06-03 · Updated 2026-06-03

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: None · None · Low
Fix status: Partial Red Hat: 13 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA, GitHub and Red Hat.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00179 7th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix Partial github.com/cilium/ebpf (Go): 0.22.0Red Hat: 13 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
cilium	ebpf	0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; 0.9; 0.10; 0.11; 0.12; 0.13; 0.14; 0.15; 0.16; 0.17; 0.18; 0.19; 0.20; 0.21.0	—	No fix listed	CNA
—	github.com/cilium/ebpf (Go)	before 0.22.0	0.22.0	Patch available	GHSA-xhgw-qwwf-pg32

ebpf Vendorcilium Affected 0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; 0.9; 0.10; 0.11; 0.12; 0.13; 0.14; 0.15; 0.16; 0.17; 0.18; 0.19; 0.20; 0.21.0 Fixed in — No fix listed CNA
github.com/cilium/ebpf (Go) Vendor— Affected before 0.22.0 Fixed in 0.22.0 Patch available GHSA-xhgw-qwwf-pg32

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cilium:ebpf::::::go::*	up to 0.21.0	Vulnerable	cilium

cpe:2.3:a:cilium:ebpf:*:*:*:*:*:go:*:* Versions up to 0.21.0 Vulnerable ·cilium

Remediation

Fix · GHSA-xhgw-qwwf-pg32 github.com/cilium/ebpf (Go) Fixed in 0.22.0 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Confidential Compute Attestation	Affected	No fix yet: Fix deferred
Multiarch Tuning Operator	Affected	No fix yet: Fix deferred
Multicluster Global Hub	Affected	No fix yet: Fix deferred
Network Observability Operator	Affected	No fix yet: Fix deferred
OpenShift Service Mesh 2	Affected	No fix yet: Fix deferred
Red Hat Advanced Cluster Management for Kubernetes 2	Affected	No fix yet: Fix deferred
Red Hat Ceph Storage 9	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 10	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 8	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 9	Affected	No fix yet: Fix deferred
Red Hat OpenShift Container Platform 4	Affected	No fix yet: Fix deferred
Red Hat OpenShift Container Platform 5	Affected	No fix yet: Fix deferred
Red Hat OpenShift Virtualization 4	Affected	No fix yet: Fix deferred

Timeline

2026-10-02 Threatist record created from CVE-2026-10722
2026-10-03 Alias added: GHSA-xhgw-qwwf-pg32
2026-11-05 Affected versions changed · Red Hat

References

Exploit 1

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

Patch 2

Advisory 1

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

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences