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Fencer Vulns
low 3.3

CVE-2026-10722 json

cilium ebpf LoadCollectionSpec/LoadCollectionSpecFromReader btf.go loadRawSpec integer overflow

published 2026-06-03 5 mo ago modified 2026-09-10 1 mo ago also GHSA-xhgw-qwwf-pg32 , GO-2026-6238 , EUVD-2026-34082

cvss
3.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits
0
none known

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.

Patch / fix

  • go github.com/cilium/ebpf 0.22.0
  • golang-github-cilium-ebpf Debian 14 0.22.0+ds1-1

debian advisories DEBIAN-CVE-2026-10722

  • alloy SLES 16.0, SLES for SAP applications 16.0 1.18.0-160000.1.1
  • alloy SLE Module for Basesystem 15 SP7 1.18.0-150700.15.26.1
  • govulncheck-vulndb SLES for SAP applications 16.0, SLES 16.0 0.0.20260827T195228-160000.1.1
  • amazon-ecs-init SLES for SAP applications 16.0, SLES 16.0 1.106.0-160000.1.1
  • alloy SLES 16.0, SLES for SAP applications 16.0 1.17.1-160000.1.1
  • alloy SLE Module for Basesystem 15 SP7 1.17.1-150700.15.23.1

suse advisories SUSE-SU-2026:23853-1SUSE-SU-2026:23865-1SUSE-SU-2026:4210-1SUSE-SU-2026:23625-1SUSE-SU-2026:23234-1SUSE-SU-2026:22946-1

  • alloy openSUSE Leap 16.0 1.18.0-160000.1.1
  • govulncheck-vulndb openSUSE Leap 16.0 0.0.20260827T195228-160000.1.1
  • amazon-ecs-init openSUSE Leap 16.0 1.106.0-160000.1.1
  • amazon-ecs-init openSUSE Tumbleweed 1.106.0-1.1
  • alloy openSUSE Leap 16.0 1.17.1-160000.1.1
  • ctop openSUSE Leap 16.0 0.7.7-bp160.2.1
  • cadvisor openSUSE Leap 16.0 0.60.3-bp160.1.1
  • alloy openSUSE Tumbleweed 1.17.1-1.1

opensuse advisories openSUSE-SU-2026:21899-1openSUSE-SU-2026:21761-1openSUSE-SU-2026:21574-1openSUSE-SU-2026:11443-1openSUSE-SU-2026:21442-1openSUSE-SU-2026:21379-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-10722 updated cvss 5.5

github.com/cilium/ebpf: Cilium ebpf: Denial of Service via integer overflow

  • Red Hat Confidential Compute Attestation openshift-sandboxed-containers/osc-monitor-rhel9 Red Hat Multiarch Tuning Operator multiarch-tuning/multiarch-tuning-rhel9-operator, multiarch-tuning/multiarch-tuning-operator-bundle Red Hat Multicluster Global Hub multicluster-globalhub/multicluster-globalhub-grafana-rhel9 Red Hat Network Observability Operator network-observability/network-observability-ebpf-agent-rhel9, network-observability/network-observability-flowlogs-pipeline-rhel9 Red Hat OpenShift Service Mesh 2 openshift-service-mesh/pilot-rhel8, openshift-service-mesh/proxyv2-rhel9, openshift-service-mesh/istio-cni-rhel8 Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/thanos-rhel9, rhacm2/prometheus-rhel9, rhacm2/acm-grafana-rhel9, rhacm2/acm-prometheus-rhel9, rhacm2/acm-prometheus-config-reloader-rhel9, redhat-user-workloads/crt-redhat-acm-tenant/thanos-acm-213, +8 more
    +7 more products
    Red Hat Ceph Storage 9 rhceph/alloy-rhel10 Red Hat Enterprise Linux 8 runc Red Hat Enterprise Linux 9 runc Red Hat Enterprise Linux 10 delve Red Hat OpenShift Container Platform 4 runc, cri-o, podman, openshift, microshift, podman-tests, +61 more Red Hat OpenShift Container Platform 5 runc, microshift, kata-containers, openshift5/ingress-node-firewall-rhel9, openshift5/ingress-node-firewall-rhel9-operator Red Hat OpenShift Virtualization 4 kubevirt, container-native-virtualization/virt-handler, container-native-virtualization/virt-launcher, container-native-virtualization/virt-handler-rhel9, container-native-virtualization/virt-launcher-rhel9, container-native-virtualization/virt-synchronization-controller-rhel9
    affected: no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
5 mo ago

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gist.github.com https://gist.github.com/thesmartshadow/256bff0f8042c584f993ace89074a815 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 4.8 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
CNA 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
CNA 3.0 3.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
CNA 2.0 1.7 AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C
CNA 4.0 1.9 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA 2.0 1.7 AV:L/AC:L/Au:S/C:N/I:N/A:P
GitHub 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
go github.com/cilium/ebpf
<0.22.0
0.22.0

Affected products

  • cilium ebpf

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.