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CVE-2026-10722— cilium ebpf LoadCollectionSpec/LoadCollectionSpecFromReader btf.go loadRawSpec integer overflow

Quick assessment

Affected
cilium ebpf
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cilium是Cilium开源的一个开源软件。用于提供和透明地保护应用程序工作负载（如应用程序容器或进程）之间的网络连接和负载平衡。 Cilium 0.21.0及之前版本存在安全漏洞，该漏洞源于文件btf/btf.go中组件LoadCollectionSpec/LoadCollectionSpecFromReader的函数loadRawSpec对参数offset的操作，可能导致整数溢出。

CVSS 3.3 · Low EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1055 · Process Injection

Affected Version Matrix 21

VendorProduct Version RangeStatus
cilium ebpf 0.1 affected
0.2 affected
0.3 affected
0.4 affected
0.5 affected
0.6 affected
0.7 affected
0.8 affected
… +13 more rows
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I. Basic Information for CVE-2026-10722

Vulnerability Information
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Vulnerability Title
cilium ebpf LoadCollectionSpec/LoadCollectionSpecFromReader btf.go loadRawSpec integer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Cilium 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cilium是Cilium开源的一个开源软件。用于提供和透明地保护应用程序工作负载（如应用程序容器或进程）之间的网络连接和负载平衡。 Cilium 0.21.0及之前版本存在安全漏洞，该漏洞源于文件btf/btf.go中组件LoadCollectionSpec/LoadCollectionSpecFromReader的函数loadRawSpec对参数offset的操作，可能导致整数溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
cilium ebpf 0.1 cpe:2.3:a:cilium:ebpf:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-10722

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III. Intelligence Information for CVE-2026-10722

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Patches & Fixes for CVE-2026-10722 (2)

Proof of Concept for CVE-2026-10722 (1)

Other References for CVE-2026-10722 (1)

IV. Related Vulnerabilities

Same vendor: cilium
Same weakness: CWE-190

V. Comments for CVE-2026-10722

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