CVE-2026-10722

cilium ebpf LoadCollectionSpec/LoadCollectionSpecFromReader btf.go loadRawSpec integer overflow

Assigner: VulDB
Reserved: 03.06.2026 Published: 03.06.2026 Updated: 03.06.2026

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.

Metrics

CVSS Vector: 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
CVSS Score: 4.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: 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
CVSS Score: 3.3

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	Low

CVSS 3.1

CVSS Vector: 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
CVSS Score: 3.3

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	Low

CVSS 3.0

CVSS Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C
CVSS Score: 1.7

Access Vector	Local	Confidentiality Impact	None
Access Complexity	Low	Integrity Impact	None
Authentication	Single	Availability Impact	Partial

CVSS 2.0

Product Status

Vendor	cilium
Product	ebpf
Versions	Version 0.1 is affected Version 0.2 is affected Version 0.3 is affected Version 0.4 is affected Version 0.5 is affected Version 0.6 is affected Version 0.7 is affected Version 0.8 is affected Version 0.9 is affected Version 0.10 is affected Version 0.11 is affected Version 0.12 is affected Version 0.13 is affected Version 0.14 is affected Version 0.15 is affected Version 0.16 is affected Version 0.17 is affected Version 0.18 is affected Version 0.19 is affected Version 0.20 is affected Version 0.21.0 is affected

Vendor

cilium

Product

ebpf

Versions

Version 0.1 is affected
Version 0.2 is affected
Version 0.3 is affected
Version 0.4 is affected
Version 0.5 is affected
Version 0.6 is affected
Version 0.7 is affected
Version 0.8 is affected
Version 0.9 is affected
Version 0.10 is affected
Version 0.11 is affected
Version 0.12 is affected
Version 0.13 is affected
Version 0.14 is affected
Version 0.15 is affected
Version 0.16 is affected
Version 0.17 is affected
Version 0.18 is affected
Version 0.19 is affected
Version 0.20 is affected
Version 0.21.0 is affected

Credits

alifiras (VulDB User) reporter
alifiras (VulDB User) analyst

References

Problem Types