CVE-2026-10722: A vulnerability has been found in cilium ebpf up to 0.21.0

Q: How do I fix CVE-2026-10722?

ebpf: upgrade to newer than 0.21.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-10722 being exploited?

CVE-2026-10722 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-10722 affect?

CVE-2026-10722 affects ebpf. Severity is low (CVSS 3.3). 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 int

Q: How urgent is CVE-2026-10722?

Priority 18/100. Public exploit reference

Routine

LOW 3.3UPGRADE

CVE-2026-10722 is a low-severity flaw (CVSS 3.3) affecting ebpf. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 93%)
CISA exploited list	No
Weakness	CWE-189, CWE-190
Published	2026-06-03
Last modified	2026-07-22

Publisher (CNA): VulDB · Vendor: cilium

Last updated 2026-07-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-03 13:16 UTCPublished CVE record published
2026-07-22 19:10 UTCUpdated Record last modified

cilium ebpf UPGRADE

Affected: <= 0.21.0

Fixed in: newer than 0.21.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ebpf || rpm -q ebpf || ebpf --version

2. UPGRADE to newer than 0.21.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ebpf

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ebpf

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Advisories and coverage

Official advisories

Amazon Linux 2 ALAS: ALAS2-2026-3903 (medium): nerdctl 2026-09-14

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-10722?

ebpf: upgrade to newer than 0.21.0. Exact commands for each OS are on this page.

Is CVE-2026-10722 being exploited?

CVE-2026-10722 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-10722 affect?

CVE-2026-10722 affects ebpf. Severity is low (CVSS 3.3). 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 int

How urgent is CVE-2026-10722?

Priority 18/100. Public exploit reference

References

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