# bpf: Reject key-less BTF for hash maps

CVE record · `CVE-2026-98065`

- **Identifiers:** `CVE-2026-98065`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 25 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:24 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `451a84a3ad3c897c03181af433e7c98640730f1f to before 54098e3fe34ec190bc256b338b9a93c7e2dc9354` (git)
  - affected: `51a17f0ce19c4ee2a25cf16c93490d509b1ebb0a to before fa047f2a025003f5654ebd76539f16a6ead0401a` (git)
  - affected: `1df97a7453eec80c1912c2d0360290a3970a7671 to before 7ca231252820c47aaec42a5db580db98f9b64724` (git)
  - affected: `1df97a7453eec80c1912c2d0360290a3970a7671 to before 0895a0c0734703be5532f3883c42db95615fd98b` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `7.0`
  - unaffected: `before 7.0` (semver)
  - unaffected: `7.2.7 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0017, the 6th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 25 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98065](https://www.cve.org/CVERecord?id=CVE-2026-98065)
- [NVD: CVE-2026-98065](https://nvd.nist.gov/vuln/detail/CVE-2026-98065)

### References from the CNA

- <https://git.kernel.org/stable/c/54098e3fe34ec190bc256b338b9a93c7e2dc9354>
- <https://git.kernel.org/stable/c/fa047f2a025003f5654ebd76539f16a6ead0401a>
- <https://git.kernel.org/stable/c/7ca231252820c47aaec42a5db580db98f9b64724>
- <https://git.kernel.org/stable/c/0895a0c0734703be5532f3883c42db95615fd98b>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-98065>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98065/>. Everything for agents: <https://agentprime.io/llms.txt>.