# net: ip_tunnel: initialize \`options_len\` before referencing options

CVE record · `CVE-2026-98240`

- **Identifiers:** `CVE-2026-98240`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 6 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 6 Oct 2026, 08:45 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: `bb5e62f2d547c4de6d1b144cbce2373a76c33f18 to before 9907325257b4b382f26aafd5d9a8d47915907dd5` (git)
  - affected: `bb5e62f2d547c4de6d1b144cbce2373a76c33f18 to before 0f6a6beb01c068fcd5274eabf22c260039749fea` (git)
  - affected: `bb5e62f2d547c4de6d1b144cbce2373a76c33f18 to before 455ebeadf714f51e1dbbd6a022c74c9215b1cd76` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.15`
  - unaffected: `before 6.15` (semver)
  - unaffected: `6.18.54 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.8 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:** 0.0018, the 7th percentile, on 10 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 6 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98240](https://www.cve.org/CVERecord?id=CVE-2026-98240)
- [NVD: CVE-2026-98240](https://nvd.nist.gov/vuln/detail/CVE-2026-98240)

### References from the CNA

- <https://git.kernel.org/stable/c/9907325257b4b382f26aafd5d9a8d47915907dd5>
- <https://git.kernel.org/stable/c/0f6a6beb01c068fcd5274eabf22c260039749fea>
- <https://git.kernel.org/stable/c/455ebeadf714f51e1dbbd6a022c74c9215b1cd76>

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-2026-98240>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-98240/>. Everything for agents: <https://agentprime.io/llms.txt>.