# netfilter: ip6t_rpfilter: reject routes without inet6_dev

CVE record · `CVE-2026-98379`

- **Identifiers:** `CVE-2026-98379`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 9 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 9 Oct 2026, 07:34 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: `e26f9a480fb6c1b614660e824d69a74e2ce990f3 to before f4de78756b0fddbd125b2b1b77c74f2eccc8e977` (git)
  - affected: `e26f9a480fb6c1b614660e824d69a74e2ce990f3 to before 1681ab6dd1271f2f36047490793b78b1848bbcc9` (git)
  - affected: `e26f9a480fb6c1b614660e824d69a74e2ce990f3 to before 65487e9e99431ffcf05024a817f51ee4e3bd9b47` (git)
  - affected: `e26f9a480fb6c1b614660e824d69a74e2ce990f3 to before f49da48bd679cfee646d6a40dd02b1933de577d1` (git)
  - affected: `e26f9a480fb6c1b614660e824d69a74e2ce990f3 to before 290c96e5d9471d1ded9ab1e8ffbb04f6ee7b0f40` (git)
  - affected: `e26f9a480fb6c1b614660e824d69a74e2ce990f3 to before eafe081ea77d25b5c8e601680671b4ecb4520e7d` (git)
  - affected: `e26f9a480fb6c1b614660e824d69a74e2ce990f3 to before 3a7384bc2e66217c9a01a392281334f4423740a0` (git)
  - affected: `e26f9a480fb6c1b614660e824d69a74e2ce990f3 to before 1b9b5323725e458906c7620a3bc10398b51ad954` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.3`
  - unaffected: `before 3.3` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.222 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.55 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.9 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 8 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 9 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98379](https://www.cve.org/CVERecord?id=CVE-2026-98379)
- [NVD: CVE-2026-98379](https://nvd.nist.gov/vuln/detail/CVE-2026-98379)

### References from the CNA

- <https://git.kernel.org/stable/c/f4de78756b0fddbd125b2b1b77c74f2eccc8e977>
- <https://git.kernel.org/stable/c/1681ab6dd1271f2f36047490793b78b1848bbcc9>
- <https://git.kernel.org/stable/c/65487e9e99431ffcf05024a817f51ee4e3bd9b47>
- <https://git.kernel.org/stable/c/f49da48bd679cfee646d6a40dd02b1933de577d1>
- <https://git.kernel.org/stable/c/290c96e5d9471d1ded9ab1e8ffbb04f6ee7b0f40>
- <https://git.kernel.org/stable/c/eafe081ea77d25b5c8e601680671b4ecb4520e7d>
- <https://git.kernel.org/stable/c/3a7384bc2e66217c9a01a392281334f4423740a0>
- <https://git.kernel.org/stable/c/1b9b5323725e458906c7620a3bc10398b51ad954>

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-2026-98379>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98379/>. Everything for agents: <https://agentprime.io/llms.txt>.