# netfilter: nft_inner: Fix IPv6 inner_thoff desync

CVE record · `CVE-2026-46244`

- **Identifiers:** `CVE-2026-46244`
- **State:** Confirmed
- **Severity:** CVSS 9.1 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** Linux
- **Weakness (CWE):** [CWE-682](https://cwe.mitre.org/data/definitions/682.html) · [CWE-823](https://cwe.mitre.org/data/definitions/823.html)
- **Tags:** [CWE-682](https://agentprime.io/advisories/tag/cwe-682.md) · [CWE-823](https://agentprime.io/advisories/tag/cwe-823.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 3 Jun 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 3 Jun 2026, 15:48 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.

## Critical

Critical, because:

- CVSS score 9.1: 9.0 or more.

How we decide what’s critical: <https://agentprime.io/advisories/critical.md>

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `3a07327d10a09379315c844c63f27941f5081e0a to before c161ad9157f5a0429b5ff94d9770faf3bf48d273` (git)
  - affected: `3a07327d10a09379315c844c63f27941f5081e0a to before 870d59e2cf218e7418491e26bad768cb16654582` (git)
  - affected: `3a07327d10a09379315c844c63f27941f5081e0a to before 689bbf48c1f45130086ae1c46ab83ea4c753c601` (git)
  - affected: `3a07327d10a09379315c844c63f27941f5081e0a to before d0f98a3617f6ae5b1e95cde1e68e7ead4a1279ce` (git)
  - affected: `3a07327d10a09379315c844c63f27941f5081e0a to before b6a91f68ebfed9c38e0e9150f58a9b85da07181c` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.2`
  - unaffected: `before 6.2` (semver)
  - unaffected: `6.6.142 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.92 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.34 to 6.18.*, inclusive` (semver)
  - unaffected: `7.0.11 to 7.0.*, inclusive` (semver)
  - unaffected: `7.1 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

- 9.1 Critical, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N`, from CNA (Linux) (used for this record)
- 7.3 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H`, from ADP (redhat-SADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0042, the 36th percentile, on 5 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 3 Jun 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-46244](https://www.cve.org/CVERecord?id=CVE-2026-46244)
- [NVD: CVE-2026-46244](https://nvd.nist.gov/vuln/detail/CVE-2026-46244)

### References from the CNA

- <https://git.kernel.org/stable/c/c161ad9157f5a0429b5ff94d9770faf3bf48d273>
- <https://git.kernel.org/stable/c/870d59e2cf218e7418491e26bad768cb16654582>
- <https://git.kernel.org/stable/c/689bbf48c1f45130086ae1c46ab83ea4c753c601>
- <https://git.kernel.org/stable/c/d0f98a3617f6ae5b1e95cde1e68e7ead4a1279ce>
- <https://git.kernel.org/stable/c/b6a91f68ebfed9c38e0e9150f58a9b85da07181c>

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-2026-46244>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-46244/>. Everything for agents: <https://agentprime.io/llms.txt>.