# nfp: hold IPsec RX state under the XArray lock

CVE record · `CVE-2026-98561`

- **Identifiers:** `CVE-2026-98561`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:18 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: `57f273adbcd44172cbe0bd10b8b7408dd255699f to before c1b1639fb138db52fcfbd1747e92f2454076c6d5` (git)
  - affected: `57f273adbcd44172cbe0bd10b8b7408dd255699f to before dd765023bb54f9650f8b9137906fb2c4a554dd1d` (git)
  - affected: `57f273adbcd44172cbe0bd10b8b7408dd255699f to before 8468d05aa08dc430b5675beadf6f6fb8943f170b` (git)
  - affected: `57f273adbcd44172cbe0bd10b8b7408dd255699f to before fe6c8ea8bfd5d1253bb0de682b1fcc2c4bb92488` (git)
  - affected: `57f273adbcd44172cbe0bd10b8b7408dd255699f to before 1a983a4e14c635c40354be110cd9a1a5c94e01e6` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.2`
  - unaffected: `before 6.2` (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:** 0.0021, the 10th percentile, on 7 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 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98561](https://www.cve.org/CVERecord?id=CVE-2026-98561)
- [NVD: CVE-2026-98561](https://nvd.nist.gov/vuln/detail/CVE-2026-98561)

### References from the CNA

- <https://git.kernel.org/stable/c/c1b1639fb138db52fcfbd1747e92f2454076c6d5>
- <https://git.kernel.org/stable/c/dd765023bb54f9650f8b9137906fb2c4a554dd1d>
- <https://git.kernel.org/stable/c/8468d05aa08dc430b5675beadf6f6fb8943f170b>
- <https://git.kernel.org/stable/c/fe6c8ea8bfd5d1253bb0de682b1fcc2c4bb92488>
- <https://git.kernel.org/stable/c/1a983a4e14c635c40354be110cd9a1a5c94e01e6>

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-2026-98561>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98561/>. Everything for agents: <https://agentprime.io/llms.txt>.