# nexthop: Initialize extack in remove_nh_grp_entry()

CVE record · `CVE-2026-98031`

- **Identifiers:** `CVE-2026-98031`
- **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, 10:23 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: `833a1065eeb14437a9a0dfa9dad06ea09894e0b5 to before 35d9ec61466109ef0c2de87067338d929f629527` (git)
  - affected: `833a1065eeb14437a9a0dfa9dad06ea09894e0b5 to before 704319510af2179cf03955747d714ab291075c25` (git)
  - affected: `833a1065eeb14437a9a0dfa9dad06ea09894e0b5 to before 17acbcd4c5a6ca3dd3f9e52eb203c9175bde609a` (git)
  - affected: `833a1065eeb14437a9a0dfa9dad06ea09894e0b5 to before 030c878eaedf0449e2b5401a0a0146d0afcc645e` (git)
  - affected: `833a1065eeb14437a9a0dfa9dad06ea09894e0b5 to before d643cea4248668dc493c513aa7cbc6505eb1a4a9` (git)
  - affected: `833a1065eeb14437a9a0dfa9dad06ea09894e0b5 to before d80677ad7aa5bebfccfd58caa4852b65abe70561` (git)
  - affected: `833a1065eeb14437a9a0dfa9dad06ea09894e0b5 to before 5bd9e4e7cdaa03879e9b73b12ab52cceb1edd55b` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.11`
  - unaffected: `before 5.11` (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: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (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 12 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-2026-98031](https://www.cve.org/CVERecord?id=CVE-2026-98031)
- [NVD: CVE-2026-98031](https://nvd.nist.gov/vuln/detail/CVE-2026-98031)

### References from the CNA

- <https://git.kernel.org/stable/c/35d9ec61466109ef0c2de87067338d929f629527>
- <https://git.kernel.org/stable/c/704319510af2179cf03955747d714ab291075c25>
- <https://git.kernel.org/stable/c/17acbcd4c5a6ca3dd3f9e52eb203c9175bde609a>
- <https://git.kernel.org/stable/c/030c878eaedf0449e2b5401a0a0146d0afcc645e>
- <https://git.kernel.org/stable/c/d643cea4248668dc493c513aa7cbc6505eb1a4a9>
- <https://git.kernel.org/stable/c/d80677ad7aa5bebfccfd58caa4852b65abe70561>
- <https://git.kernel.org/stable/c/5bd9e4e7cdaa03879e9b73b12ab52cceb1edd55b>

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-2026-98031>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98031/>. Everything for agents: <https://agentprime.io/llms.txt>.
