# ipv4: stop exception dump when nexthop group shrinks

CVE record · `CVE-2026-99073`

- **Identifiers:** `CVE-2026-99073`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 23 Oct 2026
- **Updated:** 23 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:23 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: `4ce5dc9316de50e0da84beafe55d1344f829cece to before f91e472821e32f58b03eb631e20a67157e2b928b` (git)
  - affected: `4ce5dc9316de50e0da84beafe55d1344f829cece to before 21cba134c30c17ae55f468b5809336437df5d7e6` (git)
  - affected: `4ce5dc9316de50e0da84beafe55d1344f829cece to before b9a30bb7b831e8c5a47fadbdf1760918aaf009cc` (git)
  - affected: `4ce5dc9316de50e0da84beafe55d1344f829cece to before 4f4afc07dcb2edd4f9afa36595373f8cdb9b58c2` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.9`
  - unaffected: `before 6.9` (semver)
  - unaffected: `6.12.113 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.57 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.11 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:** 0.0016, the 4th percentile, on 6 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 23 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-99073](https://www.cve.org/CVERecord?id=CVE-2026-99073)
- [NVD: CVE-2026-99073](https://nvd.nist.gov/vuln/detail/CVE-2026-99073)

### References from the CNA

- <https://git.kernel.org/stable/c/f91e472821e32f58b03eb631e20a67157e2b928b>
- <https://git.kernel.org/stable/c/21cba134c30c17ae55f468b5809336437df5d7e6>
- <https://git.kernel.org/stable/c/b9a30bb7b831e8c5a47fadbdf1760918aaf009cc>
- <https://git.kernel.org/stable/c/4f4afc07dcb2edd4f9afa36595373f8cdb9b58c2>

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-2026-99073>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99073/>. Everything for agents: <https://agentprime.io/llms.txt>.