# net: gro: properly validate BIG TCP aggregation criteria

CVE record · `CVE-2026-80725`

- **Identifiers:** `CVE-2026-80725`
- **State:** Confirmed
- **Severity:** CVSS 9.8 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 29 Aug 2026
- **Updated:** 16 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 29 Aug 2026, 06:39 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 9.8: 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: `0fe79f28bfaf73b66b7b1562d2468f94aa03bd12 to before 37a5dcd6837fc2afc44a7bc3ed8af4e983783d46` (git)
  - affected: `0fe79f28bfaf73b66b7b1562d2468f94aa03bd12 to before e907bf694ed55bdfe421be99dba35751a655df25` (git)
  - affected: `0fe79f28bfaf73b66b7b1562d2468f94aa03bd12 to before 03cb8cc2961f5f781d12e903782cb3815ed84b1c` (git)
  - affected: `0fe79f28bfaf73b66b7b1562d2468f94aa03bd12 to before 3ce832e2bd431d0c12ba525ed73ad8fbc4191da5` (git)
  - affected: `0fe79f28bfaf73b66b7b1562d2468f94aa03bd12 to before 81be30c1f5f2bffda1f04c0efd0746af10b9643a` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.19`
  - unaffected: `before 5.19` (semver)
  - unaffected: `6.1.185 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.154 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.106 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.47 to 6.18.*, inclusive` (semver)
  - unaffected: `7.0 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

- 9.8 Critical, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0046, the 40th percentile, on 15 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 29 Aug 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-80725](https://www.cve.org/CVERecord?id=CVE-2026-80725)
- [NVD: CVE-2026-80725](https://nvd.nist.gov/vuln/detail/CVE-2026-80725)

### References from the CNA

- <https://git.kernel.org/stable/c/37a5dcd6837fc2afc44a7bc3ed8af4e983783d46>
- <https://git.kernel.org/stable/c/e907bf694ed55bdfe421be99dba35751a655df25>
- <https://git.kernel.org/stable/c/03cb8cc2961f5f781d12e903782cb3815ed84b1c>
- <https://git.kernel.org/stable/c/3ce832e2bd431d0c12ba525ed73ad8fbc4191da5>
- <https://git.kernel.org/stable/c/81be30c1f5f2bffda1f04c0efd0746af10b9643a>

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-2026-80725>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-80725/>. Everything for agents: <https://agentprime.io/llms.txt>.