# ipvs: do not propagate one-packet flag to synced conns

CVE record · `CVE-2026-80714`

- **Identifiers:** `CVE-2026-80714`
- **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:** 28 Aug 2026
- **Updated:** 16 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 28 Aug 2026, 06:53 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: `26ec037f9841e49cc5c615deb8e1e73e5beab2ca to before 06d1d9b56ef8132fbf85006885eb43d9510b8b02` (git)
  - affected: `26ec037f9841e49cc5c615deb8e1e73e5beab2ca to before acbdc276091b308ca7794acb86e761f8203e2f59` (git)
  - affected: `26ec037f9841e49cc5c615deb8e1e73e5beab2ca to before 300348e3ba1521b003d59825f97e24f9a6859688` (git)
  - affected: `26ec037f9841e49cc5c615deb8e1e73e5beab2ca to before 44af98cc7d5ef8e730488d5df1eecd5deeaa5947` (git)
  - affected: `26ec037f9841e49cc5c615deb8e1e73e5beab2ca to before 4649e6faeecdc2d44bfa6ccbe405eef27e55d816` (git)
  - affected: `26ec037f9841e49cc5c615deb8e1e73e5beab2ca to before b5ee5b266f833601ac4817f6df0bc496fc376a28` (git)
  - affected: `26ec037f9841e49cc5c615deb8e1e73e5beab2ca to before e7acfc990c29890c883d0d0ce3f737d003a43b44` (git)
  - affected: `26ec037f9841e49cc5c615deb8e1e73e5beab2ca to before a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.36`
  - unaffected: `before 2.6.36` (semver)
  - unaffected: `5.10.265 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.216 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.183 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.151 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.103 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.44 to 6.18.*, inclusive` (semver)
  - unaffected: `7.1.8 to 7.1.*, inclusive` (semver)
  - unaffected: `7.2 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:** 0.0048, the 41st 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 28 Aug 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-80714](https://www.cve.org/CVERecord?id=CVE-2026-80714)
- [NVD: CVE-2026-80714](https://nvd.nist.gov/vuln/detail/CVE-2026-80714)

### References from the CNA

- <https://git.kernel.org/stable/c/06d1d9b56ef8132fbf85006885eb43d9510b8b02>
- <https://git.kernel.org/stable/c/acbdc276091b308ca7794acb86e761f8203e2f59>
- <https://git.kernel.org/stable/c/300348e3ba1521b003d59825f97e24f9a6859688>
- <https://git.kernel.org/stable/c/44af98cc7d5ef8e730488d5df1eecd5deeaa5947>
- <https://git.kernel.org/stable/c/4649e6faeecdc2d44bfa6ccbe405eef27e55d816>
- <https://git.kernel.org/stable/c/b5ee5b266f833601ac4817f6df0bc496fc376a28>
- <https://git.kernel.org/stable/c/e7acfc990c29890c883d0d0ce3f737d003a43b44>
- <https://git.kernel.org/stable/c/a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b>

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-2026-80714>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-80714/>. Everything for agents: <https://agentprime.io/llms.txt>.
