# net/mlx5: E-Switch, prevent mc_list repopulation during vport disable

CVE record · `CVE-2026-98014`

- **Identifiers:** `CVE-2026-98014`
- **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: `4df1f2d36bdc9a368650bf14b9097c555e95f71d to before 413e04adcc1fd263cf02b1b83b4a0dbdc66bcee9` (git)
  - affected: `63546395a0e6ac264f78f65218086ce6014b4494 to before 2196f9d3358b00fcb28835a5fde14071f51ecb96` (git)
  - affected: `922f56e9a795d6f3dd72d3428ebdd7ee040fa855 to before 5a2b87dfceccf9065157a14a599d395c2b6281b8` (git)
  - affected: `922f56e9a795d6f3dd72d3428ebdd7ee040fa855 to before 69904608e25e8ba58111aadd9210892cf3876201` (git)
  - affected: `922f56e9a795d6f3dd72d3428ebdd7ee040fa855 to before 72cfcb79026cffb6490f5044153a841d360b0cfc` (git)
  - affected: `922f56e9a795d6f3dd72d3428ebdd7ee040fa855 to before 668e050429c7ca688cf4e7112f97f0cd269d446b` (git)
  - affected: `922f56e9a795d6f3dd72d3428ebdd7ee040fa855 to before c0c6f4ba8a37688f7b4d4044898d88f0450d44c2` (git)
  - affected: `18cead61e437f4c7898acca0a5f3df12f801d97f` (git)
  - affected: `6f5780536181d1d0d09a11a1bc92f22e143447e2` (git)
  - affected: `5.15.105 to before 5.15.222` (semver)
  - affected: `6.1.22 to before 6.1.189` (semver)
  - affected: `5.10.177 to before 5.11` (semver)
  - and 1 more
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.3`
  - unaffected: `before 6.3` (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 11 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-2026-98014](https://www.cve.org/CVERecord?id=CVE-2026-98014)
- [NVD: CVE-2026-98014](https://nvd.nist.gov/vuln/detail/CVE-2026-98014)

### References from the CNA

- <https://git.kernel.org/stable/c/413e04adcc1fd263cf02b1b83b4a0dbdc66bcee9>
- <https://git.kernel.org/stable/c/2196f9d3358b00fcb28835a5fde14071f51ecb96>
- <https://git.kernel.org/stable/c/5a2b87dfceccf9065157a14a599d395c2b6281b8>
- <https://git.kernel.org/stable/c/69904608e25e8ba58111aadd9210892cf3876201>
- <https://git.kernel.org/stable/c/72cfcb79026cffb6490f5044153a841d360b0cfc>
- <https://git.kernel.org/stable/c/668e050429c7ca688cf4e7112f97f0cd269d446b>
- <https://git.kernel.org/stable/c/c0c6f4ba8a37688f7b4d4044898d88f0450d44c2>

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-2026-98014>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98014/>. Everything for agents: <https://agentprime.io/llms.txt>.