# mmc: sdio_uart: fix xmit_fifo leak when the port table is full

CVE record · `CVE-2026-98208`

- **Identifiers:** `CVE-2026-98208`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 6 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 6 Oct 2026, 08:44 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: `8b197a5ce7a7218bb9fc721647ba0d5734f27348 to before 9e992d59138fcfaa4bad7cc0750265b0a8bca100` (git)
  - affected: `8b197a5ce7a7218bb9fc721647ba0d5734f27348 to before b97b5b66c93cb4aaf6358727a73fff880a774dfd` (git)
  - affected: `8b197a5ce7a7218bb9fc721647ba0d5734f27348 to before 8a2c1bf209ba04cbd14153a771724bd5aa522fcd` (git)
  - affected: `8b197a5ce7a7218bb9fc721647ba0d5734f27348 to before 72f4c2b7a48423c708f2c348585419a1b71ab04c` (git)
  - affected: `8b197a5ce7a7218bb9fc721647ba0d5734f27348 to before fd8223c53ad9553b2a349d2a40e19bbc6e60fc48` (git)
  - affected: `8b197a5ce7a7218bb9fc721647ba0d5734f27348 to before ac866db277a4c73e84b4263773652e3aba326249` (git)
  - affected: `8b197a5ce7a7218bb9fc721647ba0d5734f27348 to before 5e142adbbdc54afbd01fad476c91cded41d22594` (git)
  - affected: `8b197a5ce7a7218bb9fc721647ba0d5734f27348 to before 53823e25793a97d07e6e98e0904bbf74cac8bc76` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.34`
  - unaffected: `before 2.6.34` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (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: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.54 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.8 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:** 0.0018, the 7th percentile, on 10 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 6 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98208](https://www.cve.org/CVERecord?id=CVE-2026-98208)
- [NVD: CVE-2026-98208](https://nvd.nist.gov/vuln/detail/CVE-2026-98208)

### References from the CNA

- <https://git.kernel.org/stable/c/9e992d59138fcfaa4bad7cc0750265b0a8bca100>
- <https://git.kernel.org/stable/c/b97b5b66c93cb4aaf6358727a73fff880a774dfd>
- <https://git.kernel.org/stable/c/8a2c1bf209ba04cbd14153a771724bd5aa522fcd>
- <https://git.kernel.org/stable/c/72f4c2b7a48423c708f2c348585419a1b71ab04c>
- <https://git.kernel.org/stable/c/fd8223c53ad9553b2a349d2a40e19bbc6e60fc48>
- <https://git.kernel.org/stable/c/ac866db277a4c73e84b4263773652e3aba326249>
- <https://git.kernel.org/stable/c/5e142adbbdc54afbd01fad476c91cded41d22594>
- <https://git.kernel.org/stable/c/53823e25793a97d07e6e98e0904bbf74cac8bc76>

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-2026-98208>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98208/>. Everything for agents: <https://agentprime.io/llms.txt>.