# net: stmmac: fix dma mapping leak in stmmac_tso_xmit()

CVE record · `CVE-2026-98131`

- **Identifiers:** `CVE-2026-98131`
- **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:** 21 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:36 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: `f748be531d7012c456b97f66091d86b3675c5fef to before c5449b635362cb678d29d8f6ab54e65734d891ce` (git)
  - affected: `f748be531d7012c456b97f66091d86b3675c5fef to before 8a3257f142ae513d0c96d42f97386d4941bcec29` (git)
  - affected: `f748be531d7012c456b97f66091d86b3675c5fef to before e85adaac3dc6317cae902372c6849189ec62cf7d` (git)
  - affected: `f748be531d7012c456b97f66091d86b3675c5fef to before a5d946466a95621fa2769720d59ea336003aa1a5` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.7`
  - unaffected: `before 4.7` (semver)
  - unaffected: `6.12.114 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.57 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:** 0.0012, the 1st 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-2026-98131](https://www.cve.org/CVERecord?id=CVE-2026-98131)
- [NVD: CVE-2026-98131](https://nvd.nist.gov/vuln/detail/CVE-2026-98131)

### References from the CNA

- <https://git.kernel.org/stable/c/c5449b635362cb678d29d8f6ab54e65734d891ce>
- <https://git.kernel.org/stable/c/8a3257f142ae513d0c96d42f97386d4941bcec29>
- <https://git.kernel.org/stable/c/e85adaac3dc6317cae902372c6849189ec62cf7d>
- <https://git.kernel.org/stable/c/a5d946466a95621fa2769720d59ea336003aa1a5>

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-2026-98131>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98131/>. Everything for agents: <https://agentprime.io/llms.txt>.