# net: stmmac: fix TX descriptor availability check for TSO traffic

CVE record · `CVE-2026-97953`

- **Identifiers:** `CVE-2026-97953`
- **State:** Confirmed
- **Severity:** CVSS 7.0 High
- **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, 10:23 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: `f748be531d7012c456b97f66091d86b3675c5fef to before 09c30547da2c45bb79f7d3adffc860af332c2d42` (git)
  - affected: `f748be531d7012c456b97f66091d86b3675c5fef to before ffa6d2481bc1c87f822ecd626561484e4ee24cef` (git)
  - affected: `f748be531d7012c456b97f66091d86b3675c5fef to before c28175220f808c867d5618de8ecc6dbcc815c773` (git)
  - affected: `f748be531d7012c456b97f66091d86b3675c5fef to before 65820fc743eae322f7f94f6a64d07861211d4b21` (git)
  - affected: `f748be531d7012c456b97f66091d86b3675c5fef to before 5e38d732ec67a5b1f9a56e6c73add480c4b6030a` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.7`
  - unaffected: `before 4.7` (semver)
  - unaffected: `6.6.160 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0040, the 35th percentile, on 12 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-2026-97953](https://www.cve.org/CVERecord?id=CVE-2026-97953)
- [NVD: CVE-2026-97953](https://nvd.nist.gov/vuln/detail/CVE-2026-97953)

### References from the CNA

- <https://git.kernel.org/stable/c/09c30547da2c45bb79f7d3adffc860af332c2d42>
- <https://git.kernel.org/stable/c/ffa6d2481bc1c87f822ecd626561484e4ee24cef>
- <https://git.kernel.org/stable/c/c28175220f808c867d5618de8ecc6dbcc815c773>
- <https://git.kernel.org/stable/c/65820fc743eae322f7f94f6a64d07861211d4b21>
- <https://git.kernel.org/stable/c/5e38d732ec67a5b1f9a56e6c73add480c4b6030a>

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-2026-97953>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97953/>. Everything for agents: <https://agentprime.io/llms.txt>.