# RDMA/cxgb4: free STAG index when TPT entry write fails

CVE record · `CVE-2026-90415`

- **Identifiers:** `CVE-2026-90415`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:09 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: `ec3eead217181d7360a11317a888ceb30807867c to before 5fe4731bfbd8d83c4a14b4af3a27329969ce8a99` (git)
  - affected: `ec3eead217181d7360a11317a888ceb30807867c to before 8f6976d635d190e3d7af7103daaa581cf1ccc12e` (git)
  - affected: `ec3eead217181d7360a11317a888ceb30807867c to before 9eeafcda1d6c11f0eec532243c4e96ec8c632bd7` (git)
  - affected: `ec3eead217181d7360a11317a888ceb30807867c to before 5a21e5114cec4cd3f8a2843d4c46bc49634d6e96` (git)
  - affected: `ec3eead217181d7360a11317a888ceb30807867c to before 2f17ca7ab5269ac2504e1039c3921373dccd7712` (git)
  - affected: `ec3eead217181d7360a11317a888ceb30807867c to before a2e37d1ab773be3cd26b1c19593ca2dbcece9c57` (git)
  - affected: `ec3eead217181d7360a11317a888ceb30807867c to before a64e2beb450179a5d43034af8d5476a11eac1486` (git)
  - affected: `ec3eead217181d7360a11317a888ceb30807867c to before fdfb5cea4bf070cdb31d997efd87bb684df041fd` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.5`
  - unaffected: `before 3.5` (semver)
  - unaffected: `5.10.270 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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 13 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90415](https://www.cve.org/CVERecord?id=CVE-2026-90415)
- [NVD: CVE-2026-90415](https://nvd.nist.gov/vuln/detail/CVE-2026-90415)

### References from the CNA

- <https://git.kernel.org/stable/c/5fe4731bfbd8d83c4a14b4af3a27329969ce8a99>
- <https://git.kernel.org/stable/c/8f6976d635d190e3d7af7103daaa581cf1ccc12e>
- <https://git.kernel.org/stable/c/9eeafcda1d6c11f0eec532243c4e96ec8c632bd7>
- <https://git.kernel.org/stable/c/5a21e5114cec4cd3f8a2843d4c46bc49634d6e96>
- <https://git.kernel.org/stable/c/2f17ca7ab5269ac2504e1039c3921373dccd7712>
- <https://git.kernel.org/stable/c/a2e37d1ab773be3cd26b1c19593ca2dbcece9c57>
- <https://git.kernel.org/stable/c/a64e2beb450179a5d43034af8d5476a11eac1486>
- <https://git.kernel.org/stable/c/fdfb5cea4bf070cdb31d997efd87bb684df041fd>

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-2026-90415>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90415/>. Everything for agents: <https://agentprime.io/llms.txt>.