# firmware: coreboot: Validate table bounds

CVE record · `CVE-2026-90341`

- **Identifiers:** `CVE-2026-90341`
- **State:** Confirmed
- **Severity:** CVSS 7.7 High
- **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, 16:08 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: `d384d6f43d1ec3f1225ab0275fd592c5980bd830 to before 3cca0d6dd4c2636d2514234233cb02db76621607` (git)
  - affected: `d384d6f43d1ec3f1225ab0275fd592c5980bd830 to before f79f621215a0944c4a0e1b3b86b99e433ae8c527` (git)
  - affected: `d384d6f43d1ec3f1225ab0275fd592c5980bd830 to before d848fac90c6f0566e7b93066b0b86024f65f395e` (git)
  - affected: `d384d6f43d1ec3f1225ab0275fd592c5980bd830 to before 88027241c1d2c3213bac937a1c2cb89a5775a413` (git)
  - affected: `d384d6f43d1ec3f1225ab0275fd592c5980bd830 to before fd93859ecfa5b6495a6863c18fd923a7666def26` (git)
  - affected: `d384d6f43d1ec3f1225ab0275fd592c5980bd830 to before 2d98a3b89394f283f054a4a54587c14ee89acaf9` (git)
  - affected: `d384d6f43d1ec3f1225ab0275fd592c5980bd830 to before e82f260a74dea8cdd7857f2cc66f73d0da522bb3` (git)
  - affected: `d384d6f43d1ec3f1225ab0275fd592c5980bd830 to before a58a57a1076f8c5dae0327e3710899478c3be901` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.12`
  - unaffected: `before 4.12` (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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0019, the 8th 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-2026-90341](https://www.cve.org/CVERecord?id=CVE-2026-90341)
- [NVD: CVE-2026-90341](https://nvd.nist.gov/vuln/detail/CVE-2026-90341)

### References from the CNA

- <https://git.kernel.org/stable/c/3cca0d6dd4c2636d2514234233cb02db76621607>
- <https://git.kernel.org/stable/c/f79f621215a0944c4a0e1b3b86b99e433ae8c527>
- <https://git.kernel.org/stable/c/d848fac90c6f0566e7b93066b0b86024f65f395e>
- <https://git.kernel.org/stable/c/88027241c1d2c3213bac937a1c2cb89a5775a413>
- <https://git.kernel.org/stable/c/fd93859ecfa5b6495a6863c18fd923a7666def26>
- <https://git.kernel.org/stable/c/2d98a3b89394f283f054a4a54587c14ee89acaf9>
- <https://git.kernel.org/stable/c/e82f260a74dea8cdd7857f2cc66f73d0da522bb3>
- <https://git.kernel.org/stable/c/a58a57a1076f8c5dae0327e3710899478c3be901>

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-2026-90341>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90341/>. Everything for agents: <https://agentprime.io/llms.txt>.