# usb: typec: ucsi: displayport: Fix OOB altmode array index

CVE record · `CVE-2026-90025`

- **Identifiers:** `CVE-2026-90025`
- **State:** Confirmed
- **Severity:** CVSS 7.7 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 16 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:33 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: `af8622f6a585d8d82b11cd7987e082861fd0edd3 to before 8fde7e4a366184e9a6aa95541e52933a73c00a74` (git)
  - affected: `af8622f6a585d8d82b11cd7987e082861fd0edd3 to before 83f1abd62cc134700ba92e1e2dc650a49a185497` (git)
  - affected: `af8622f6a585d8d82b11cd7987e082861fd0edd3 to before 1ffed96ef986e2cdf986aa4a4506a5e6dcdf4456` (git)
  - affected: `af8622f6a585d8d82b11cd7987e082861fd0edd3 to before 58e0ee293ec5e06cacbe3953ad44042f1473dae9` (git)
  - affected: `af8622f6a585d8d82b11cd7987e082861fd0edd3 to before ac9f878c468052af6571e8639ab1c3ae040b908f` (git)
  - affected: `af8622f6a585d8d82b11cd7987e082861fd0edd3 to before 33a81acd2d1d0667d4eff93cb90339fa53e617e8` (git)
  - affected: `af8622f6a585d8d82b11cd7987e082861fd0edd3 to before bdaaf3074aedce8f1b173cc363d61cff5f6a585f` (git)
  - affected: `af8622f6a585d8d82b11cd7987e082861fd0edd3 to before 04cec690b1fd9d1c4c314b91a10d8c68a3acfe18` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.2`
  - unaffected: `before 5.2` (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: `6.18.51 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.5 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:** 0.0017, the 6th 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 16 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90025](https://www.cve.org/CVERecord?id=CVE-2026-90025)
- [NVD: CVE-2026-90025](https://nvd.nist.gov/vuln/detail/CVE-2026-90025)

### References from the CNA

- <https://git.kernel.org/stable/c/8fde7e4a366184e9a6aa95541e52933a73c00a74>
- <https://git.kernel.org/stable/c/83f1abd62cc134700ba92e1e2dc650a49a185497>
- <https://git.kernel.org/stable/c/1ffed96ef986e2cdf986aa4a4506a5e6dcdf4456>
- <https://git.kernel.org/stable/c/58e0ee293ec5e06cacbe3953ad44042f1473dae9>
- <https://git.kernel.org/stable/c/ac9f878c468052af6571e8639ab1c3ae040b908f>
- <https://git.kernel.org/stable/c/33a81acd2d1d0667d4eff93cb90339fa53e617e8>
- <https://git.kernel.org/stable/c/bdaaf3074aedce8f1b173cc363d61cff5f6a585f>
- <https://git.kernel.org/stable/c/04cec690b1fd9d1c4c314b91a10d8c68a3acfe18>

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-2026-90025>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90025/>. Everything for agents: <https://agentprime.io/llms.txt>.