# optee: register TEE devices only once fully initialized

CVE record · `CVE-2026-99024`

- **Identifiers:** `CVE-2026-99024`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 23 Oct 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:21 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: `4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 to before 8de131e1a2ab379641bb475f1bcb472a1a1d75df` (git)
  - affected: `4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 to before db36c37a2c3f13d5fd0f1afd8e2391d6c50793e6` (git)
  - affected: `4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 to before 6b21a716ccab7fa42e8dfa3118000bc5274004ab` (git)
  - affected: `4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 to before 262062c01f5a817104c88bf6eacb7c6ffdc7018d` (git)
  - affected: `4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 to before 8cae1605be8a047ae3a62df07b9474d61462c4f6` (git)
  - affected: `4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 to before 681adbc9c7a820279582a295e183fa6a1d1b4ec4` (git)
  - affected: `4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 to before 2f7240f0a6fd83df274fc0a2abf0609b4e6bd388` (git)
  - affected: `4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 to before c108feca0a096f8db25d1b69130035025e9e936d` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.12`
  - unaffected: `before 4.12` (semver)
  - unaffected: `5.10.273 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.224 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.113 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.57 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.11 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 6 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 23 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-99024](https://www.cve.org/CVERecord?id=CVE-2026-99024)
- [NVD: CVE-2026-99024](https://nvd.nist.gov/vuln/detail/CVE-2026-99024)

### References from the CNA

- <https://git.kernel.org/stable/c/8de131e1a2ab379641bb475f1bcb472a1a1d75df>
- <https://git.kernel.org/stable/c/db36c37a2c3f13d5fd0f1afd8e2391d6c50793e6>
- <https://git.kernel.org/stable/c/6b21a716ccab7fa42e8dfa3118000bc5274004ab>
- <https://git.kernel.org/stable/c/262062c01f5a817104c88bf6eacb7c6ffdc7018d>
- <https://git.kernel.org/stable/c/8cae1605be8a047ae3a62df07b9474d61462c4f6>
- <https://git.kernel.org/stable/c/681adbc9c7a820279582a295e183fa6a1d1b4ec4>
- <https://git.kernel.org/stable/c/2f7240f0a6fd83df274fc0a2abf0609b4e6bd388>
- <https://git.kernel.org/stable/c/c108feca0a096f8db25d1b69130035025e9e936d>

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-2026-99024>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99024/>. Everything for agents: <https://agentprime.io/llms.txt>.