# Bluetooth: eir: Fix OOB read in eir_get_service_data()

CVE record · `CVE-2026-89583`

- **Identifiers:** `CVE-2026-89583`
- **State:** Confirmed
- **Severity:** CVSS 8.1 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 11 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:44 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: `8f9ae5b3ae80f168a6224529e3787f4fb27f299a to before b6902adf81ea2ce14b1040dd97b6980050a8125a` (git)
  - affected: `8f9ae5b3ae80f168a6224529e3787f4fb27f299a to before 1a28aae7f1fc8c06c0d02f153541be4fc7bacb74` (git)
  - affected: `8f9ae5b3ae80f168a6224529e3787f4fb27f299a to before 815fc98c227a78cbd93d4c29f2833705b7c2bc0f` (git)
  - affected: `8f9ae5b3ae80f168a6224529e3787f4fb27f299a to before c21fa79301d7d6ac0a4ec6c51e8ba10beaa08c50` (git)
  - affected: `8f9ae5b3ae80f168a6224529e3787f4fb27f299a to before bb56e97bd67614238c1c0a4084704ccadbb875b4` (git)
  - affected: `8f9ae5b3ae80f168a6224529e3787f4fb27f299a to before 4beb198bc59b242404a47c21990bc84165052c8a` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.19`
  - unaffected: `before 5.19` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.109 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.50 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.4 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0027, the 19th percentile, on 14 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 11 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89583](https://www.cve.org/CVERecord?id=CVE-2026-89583)
- [NVD: CVE-2026-89583](https://nvd.nist.gov/vuln/detail/CVE-2026-89583)

### References from the CNA

- <https://git.kernel.org/stable/c/b6902adf81ea2ce14b1040dd97b6980050a8125a>
- <https://git.kernel.org/stable/c/1a28aae7f1fc8c06c0d02f153541be4fc7bacb74>
- <https://git.kernel.org/stable/c/815fc98c227a78cbd93d4c29f2833705b7c2bc0f>
- <https://git.kernel.org/stable/c/c21fa79301d7d6ac0a4ec6c51e8ba10beaa08c50>
- <https://git.kernel.org/stable/c/bb56e97bd67614238c1c0a4084704ccadbb875b4>
- <https://git.kernel.org/stable/c/4beb198bc59b242404a47c21990bc84165052c8a>

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-2026-89583>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89583/>. Everything for agents: <https://agentprime.io/llms.txt>.