# media: em28xx: defer audio-only extension registration

CVE record · `CVE-2026-89892`

- **Identifiers:** `CVE-2026-89892`
- **State:** Confirmed
- **Severity:** No CVSS score
- **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, 10:31 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: `4a089668ef22c295ed4997289cc48446c849249c to before 0da1e627f4fc9d0e947fdae90913042120878923` (git)
  - affected: `4a089668ef22c295ed4997289cc48446c849249c to before f8d7e77d9c621b42a191c67a9b37bec23dc1d555` (git)
  - affected: `4a089668ef22c295ed4997289cc48446c849249c to before 1abe9524dec0fd26e9ceb8d586034d6f68dd8273` (git)
  - affected: `4a089668ef22c295ed4997289cc48446c849249c to before 4e11c45dfdc72ab656067b1df8fcebaf52fd4715` (git)
  - affected: `4a089668ef22c295ed4997289cc48446c849249c to before d06067ee32620f272cfb80c7bc7c572ad4e74724` (git)
  - affected: `4a089668ef22c295ed4997289cc48446c849249c to before f9322ac9f862961d7f377b87ec26c8565af7e073` (git)
  - affected: `4a089668ef22c295ed4997289cc48446c849249c to before 4666197ca4f7d80cd3b0292054fe45d76be9ba04` (git)
  - affected: `4a089668ef22c295ed4997289cc48446c849249c to before 95f76f51937fdfb0fc1e14cae606b1ef574a56f3` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.17`
  - unaffected: `before 4.17` (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

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0022, the 12th percentile, on 15 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-2026-89892](https://www.cve.org/CVERecord?id=CVE-2026-89892)
- [NVD: CVE-2026-89892](https://nvd.nist.gov/vuln/detail/CVE-2026-89892)

### References from the CNA

- <https://git.kernel.org/stable/c/0da1e627f4fc9d0e947fdae90913042120878923>
- <https://git.kernel.org/stable/c/f8d7e77d9c621b42a191c67a9b37bec23dc1d555>
- <https://git.kernel.org/stable/c/1abe9524dec0fd26e9ceb8d586034d6f68dd8273>
- <https://git.kernel.org/stable/c/4e11c45dfdc72ab656067b1df8fcebaf52fd4715>
- <https://git.kernel.org/stable/c/d06067ee32620f272cfb80c7bc7c572ad4e74724>
- <https://git.kernel.org/stable/c/f9322ac9f862961d7f377b87ec26c8565af7e073>
- <https://git.kernel.org/stable/c/4666197ca4f7d80cd3b0292054fe45d76be9ba04>
- <https://git.kernel.org/stable/c/95f76f51937fdfb0fc1e14cae606b1ef574a56f3>

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-2026-89892>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89892/>. Everything for agents: <https://agentprime.io/llms.txt>.