# media: airspy: use vb2_video_unregister_device() on disconnect to fix NULL deref

CVE record · `CVE-2026-89901`

- **Identifiers:** `CVE-2026-89901`
- **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, 10:32 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: `634fe5033951b80ef4b98d8f047cb1083d29170d to before c9081e2655188d2d134a741aec837dc70439d505` (git)
  - affected: `634fe5033951b80ef4b98d8f047cb1083d29170d to before 75089cea32e5055773bd13116236d08fdc98678a` (git)
  - affected: `634fe5033951b80ef4b98d8f047cb1083d29170d to before 155d0378ae0d6305cc4840583a6b42d2d0595bff` (git)
  - affected: `634fe5033951b80ef4b98d8f047cb1083d29170d to before 6e4ea90fdc6608cd5fac342e146ab6ae15d430bc` (git)
  - affected: `634fe5033951b80ef4b98d8f047cb1083d29170d to before a9a8c37ddda9fa3687b142be9098e1c37b8faf35` (git)
  - affected: `634fe5033951b80ef4b98d8f047cb1083d29170d to before 297fee023f46d771a844520675692ea089d80d9d` (git)
  - affected: `634fe5033951b80ef4b98d8f047cb1083d29170d to before c6749ac8f59cc80eb1b2d52f167fdf13e12655cc` (git)
  - affected: `634fe5033951b80ef4b98d8f047cb1083d29170d to before 2f378dc45e685fc825d2dd08e7864666d6fcc009` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.17`
  - unaffected: `before 3.17` (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-2026-89901](https://www.cve.org/CVERecord?id=CVE-2026-89901)
- [NVD: CVE-2026-89901](https://nvd.nist.gov/vuln/detail/CVE-2026-89901)

### References from the CNA

- <https://git.kernel.org/stable/c/c9081e2655188d2d134a741aec837dc70439d505>
- <https://git.kernel.org/stable/c/75089cea32e5055773bd13116236d08fdc98678a>
- <https://git.kernel.org/stable/c/155d0378ae0d6305cc4840583a6b42d2d0595bff>
- <https://git.kernel.org/stable/c/6e4ea90fdc6608cd5fac342e146ab6ae15d430bc>
- <https://git.kernel.org/stable/c/a9a8c37ddda9fa3687b142be9098e1c37b8faf35>
- <https://git.kernel.org/stable/c/297fee023f46d771a844520675692ea089d80d9d>
- <https://git.kernel.org/stable/c/c6749ac8f59cc80eb1b2d52f167fdf13e12655cc>
- <https://git.kernel.org/stable/c/2f378dc45e685fc825d2dd08e7864666d6fcc009>

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-2026-89901>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89901/>. Everything for agents: <https://agentprime.io/llms.txt>.