# usb: gadget: uvc: fix dangling pointers in uvc_function_bind() and uvc_function_unbind()

CVE record · `CVE-2026-89733`

- **Identifiers:** `CVE-2026-89733`
- **State:** Confirmed
- **Severity:** CVSS 7.8 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, 19:46 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: `0f9df939385527049c8062a099fbfa1479fe7ce0 to before ddb1b0d5d858584ed0d3a5aaa042ee693998c7e2` (git)
  - affected: `0f9df939385527049c8062a099fbfa1479fe7ce0 to before 85dd5e8bd6776d02854f2847d83429f1f712e99c` (git)
  - affected: `0f9df939385527049c8062a099fbfa1479fe7ce0 to before 502a7f5b79b7ba751988789e982924f8f496129f` (git)
  - affected: `0f9df939385527049c8062a099fbfa1479fe7ce0 to before bec7708eb3b5295d12e931db24381b7c94c72953` (git)
  - affected: `0f9df939385527049c8062a099fbfa1479fe7ce0 to before 8e88ed8a374de67270d38689f2a81018909cafbb` (git)
  - affected: `0f9df939385527049c8062a099fbfa1479fe7ce0 to before 9897b7da8c0ad8356c1b8649379fcb5a689462cb` (git)
  - affected: `0f9df939385527049c8062a099fbfa1479fe7ce0 to before 38f822ddce9355893d734279a26ddec45182197e` (git)
  - affected: `0f9df939385527049c8062a099fbfa1479fe7ce0 to before bdab5605259ba5d6ff927c1a85cc83eb3ecfdacc` (git)
  - affected: `1efa8a5aac93d9e67075995d7d4902b57ce184f7` (git)
  - affected: `e7a4b0efe62e56a0acc81d16091c6efc2a282be8` (git)
  - affected: `065f5561a20659cf17aae5f72b32b5c2695c8e00` (git)
  - affected: `3.2.36 to before 3.3` (semver)
  - and 2 more
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.8`
  - unaffected: `before 3.8` (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: `6.12.109 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0017, the 6th 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-2026-89733](https://www.cve.org/CVERecord?id=CVE-2026-89733)
- [NVD: CVE-2026-89733](https://nvd.nist.gov/vuln/detail/CVE-2026-89733)

### References from the CNA

- <https://git.kernel.org/stable/c/ddb1b0d5d858584ed0d3a5aaa042ee693998c7e2>
- <https://git.kernel.org/stable/c/85dd5e8bd6776d02854f2847d83429f1f712e99c>
- <https://git.kernel.org/stable/c/502a7f5b79b7ba751988789e982924f8f496129f>
- <https://git.kernel.org/stable/c/bec7708eb3b5295d12e931db24381b7c94c72953>
- <https://git.kernel.org/stable/c/8e88ed8a374de67270d38689f2a81018909cafbb>
- <https://git.kernel.org/stable/c/9897b7da8c0ad8356c1b8649379fcb5a689462cb>
- <https://git.kernel.org/stable/c/38f822ddce9355893d734279a26ddec45182197e>
- <https://git.kernel.org/stable/c/bdab5605259ba5d6ff927c1a85cc83eb3ecfdacc>

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-2026-89733>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-89733/>. Everything for agents: <https://agentprime.io/llms.txt>.