# usb: gadget: f_fs: Prevent deadlock during ep0 read loop

CVE record · `CVE-2026-89732`

- **Identifiers:** `CVE-2026-89732`
- **State:** Confirmed
- **Severity:** No CVSS score
- **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: `ddf8abd2599491cbad959c700b90ba72a5dce8d0 to before fbe3db4b650c284df8eb4cb68eebcf270cf861b5` (git)
  - affected: `ddf8abd2599491cbad959c700b90ba72a5dce8d0 to before 30430509c156e1df2bdafd5f1cadb160e53db5d6` (git)
  - affected: `ddf8abd2599491cbad959c700b90ba72a5dce8d0 to before bafddd0f20b5228760be303aa69c58502e92309c` (git)
  - affected: `ddf8abd2599491cbad959c700b90ba72a5dce8d0 to before b0a6bfac0c3c3edf5b2ecaee87a09234601fe78d` (git)
  - affected: `ddf8abd2599491cbad959c700b90ba72a5dce8d0 to before fd20cc68bbdb5620696ac108e8f2efd180fe2c1a` (git)
  - affected: `ddf8abd2599491cbad959c700b90ba72a5dce8d0 to before 34e88f53614640b59039a46717fb6142e9871022` (git)
  - affected: `ddf8abd2599491cbad959c700b90ba72a5dce8d0 to before eac233e63f9db82ba874e3cccafaafab162999e0` (git)
  - affected: `ddf8abd2599491cbad959c700b90ba72a5dce8d0 to before 569dd7e5dcffe1e1c6b26ca2cd3be57eb433e082` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.35`
  - unaffected: `before 2.6.35` (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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0023, the 14th 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-2026-89732](https://www.cve.org/CVERecord?id=CVE-2026-89732)
- [NVD: CVE-2026-89732](https://nvd.nist.gov/vuln/detail/CVE-2026-89732)

### References from the CNA

- <https://git.kernel.org/stable/c/fbe3db4b650c284df8eb4cb68eebcf270cf861b5>
- <https://git.kernel.org/stable/c/30430509c156e1df2bdafd5f1cadb160e53db5d6>
- <https://git.kernel.org/stable/c/bafddd0f20b5228760be303aa69c58502e92309c>
- <https://git.kernel.org/stable/c/b0a6bfac0c3c3edf5b2ecaee87a09234601fe78d>
- <https://git.kernel.org/stable/c/fd20cc68bbdb5620696ac108e8f2efd180fe2c1a>
- <https://git.kernel.org/stable/c/34e88f53614640b59039a46717fb6142e9871022>
- <https://git.kernel.org/stable/c/eac233e63f9db82ba874e3cccafaafab162999e0>
- <https://git.kernel.org/stable/c/569dd7e5dcffe1e1c6b26ca2cd3be57eb433e082>

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-2026-89732>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89732/>. Everything for agents: <https://agentprime.io/llms.txt>.