# usb: gadget: f_fs: Fix NULL pointer dereference in FUNCTIONFS_ENDPOINT_DESC

CVE record · `CVE-2026-98764`

- **Identifiers:** `CVE-2026-98764`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:47 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: `c559a353410939c0884e83bdb0e2420a986ac53b to before c5f452e057df6ef89300523d13ad6833bfd199cd` (git)
  - affected: `c559a353410939c0884e83bdb0e2420a986ac53b to before e5b9d6bb2a8906a1188c9a90cc8d102de3f07cad` (git)
  - affected: `c559a353410939c0884e83bdb0e2420a986ac53b to before 7ef0ad5f462fa95bc4c6647d097d7c0384245b9c` (git)
  - affected: `c559a353410939c0884e83bdb0e2420a986ac53b to before 06ac8609d6d185ac18c1d6a6a8a9b99e398bd124` (git)
  - affected: `c559a353410939c0884e83bdb0e2420a986ac53b to before 9d8761b3c133f6c6a6d3486839dac60e2cf4bfe3` (git)
  - affected: `c559a353410939c0884e83bdb0e2420a986ac53b to before 7811d8e26c77f8eea79e22d0d14c67ec0658b348` (git)
  - affected: `c559a353410939c0884e83bdb0e2420a986ac53b to before 35ab269602e1f7c4c0fe6ea3477264bea77eced3` (git)
  - affected: `c559a353410939c0884e83bdb0e2420a986ac53b to before 9cd072788c76595529eb38f42bf94d23852f8534` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.18`
  - unaffected: `before 3.18` (semver)
  - unaffected: `5.10.273 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.224 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.113 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.56 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.10 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:** 0.0018, the 7th percentile, on 7 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 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98764](https://www.cve.org/CVERecord?id=CVE-2026-98764)
- [NVD: CVE-2026-98764](https://nvd.nist.gov/vuln/detail/CVE-2026-98764)

### References from the CNA

- <https://git.kernel.org/stable/c/c5f452e057df6ef89300523d13ad6833bfd199cd>
- <https://git.kernel.org/stable/c/e5b9d6bb2a8906a1188c9a90cc8d102de3f07cad>
- <https://git.kernel.org/stable/c/7ef0ad5f462fa95bc4c6647d097d7c0384245b9c>
- <https://git.kernel.org/stable/c/06ac8609d6d185ac18c1d6a6a8a9b99e398bd124>
- <https://git.kernel.org/stable/c/9d8761b3c133f6c6a6d3486839dac60e2cf4bfe3>
- <https://git.kernel.org/stable/c/7811d8e26c77f8eea79e22d0d14c67ec0658b348>
- <https://git.kernel.org/stable/c/35ab269602e1f7c4c0fe6ea3477264bea77eced3>
- <https://git.kernel.org/stable/c/9cd072788c76595529eb38f42bf94d23852f8534>

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-2026-98764>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98764/>. Everything for agents: <https://agentprime.io/llms.txt>.