# usb: gadget: f_fs: Fix fence cleanup in ffs_dmabuf_transfer() error paths

CVE record · `CVE-2026-93121`

- **Identifiers:** `CVE-2026-93121`
- **State:** Confirmed
- **Severity:** CVSS 7.0 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:11 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: `7b07a2a7ca02a20124b552be96c5a56910795488 to before be539138d9a187af3b884525a395db10797c64f1` (git)
  - affected: `7b07a2a7ca02a20124b552be96c5a56910795488 to before 5fd8baacc7dc477df9cac61b45491840247a9b1e` (git)
  - affected: `7b07a2a7ca02a20124b552be96c5a56910795488 to before 58952c83dfe6ea3294a74734d2d1018c1120779a` (git)
  - affected: `7b07a2a7ca02a20124b552be96c5a56910795488 to before 621707dc67c9846fd876d7579ec951d92aa033f1` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.9`
  - unaffected: `before 6.9` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0015, the 4th 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93121](https://www.cve.org/CVERecord?id=CVE-2026-93121)
- [NVD: CVE-2026-93121](https://nvd.nist.gov/vuln/detail/CVE-2026-93121)

### References from the CNA

- <https://git.kernel.org/stable/c/be539138d9a187af3b884525a395db10797c64f1>
- <https://git.kernel.org/stable/c/5fd8baacc7dc477df9cac61b45491840247a9b1e>
- <https://git.kernel.org/stable/c/58952c83dfe6ea3294a74734d2d1018c1120779a>
- <https://git.kernel.org/stable/c/621707dc67c9846fd876d7579ec951d92aa033f1>

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-2026-93121>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93121/>. Everything for agents: <https://agentprime.io/llms.txt>.