# io_uring/futex: ensure io_futex_wait() cleans up properly on failure

CVE record · `CVE-2025-39698`

- **Identifiers:** `CVE-2025-39698`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-672](https://cwe.mitre.org/data/definitions/672.html)
- **Tags:** [CWE-672](https://agentprime.io/advisories/tag/cwe-672.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 5 Sept 2025
- **Updated:** 5 Aug 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 5 Sept 2025, 17:21 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: `194bb58c6090e39bd7d9b9c888a079213628e1f6 to before d9f93172820a53ab42c4b0e5e65291f4f9d00ad2` (git)
  - affected: `194bb58c6090e39bd7d9b9c888a079213628e1f6 to before d34c04152df517c59979b4bf2a47f491e06d3256` (git)
  - affected: `194bb58c6090e39bd7d9b9c888a079213628e1f6 to before 508c1314b342b78591f51c4b5dadee31a88335df` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.7`
  - unaffected: `before 6.7` (semver)
  - unaffected: `6.12.44 to 6.12.*, inclusive` (semver)
  - unaffected: `6.16.4 to 6.16.*, inclusive` (semver)
  - unaffected: `6.17 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) (used for this record)
- 8.8 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H`, from ADP (CISA-ADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0020, the 10th percentile, on 5 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 5 Sept 2025. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2025-39698](https://www.cve.org/CVERecord?id=CVE-2025-39698)
- [NVD: CVE-2025-39698](https://nvd.nist.gov/vuln/detail/CVE-2025-39698)

### References from the CNA

- <https://git.kernel.org/stable/c/d9f93172820a53ab42c4b0e5e65291f4f9d00ad2>
- <https://git.kernel.org/stable/c/d34c04152df517c59979b4bf2a47f491e06d3256>
- <https://git.kernel.org/stable/c/508c1314b342b78591f51c4b5dadee31a88335df>
- <https://www.zerodayinitiative.com/advisories/ZDI-25-915/>

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-2025-39698>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2025-39698/>. Everything for agents: <https://agentprime.io/llms.txt>.