# btrfs: fix subvolume deletion lockup caused by inodes xarray race

CVE record · `CVE-2025-39884`

- **Identifiers:** `CVE-2025-39884`
- **State:** Confirmed
- **Severity:** CVSS 4.7 Medium
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-667](https://cwe.mitre.org/data/definitions/667.html)
- **Tags:** [CWE-667](https://agentprime.io/advisories/tag/cwe-667.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 23 Sept 2025
- **Updated:** 11 May 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 23 Sept 2025, 06:00 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: `310b2f5d5a9451b708ab1d3385c3b0998084904c to before 9ba898c9fcbe6ebb88bcd4df8aab0f90090d202e` (git)
  - affected: `310b2f5d5a9451b708ab1d3385c3b0998084904c to before f1498abaf74f8d7b1e7001f16ed77818d8ae6a59` (git)
  - affected: `310b2f5d5a9451b708ab1d3385c3b0998084904c to before f6a6c280059c4ddc23e12e3de1b01098e240036f` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.11`
  - unaffected: `before 6.11` (semver)
  - unaffected: `6.12.48 to 6.12.*, inclusive` (semver)
  - unaffected: `6.16.8 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

- 4.7 Medium, CVSS 3.1: `CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H`, from ADP (CISA-ADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0011, the 1st 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 23 Sept 2025. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2025-39884](https://www.cve.org/CVERecord?id=CVE-2025-39884)
- [NVD: CVE-2025-39884](https://nvd.nist.gov/vuln/detail/CVE-2025-39884)

### References from the CNA

- <https://git.kernel.org/stable/c/9ba898c9fcbe6ebb88bcd4df8aab0f90090d202e>
- <https://git.kernel.org/stable/c/f1498abaf74f8d7b1e7001f16ed77818d8ae6a59>
- <https://git.kernel.org/stable/c/f6a6c280059c4ddc23e12e3de1b01098e240036f>

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-2025-39884>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2025-39884/>. Everything for agents: <https://agentprime.io/llms.txt>.