# perf/ftrace: Fix WARNING in \_\_unregister_ftrace_function

CVE record · `CVE-2026-97443`

- **Identifiers:** `CVE-2026-97443`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 24 Sept 2026
- **Updated:** 25 Sept 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 16:03 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: `7ef5aa081f989ecfecc1df02068a80aebbd3ec31 to before df097713b56ffac5eed32a9be2e7d27ac48d9087` (git)
  - affected: `c70ca298036c58a88686ff388d3d367e9d21acf0 to before 7f845820afaad339341c2ae42bc7fdec175df9ea` (git)
  - affected: `c70ca298036c58a88686ff388d3d367e9d21acf0 to before 9581123304b23049437324038698af9fb56ee663` (git)
  - affected: `315a50c6b1c6ce191f19f3372935d8e2ed9b53a6` (git)
  - affected: `1209b0b29fd472e7dbd2b06544b019dd9f9b7e51` (git)
  - affected: `6.12.24 to before 6.12.111` (semver)
  - affected: `6.13.12 to before 6.14` (semver)
  - affected: `6.14.3 to before 6.15` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.15`
  - unaffected: `before 6.15` (semver)
  - unaffected: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2 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:** 0.0017, the 5th percentile, on 12 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-97443](https://www.cve.org/CVERecord?id=CVE-2026-97443)
- [NVD: CVE-2026-97443](https://nvd.nist.gov/vuln/detail/CVE-2026-97443)

### References from the CNA

- <https://git.kernel.org/stable/c/df097713b56ffac5eed32a9be2e7d27ac48d9087>
- <https://git.kernel.org/stable/c/7f845820afaad339341c2ae42bc7fdec175df9ea>
- <https://git.kernel.org/stable/c/9581123304b23049437324038698af9fb56ee663>

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-2026-97443>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97443/>. Everything for agents: <https://agentprime.io/llms.txt>.