# tracing: Do not initialize tracefs work if tracing is disabled

CVE record · `CVE-2026-99247`

- **Identifiers:** `CVE-2026-99247`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 3 Nov 2026
- **Updated:** 3 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 3 Nov 2026, 11:18 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: `6621a7004684bfcff5af4c8e4d37989941f42a6b to before e8665e884e076d894f3eed8b9ea28e37a6448604` (git)
  - affected: `6621a7004684bfcff5af4c8e4d37989941f42a6b to before e8cfcd7e60eaa3b0dea4d71c64499604e7081736` (git)
  - affected: `6621a7004684bfcff5af4c8e4d37989941f42a6b to before afd38b10b1c6a5c5d6952b15b990596dab9684e6` (git)
  - affected: `6621a7004684bfcff5af4c8e4d37989941f42a6b to before 813e18881c6472eb229a63180ff42c808e3e949b` (git)
  - affected: `6621a7004684bfcff5af4c8e4d37989941f42a6b to before 7539c61f522ff693d9565a0411386c2236e776cd` (git)
  - affected: `6621a7004684bfcff5af4c8e4d37989941f42a6b to before b3b974008388ab59e44d764ba7a63c988fec2524` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.19`
  - unaffected: `before 5.19` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.161 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.115 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.59 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.13 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:** 0.0016, the 5th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 3 Nov 2026, 11:18 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-99247)
- 3 Nov 2026, 11:27 UTC: First seen by agentprime
- 3 Nov 2026, 12:17 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-99247)

## Sources

- [CVE List: CVE-2026-99247](https://www.cve.org/CVERecord?id=CVE-2026-99247)
- [NVD: CVE-2026-99247](https://nvd.nist.gov/vuln/detail/CVE-2026-99247)

### References from the CNA

- <https://git.kernel.org/stable/c/e8665e884e076d894f3eed8b9ea28e37a6448604>
- <https://git.kernel.org/stable/c/e8cfcd7e60eaa3b0dea4d71c64499604e7081736>
- <https://git.kernel.org/stable/c/afd38b10b1c6a5c5d6952b15b990596dab9684e6>
- <https://git.kernel.org/stable/c/813e18881c6472eb229a63180ff42c808e3e949b>
- <https://git.kernel.org/stable/c/7539c61f522ff693d9565a0411386c2236e776cd>
- <https://git.kernel.org/stable/c/b3b974008388ab59e44d764ba7a63c988fec2524>

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-2026-99247>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99247/>. Everything for agents: <https://agentprime.io/llms.txt>.