# tracing: Hold trace_types_lock when updating modules in persistent instances

CVE record · `CVE-2026-99238`

- **Identifiers:** `CVE-2026-99238`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 2 Nov 2026
- **Updated:** 3 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 2 Nov 2026, 16:06 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: `5f3719f697c3fdfae5cd6805f10ac7a04b0f4e43 to before 57408eac99b0d8a005796346d317d31f0ca4e07a` (git)
  - affected: `5f3719f697c3fdfae5cd6805f10ac7a04b0f4e43 to before dab2bd4d67ad5eaa95019a9511f8d379401b5021` (git)
  - affected: `5f3719f697c3fdfae5cd6805f10ac7a04b0f4e43 to before 244c442f54601a24c86ad90572bf36fc3df41c5e` (git)
  - affected: `5f3719f697c3fdfae5cd6805f10ac7a04b0f4e43 to before 66877a312ae3c2c3d849e82e882f642ffd4ec3e2` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.15`
  - unaffected: `before 6.15` (semver)
  - unaffected: `6.18.60 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.14 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3.1 to 7.3.*, inclusive` (semver)
  - unaffected: `7.4-rc1 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)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0012, the 1st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 2 Nov 2026, 16:06 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-99238)
- 2 Nov 2026, 16:12 UTC: First seen by agentprime
- 2 Nov 2026, 16:17 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-99238)

## Sources

- [CVE List: CVE-2026-99238](https://www.cve.org/CVERecord?id=CVE-2026-99238)
- [NVD: CVE-2026-99238](https://nvd.nist.gov/vuln/detail/CVE-2026-99238)

### References from the CNA

- <https://git.kernel.org/stable/c/57408eac99b0d8a005796346d317d31f0ca4e07a>
- <https://git.kernel.org/stable/c/dab2bd4d67ad5eaa95019a9511f8d379401b5021>
- <https://git.kernel.org/stable/c/244c442f54601a24c86ad90572bf36fc3df41c5e>
- <https://git.kernel.org/stable/c/66877a312ae3c2c3d849e82e882f642ffd4ec3e2>

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-2026-99238>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99238/>. Everything for agents: <https://agentprime.io/llms.txt>.