# reboot: fix cad_pid use-after-free race

CVE record · `CVE-2026-97938`

- **Identifiers:** `CVE-2026-97938`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 25 Sept 2026
- **Updated:** 21 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:22 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: `9ec52099e4b8678a60e9f93e41ad87885d64f3e6 to before 0c1a966bc047af2801a70b8eb13f9df5d7ab925f` (git)
  - affected: `9ec52099e4b8678a60e9f93e41ad87885d64f3e6 to before ae3e53fe3c1241855e3a88f74877738349948c78` (git)
  - affected: `9ec52099e4b8678a60e9f93e41ad87885d64f3e6 to before ad72e2566643fff7f01666d845fb026898155e1f` (git)
  - affected: `9ec52099e4b8678a60e9f93e41ad87885d64f3e6 to before 9a17b0e053197a6a42cdc75e75a35b17aa662088` (git)
  - affected: `9ec52099e4b8678a60e9f93e41ad87885d64f3e6 to before 5a88f78df753993469dab4d1831f8fb4256a9468` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.19`
  - unaffected: `before 2.6.19` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.7 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:** 0.0021, the 10th 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 25 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-97938](https://www.cve.org/CVERecord?id=CVE-2026-97938)
- [NVD: CVE-2026-97938](https://nvd.nist.gov/vuln/detail/CVE-2026-97938)

### References from the CNA

- <https://git.kernel.org/stable/c/0c1a966bc047af2801a70b8eb13f9df5d7ab925f>
- <https://git.kernel.org/stable/c/ae3e53fe3c1241855e3a88f74877738349948c78>
- <https://git.kernel.org/stable/c/ad72e2566643fff7f01666d845fb026898155e1f>
- <https://git.kernel.org/stable/c/9a17b0e053197a6a42cdc75e75a35b17aa662088>
- <https://git.kernel.org/stable/c/5a88f78df753993469dab4d1831f8fb4256a9468>

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-2026-97938>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97938/>. Everything for agents: <https://agentprime.io/llms.txt>.