# net: qrtr: fix node refcount leak on ctrl packet alloc failure

CVE record · `CVE-2026-97440`

- **Identifiers:** `CVE-2026-97440`
- **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:** 3 Oct 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: `cb6530b99fafea6c0636c4640bd21301d12cdbc9 to before 78d066ecac9ce50441d4affae0df2093c4c3e62e` (git)
  - affected: `cb6530b99fafea6c0636c4640bd21301d12cdbc9 to before f3e90fbcd2d5ec1632bc2e8cdd1218f56bcb5fcf` (git)
  - affected: `cb6530b99fafea6c0636c4640bd21301d12cdbc9 to before c3515740174b778d0ee44acc477b51a6478da6b8` (git)
  - affected: `cb6530b99fafea6c0636c4640bd21301d12cdbc9 to before f76a39c45182d9137e053081cee9f2c197404ce6` (git)
  - affected: `cb6530b99fafea6c0636c4640bd21301d12cdbc9 to before 477353db343663d5502ca442c6de785d2f23f273` (git)
  - affected: `cb6530b99fafea6c0636c4640bd21301d12cdbc9 to before 9d969c98732a4d42212ec580dd5bbad53f246103` (git)
  - affected: `cb6530b99fafea6c0636c4640bd21301d12cdbc9 to before 3b09ff54114566864eea59020f6b69c5bb325b9d` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.6`
  - unaffected: `before 5.6` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.222 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (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 6th 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-2026-97440](https://www.cve.org/CVERecord?id=CVE-2026-97440)
- [NVD: CVE-2026-97440](https://nvd.nist.gov/vuln/detail/CVE-2026-97440)

### References from the CNA

- <https://git.kernel.org/stable/c/78d066ecac9ce50441d4affae0df2093c4c3e62e>
- <https://git.kernel.org/stable/c/f3e90fbcd2d5ec1632bc2e8cdd1218f56bcb5fcf>
- <https://git.kernel.org/stable/c/c3515740174b778d0ee44acc477b51a6478da6b8>
- <https://git.kernel.org/stable/c/f76a39c45182d9137e053081cee9f2c197404ce6>
- <https://git.kernel.org/stable/c/477353db343663d5502ca442c6de785d2f23f273>
- <https://git.kernel.org/stable/c/9d969c98732a4d42212ec580dd5bbad53f246103>
- <https://git.kernel.org/stable/c/3b09ff54114566864eea59020f6b69c5bb325b9d>

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-2026-97440>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97440/>. Everything for agents: <https://agentprime.io/llms.txt>.