# net: appletalk: fix NULL pointer dereference in aarp_send_ddp()

CVE record · `CVE-2026-93286`

- **Identifiers:** `CVE-2026-93286`
- **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, 16:02 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: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 51cc5e756cec6071ffc620076aebcf5bae936668` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 8c4b9ceb1be780588c1c50d573d5ee308e0874d2` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before d643fd42ad96f19b5ce5cb11824fefa617191dbe` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 542c1dd41e1b0cd1c2c3ba8091c7d882eea0d680` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 8fc30f0cdf4207a5aa2341c0a98d0f1713b3ce2c` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 83899a056aeb120898a6e3a989971fc63e274e2e` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 9e7f36ab5b7bf68463faa5f7b926fea8f35597bb` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.12`
  - unaffected: `before 2.6.12` (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: `7.1 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 14 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-2026-93286](https://www.cve.org/CVERecord?id=CVE-2026-93286)
- [NVD: CVE-2026-93286](https://nvd.nist.gov/vuln/detail/CVE-2026-93286)

### References from the CNA

- <https://git.kernel.org/stable/c/51cc5e756cec6071ffc620076aebcf5bae936668>
- <https://git.kernel.org/stable/c/8c4b9ceb1be780588c1c50d573d5ee308e0874d2>
- <https://git.kernel.org/stable/c/d643fd42ad96f19b5ce5cb11824fefa617191dbe>
- <https://git.kernel.org/stable/c/542c1dd41e1b0cd1c2c3ba8091c7d882eea0d680>
- <https://git.kernel.org/stable/c/8fc30f0cdf4207a5aa2341c0a98d0f1713b3ce2c>
- <https://git.kernel.org/stable/c/83899a056aeb120898a6e3a989971fc63e274e2e>
- <https://git.kernel.org/stable/c/9e7f36ab5b7bf68463faa5f7b926fea8f35597bb>

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-2026-93286>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93286/>. Everything for agents: <https://agentprime.io/llms.txt>.