# net: bridge: arp/nd proxy: fix reading neigh ha

CVE record · `CVE-2026-90106`

- **Identifiers:** `CVE-2026-90106`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 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: `057658cb33fbf4d4309f01fe8845903b1cd07fad to before 2365b25b4add42bb5f652920b45bc9ad0e35cbc7` (git)
  - affected: `057658cb33fbf4d4309f01fe8845903b1cd07fad to before 490c72868443ff90f47f4ccbaaff1eaf8fed46ab` (git)
  - affected: `057658cb33fbf4d4309f01fe8845903b1cd07fad to before a178bcb01051688fb085ffb72cc4b13b5df0fc0f` (git)
  - affected: `057658cb33fbf4d4309f01fe8845903b1cd07fad to before 884cbf15ccd3980bcc9583073045f91798a86d4e` (git)
  - affected: `057658cb33fbf4d4309f01fe8845903b1cd07fad to before 291c9e137b7c74e8a512cded4845352da4c4adda` (git)
  - affected: `057658cb33fbf4d4309f01fe8845903b1cd07fad to before 57549ab9079122991dfa0f8248ca00e101e8e69b` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.15`
  - unaffected: `before 4.15` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.114 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.57 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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:** 0.0023, the 13th percentile, on 13 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90106](https://www.cve.org/CVERecord?id=CVE-2026-90106)
- [NVD: CVE-2026-90106](https://nvd.nist.gov/vuln/detail/CVE-2026-90106)

### References from the CNA

- <https://git.kernel.org/stable/c/2365b25b4add42bb5f652920b45bc9ad0e35cbc7>
- <https://git.kernel.org/stable/c/490c72868443ff90f47f4ccbaaff1eaf8fed46ab>
- <https://git.kernel.org/stable/c/a178bcb01051688fb085ffb72cc4b13b5df0fc0f>
- <https://git.kernel.org/stable/c/884cbf15ccd3980bcc9583073045f91798a86d4e>
- <https://git.kernel.org/stable/c/291c9e137b7c74e8a512cded4845352da4c4adda>
- <https://git.kernel.org/stable/c/57549ab9079122991dfa0f8248ca00e101e8e69b>

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-2026-90106>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90106/>. Everything for agents: <https://agentprime.io/llms.txt>.