# wifi: rsi: validate beacon length before fixed buffer copy

CVE record · `CVE-2026-93802`

- **Identifiers:** `CVE-2026-93802`
- **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: `d26a9559403c7c3ec3b430f5825bc22c3d40abdb to before 795ba65f46fe44061f1195951c122cc8ec685d44` (git)
  - affected: `d26a9559403c7c3ec3b430f5825bc22c3d40abdb to before 66a964432b2758a4cf69962366e37581d6e70632` (git)
  - affected: `d26a9559403c7c3ec3b430f5825bc22c3d40abdb to before 7f99742c3c2801f8033d8b7a0a58254d7f24fb1e` (git)
  - affected: `d26a9559403c7c3ec3b430f5825bc22c3d40abdb to before f08d7f3c916335a0e539f1c45c130615967fac47` (git)
  - affected: `d26a9559403c7c3ec3b430f5825bc22c3d40abdb to before 87710ad633ce4588aec88611d0d0745eb33a6991` (git)
  - affected: `d26a9559403c7c3ec3b430f5825bc22c3d40abdb to before 266f195d5a14eec6c482fd09fbc924584c3371a7` (git)
  - affected: `d26a9559403c7c3ec3b430f5825bc22c3d40abdb to before 8ecdeb8b8a33b22c597299043c0dcfce50beb9ea` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.14`
  - unaffected: `before 4.14` (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-2026-93802](https://www.cve.org/CVERecord?id=CVE-2026-93802)
- [NVD: CVE-2026-93802](https://nvd.nist.gov/vuln/detail/CVE-2026-93802)

### References from the CNA

- <https://git.kernel.org/stable/c/795ba65f46fe44061f1195951c122cc8ec685d44>
- <https://git.kernel.org/stable/c/66a964432b2758a4cf69962366e37581d6e70632>
- <https://git.kernel.org/stable/c/7f99742c3c2801f8033d8b7a0a58254d7f24fb1e>
- <https://git.kernel.org/stable/c/f08d7f3c916335a0e539f1c45c130615967fac47>
- <https://git.kernel.org/stable/c/87710ad633ce4588aec88611d0d0745eb33a6991>
- <https://git.kernel.org/stable/c/266f195d5a14eec6c482fd09fbc924584c3371a7>
- <https://git.kernel.org/stable/c/8ecdeb8b8a33b22c597299043c0dcfce50beb9ea>

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-2026-93802>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93802/>. Everything for agents: <https://agentprime.io/llms.txt>.