# wifi: cfg80211: check IP header size in cfg80211_classify8021d()

CVE record · `CVE-2026-98345`

- **Identifiers:** `CVE-2026-98345`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 6 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 6 Oct 2026, 08:46 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: `e31a16d6f64ef0e324c6f54d5112703c3f13a9c4 to before 18d5547327c202cda33ad2bbd203220c2c62c8a7` (git)
  - affected: `e31a16d6f64ef0e324c6f54d5112703c3f13a9c4 to before 3ff17ffa8d02e0e3f6b2f6e57af4aac511f5b734` (git)
  - affected: `e31a16d6f64ef0e324c6f54d5112703c3f13a9c4 to before c4fbcf1e614ef0755fcc751fdfca21b0bf4e0ef7` (git)
  - affected: `e31a16d6f64ef0e324c6f54d5112703c3f13a9c4 to before 12c0abd4d1c1b04a7663d04ba85268bc9ad9c017` (git)
  - affected: `e31a16d6f64ef0e324c6f54d5112703c3f13a9c4 to before f33ad4e2f846e55cf4637419268f093ac9f1a765` (git)
  - affected: `e31a16d6f64ef0e324c6f54d5112703c3f13a9c4 to before a2cdb4a675ca04c4ac8cc962848082d8ce065008` (git)
  - affected: `e31a16d6f64ef0e324c6f54d5112703c3f13a9c4 to before 65893c8d28f239c7ddad5a83683be193a9133e9b` (git)
  - affected: `e31a16d6f64ef0e324c6f54d5112703c3f13a9c4 to before 48b2c5c628b09cf36cbeca53e0432fc2a7518be7` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.31`
  - unaffected: `before 2.6.31` (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: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.54 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.8 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:** 0.0018, the 7th percentile, on 10 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 6 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98345](https://www.cve.org/CVERecord?id=CVE-2026-98345)
- [NVD: CVE-2026-98345](https://nvd.nist.gov/vuln/detail/CVE-2026-98345)

### References from the CNA

- <https://git.kernel.org/stable/c/18d5547327c202cda33ad2bbd203220c2c62c8a7>
- <https://git.kernel.org/stable/c/3ff17ffa8d02e0e3f6b2f6e57af4aac511f5b734>
- <https://git.kernel.org/stable/c/c4fbcf1e614ef0755fcc751fdfca21b0bf4e0ef7>
- <https://git.kernel.org/stable/c/12c0abd4d1c1b04a7663d04ba85268bc9ad9c017>
- <https://git.kernel.org/stable/c/f33ad4e2f846e55cf4637419268f093ac9f1a765>
- <https://git.kernel.org/stable/c/a2cdb4a675ca04c4ac8cc962848082d8ce065008>
- <https://git.kernel.org/stable/c/65893c8d28f239c7ddad5a83683be193a9133e9b>
- <https://git.kernel.org/stable/c/48b2c5c628b09cf36cbeca53e0432fc2a7518be7>

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-2026-98345>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98345/>. Everything for agents: <https://agentprime.io/llms.txt>.