# bpf: Reject legacy packet loads from callbacks

CVE record · `CVE-2026-98044`

- **Identifiers:** `CVE-2026-98044`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 25 Sept 2026
- **Updated:** 21 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:23 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: `8674e2db06cff6b50f2216eed9a761d15425bb34 to before cebda2a2bb4183550eae9dcf888c16407b4fffda` (git)
  - affected: `ce01a4e5cfac7adbe0be565f90cd32ecbb2f8337 to before 3484a99303912db62428494a9061212049027e57` (git)
  - affected: `ee861486e377edc55361c08dcbceab3f6b6577bd to before bc489c0c9b8c86bd7fac42cfd1bb152f042fca56` (git)
  - affected: `ee861486e377edc55361c08dcbceab3f6b6577bd to before e7d28823c662128caae63f14e16bd394916c139b` (git)
  - affected: `928d354ae3557e8f755a227e67be88034eb3cd7f` (git)
  - affected: `8a800497d9f6c2ec9c2c1ba7b71d0ac2ea7f7bbe` (git)
  - affected: `de1055e7f9e67af32b1f3376066272b04e5223c0` (git)
  - affected: `37ad2bb11e9de92cb7b94548705eeedd87f7d392` (git)
  - affected: `d846d83bdacbd8f14fc45c63b8c1d22608452e1c` (git)
  - affected: `6.12.101 to before 6.12.114` (semver)
  - affected: `6.18.42 to before 6.18.53` (semver)
  - affected: `5.10.265 to before 5.11` (semver)
  - and 4 more
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `7.1`
  - unaffected: `before 7.1` (semver)
  - unaffected: `6.12.114 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.7 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:** 0.0017, 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 25 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98044](https://www.cve.org/CVERecord?id=CVE-2026-98044)
- [NVD: CVE-2026-98044](https://nvd.nist.gov/vuln/detail/CVE-2026-98044)

### References from the CNA

- <https://git.kernel.org/stable/c/cebda2a2bb4183550eae9dcf888c16407b4fffda>
- <https://git.kernel.org/stable/c/3484a99303912db62428494a9061212049027e57>
- <https://git.kernel.org/stable/c/bc489c0c9b8c86bd7fac42cfd1bb152f042fca56>
- <https://git.kernel.org/stable/c/e7d28823c662128caae63f14e16bd394916c139b>

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-2026-98044>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98044/>. Everything for agents: <https://agentprime.io/llms.txt>.