# bpf: Don't infer non-NULL from a pointer with an unbounded offset

CVE record · `CVE-2026-98043`

- **Identifiers:** `CVE-2026-98043`
- **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: `cac616db39c207dc63465a4e05c6ce0e60b2cce4 to before 8b414dbe97fcefd116e5a620c3bd9993014aa4ce` (git)
  - affected: `cac616db39c207dc63465a4e05c6ce0e60b2cce4 to before 019d845a08b8ccfe8eefaaf4bca6870f2b8c58ae` (git)
  - affected: `cac616db39c207dc63465a4e05c6ce0e60b2cce4 to before 65bea674f43c09c0eda033a140dfac6a2842a19f` (git)
  - affected: `cac616db39c207dc63465a4e05c6ce0e60b2cce4 to before cb6642048739bf4ee5aa09fe465511f1e87caa63` (git)
  - affected: `cac616db39c207dc63465a4e05c6ce0e60b2cce4 to before 67b529f521a6676cdfc78b91b0217d7eaa84216b` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.8`
  - unaffected: `before 5.8` (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: `7.2.7 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:** 0.0020, the 9th percentile, on 11 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-2026-98043](https://www.cve.org/CVERecord?id=CVE-2026-98043)
- [NVD: CVE-2026-98043](https://nvd.nist.gov/vuln/detail/CVE-2026-98043)

### References from the CNA

- <https://git.kernel.org/stable/c/8b414dbe97fcefd116e5a620c3bd9993014aa4ce>
- <https://git.kernel.org/stable/c/019d845a08b8ccfe8eefaaf4bca6870f2b8c58ae>
- <https://git.kernel.org/stable/c/65bea674f43c09c0eda033a140dfac6a2842a19f>
- <https://git.kernel.org/stable/c/cb6642048739bf4ee5aa09fe465511f1e87caa63>
- <https://git.kernel.org/stable/c/67b529f521a6676cdfc78b91b0217d7eaa84216b>

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-2026-98043>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98043/>. Everything for agents: <https://agentprime.io/llms.txt>.