# qede: Fix NULL pointer dereference in TPA fragment processing

CVE record · `CVE-2026-89511`

- **Identifiers:** `CVE-2026-89511`
- **State:** Confirmed
- **Severity:** CVSS 7.5 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 11 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:43 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: `8a8633978b842c88fbcfe00d4e5dde96048f630e to before e2214e2793154b745436e46c6a9a7985d9b3781d` (git)
  - affected: `8a8633978b842c88fbcfe00d4e5dde96048f630e to before dd8bc0a9d87d2b048711edd17ba7286432edd285` (git)
  - affected: `8a8633978b842c88fbcfe00d4e5dde96048f630e to before fa7c9bd2c4a8de167e2fb32968ca4d91dd774375` (git)
  - affected: `8a8633978b842c88fbcfe00d4e5dde96048f630e to before a5e1fdc126ab337d601d1a00cc4b47910679d005` (git)
  - affected: `8a8633978b842c88fbcfe00d4e5dde96048f630e to before 7f911e208b3ca2c76d9f2bbba1f54b9403568c10` (git)
  - affected: `8a8633978b842c88fbcfe00d4e5dde96048f630e to before 2a952fb1b20d83e83ca852773e6188511f7d2191` (git)
  - affected: `8a8633978b842c88fbcfe00d4e5dde96048f630e to before f5c8619ccbd70102642120c4c6fda1c048a555fd` (git)
  - affected: `8a8633978b842c88fbcfe00d4e5dde96048f630e to before 06aa3d26327f24edd039ff249672fdf6f2ba5695` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.18`
  - unaffected: `before 4.18` (semver)
  - unaffected: `5.10.270 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.109 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.50 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.4 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

- 7.5 High, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0071, the 54th percentile, on 14 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 11 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89511](https://www.cve.org/CVERecord?id=CVE-2026-89511)
- [NVD: CVE-2026-89511](https://nvd.nist.gov/vuln/detail/CVE-2026-89511)

### References from the CNA

- <https://git.kernel.org/stable/c/e2214e2793154b745436e46c6a9a7985d9b3781d>
- <https://git.kernel.org/stable/c/dd8bc0a9d87d2b048711edd17ba7286432edd285>
- <https://git.kernel.org/stable/c/fa7c9bd2c4a8de167e2fb32968ca4d91dd774375>
- <https://git.kernel.org/stable/c/a5e1fdc126ab337d601d1a00cc4b47910679d005>
- <https://git.kernel.org/stable/c/7f911e208b3ca2c76d9f2bbba1f54b9403568c10>
- <https://git.kernel.org/stable/c/2a952fb1b20d83e83ca852773e6188511f7d2191>
- <https://git.kernel.org/stable/c/f5c8619ccbd70102642120c4c6fda1c048a555fd>
- <https://git.kernel.org/stable/c/06aa3d26327f24edd039ff249672fdf6f2ba5695>

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-2026-89511>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-89511/>. Everything for agents: <https://agentprime.io/llms.txt>.