# drm/virtio: Fix a NULL vs ERR_PTR() bug in virtio_gpu_user_framebuffer_create()

CVE record · `CVE-2026-98404`

- **Identifiers:** `CVE-2026-98404`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 14 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 14 Oct 2026, 13:26 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: `dc5698e80cf724770283e10414054662bdf6ccfa to before 975f3cf302bb7d7336df4c630a7c07e12780ad10` (git)
  - affected: `dc5698e80cf724770283e10414054662bdf6ccfa to before 07de0b31dd64094cd7d25729beaf2ecae74daa72` (git)
  - affected: `dc5698e80cf724770283e10414054662bdf6ccfa to before 5eda6cda0031ba17559d56882353be39e568ec09` (git)
  - affected: `dc5698e80cf724770283e10414054662bdf6ccfa to before 3fe8a33715265ecb24ca0bcd0a575c926da4277c` (git)
  - affected: `dc5698e80cf724770283e10414054662bdf6ccfa to before 974845d2535a250b180e62f9ed50284f312c01a3` (git)
  - affected: `dc5698e80cf724770283e10414054662bdf6ccfa to before 45dc2788a5b0e1e2824d1f98af521bd3acc340d7` (git)
  - affected: `dc5698e80cf724770283e10414054662bdf6ccfa to before f1050a7d365283678b253828739d3866ae546a72` (git)
  - affected: `dc5698e80cf724770283e10414054662bdf6ccfa to before 94579f24e2b526a04eb41050af0ba018c6f528e7` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.2`
  - unaffected: `before 4.2` (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: `7.2.7 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:** 0.0022, the 12th percentile, on 8 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 14 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98404](https://www.cve.org/CVERecord?id=CVE-2026-98404)
- [NVD: CVE-2026-98404](https://nvd.nist.gov/vuln/detail/CVE-2026-98404)

### References from the CNA

- <https://git.kernel.org/stable/c/975f3cf302bb7d7336df4c630a7c07e12780ad10>
- <https://git.kernel.org/stable/c/07de0b31dd64094cd7d25729beaf2ecae74daa72>
- <https://git.kernel.org/stable/c/5eda6cda0031ba17559d56882353be39e568ec09>
- <https://git.kernel.org/stable/c/3fe8a33715265ecb24ca0bcd0a575c926da4277c>
- <https://git.kernel.org/stable/c/974845d2535a250b180e62f9ed50284f312c01a3>
- <https://git.kernel.org/stable/c/45dc2788a5b0e1e2824d1f98af521bd3acc340d7>
- <https://git.kernel.org/stable/c/f1050a7d365283678b253828739d3866ae546a72>
- <https://git.kernel.org/stable/c/94579f24e2b526a04eb41050af0ba018c6f528e7>

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-2026-98404>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98404/>. Everything for agents: <https://agentprime.io/llms.txt>.