# x86/amd_node: Avoid divide by zero on virtualized systems

CVE record · `CVE-2026-98390`

- **Identifiers:** `CVE-2026-98390`
- **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, 13:25 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: `0a4b61d9c2e496b5f0a10e29e355a1465c8738bb to before 9273a90465d58b82aca4bea71451ef6bee084928` (git)
  - affected: `0a4b61d9c2e496b5f0a10e29e355a1465c8738bb to before 94e984d8858a3228952b02f84e66610961098cc2` (git)
  - affected: `0a4b61d9c2e496b5f0a10e29e355a1465c8738bb to before 72bd92bd8190d7869ecb462649ca40f297822a33` (git)
  - affected: `c4ad899a33198ab6335732c769835d035e66894a` (git)
  - affected: `6.17.8 to before 6.18` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.18`
  - unaffected: `before 6.18` (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:** 0.0020, the 10th 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-2026-98390](https://www.cve.org/CVERecord?id=CVE-2026-98390)
- [NVD: CVE-2026-98390](https://nvd.nist.gov/vuln/detail/CVE-2026-98390)

### References from the CNA

- <https://git.kernel.org/stable/c/9273a90465d58b82aca4bea71451ef6bee084928>
- <https://git.kernel.org/stable/c/94e984d8858a3228952b02f84e66610961098cc2>
- <https://git.kernel.org/stable/c/72bd92bd8190d7869ecb462649ca40f297822a33>

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-2026-98390>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98390/>. Everything for agents: <https://agentprime.io/llms.txt>.