# KVM: nVMX: Always flush vpid02 on first use

CVE record · `CVE-2026-89932`

- **Identifiers:** `CVE-2026-89932`
- **State:** Confirmed
- **Severity:** CVSS 8.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 16 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:32 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: `5c614b3583e7b6dab0c86356fa36c2bcbb8322a0 to before 26de0d2d9a8d14c03e5ebb25fd68b5bfcd5ac366` (git)
  - affected: `5c614b3583e7b6dab0c86356fa36c2bcbb8322a0 to before 8bc609999ec223089fec8d74c7de27d689606b36` (git)
  - affected: `5c614b3583e7b6dab0c86356fa36c2bcbb8322a0 to before 62604376c313178811375f40a282fc2a46cd2311` (git)
  - affected: `5c614b3583e7b6dab0c86356fa36c2bcbb8322a0 to before 8b98d662ab24f34710a56e03bc9169e4a5508606` (git)
  - affected: `5c614b3583e7b6dab0c86356fa36c2bcbb8322a0 to before 22dfcc22c95e91295119a1c3b469816ce44c4804` (git)
  - affected: `5c614b3583e7b6dab0c86356fa36c2bcbb8322a0 to before 121991d150735f3c0f7401678ce4d35c5b4ac898` (git)
  - affected: `5c614b3583e7b6dab0c86356fa36c2bcbb8322a0 to before f0772389413dce9657c7d6950abf3edbbd511356` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.4`
  - unaffected: `before 4.4` (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: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.51 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.5 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0017, the 6th percentile, on 15 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 16 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89932](https://www.cve.org/CVERecord?id=CVE-2026-89932)
- [NVD: CVE-2026-89932](https://nvd.nist.gov/vuln/detail/CVE-2026-89932)

### References from the CNA

- <https://git.kernel.org/stable/c/26de0d2d9a8d14c03e5ebb25fd68b5bfcd5ac366>
- <https://git.kernel.org/stable/c/8bc609999ec223089fec8d74c7de27d689606b36>
- <https://git.kernel.org/stable/c/62604376c313178811375f40a282fc2a46cd2311>
- <https://git.kernel.org/stable/c/8b98d662ab24f34710a56e03bc9169e4a5508606>
- <https://git.kernel.org/stable/c/22dfcc22c95e91295119a1c3b469816ce44c4804>
- <https://git.kernel.org/stable/c/121991d150735f3c0f7401678ce4d35c5b4ac898>
- <https://git.kernel.org/stable/c/f0772389413dce9657c7d6950abf3edbbd511356>

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-2026-89932>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89932/>. Everything for agents: <https://agentprime.io/llms.txt>.