# RISC-V: KVM: Serialize IMSIC attributes with vCPU migration

CVE record · `CVE-2026-98465`

- **Identifiers:** `CVE-2026-98465`
- **State:** Confirmed
- **Severity:** CVSS 7.0 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 24 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:15 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: `db8b7e97d6137a28b2bfc07e591d54da268f0c36 to before 6c2bcf6b173d4afed883cceea9d47f2c5194161d` (git)
  - affected: `db8b7e97d6137a28b2bfc07e591d54da268f0c36 to before a29c5d2dd2ef9a8617a9a6d5585696d5f149cd98` (git)
  - affected: `db8b7e97d6137a28b2bfc07e591d54da268f0c36 to before c525772c304c971b0d3a1f2898dedbae653efe90` (git)
  - affected: `db8b7e97d6137a28b2bfc07e591d54da268f0c36 to before 71acbea44e78665ea90e3c310fca6bbdcc0252db` (git)
  - affected: `db8b7e97d6137a28b2bfc07e591d54da268f0c36 to before 8ae12ccaec6ec74945d8c1ef39f2c1b8df779abc` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.5`
  - unaffected: `before 6.5` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.55 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.9 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0014, the 3rd percentile, on 9 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 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98465](https://www.cve.org/CVERecord?id=CVE-2026-98465)
- [NVD: CVE-2026-98465](https://nvd.nist.gov/vuln/detail/CVE-2026-98465)

### References from the CNA

- <https://git.kernel.org/stable/c/6c2bcf6b173d4afed883cceea9d47f2c5194161d>
- <https://git.kernel.org/stable/c/a29c5d2dd2ef9a8617a9a6d5585696d5f149cd98>
- <https://git.kernel.org/stable/c/c525772c304c971b0d3a1f2898dedbae653efe90>
- <https://git.kernel.org/stable/c/71acbea44e78665ea90e3c310fca6bbdcc0252db>
- <https://git.kernel.org/stable/c/8ae12ccaec6ec74945d8c1ef39f2c1b8df779abc>

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-2026-98465>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98465/>. Everything for agents: <https://agentprime.io/llms.txt>.