# RDMA/rxe: Restore HMM_PFN_WRITE check in ODP write paths

CVE record · `CVE-2026-98361`

- **Identifiers:** `CVE-2026-98361`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 6 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 6 Oct 2026, 08:46 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: `0b261d7c1cd32dc93cbc92425fb55e67b24c6638 to before c6f56982ec5c7da83c4bdfcce3b6db18bcfe6425` (git)
  - affected: `0b261d7c1cd32dc93cbc92425fb55e67b24c6638 to before 2d6c6f94d3e1cde049fe5db71dbd5549f10b2de1` (git)
  - affected: `0b261d7c1cd32dc93cbc92425fb55e67b24c6638 to before 769001ce838d907ecaa95f1d0a4e8fc86f761f9f` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.16`
  - unaffected: `before 6.16` (semver)
  - unaffected: `6.18.54 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.8 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0012, the 1st 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 6 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98361](https://www.cve.org/CVERecord?id=CVE-2026-98361)
- [NVD: CVE-2026-98361](https://nvd.nist.gov/vuln/detail/CVE-2026-98361)

### References from the CNA

- <https://git.kernel.org/stable/c/c6f56982ec5c7da83c4bdfcce3b6db18bcfe6425>
- <https://git.kernel.org/stable/c/2d6c6f94d3e1cde049fe5db71dbd5549f10b2de1>
- <https://git.kernel.org/stable/c/769001ce838d907ecaa95f1d0a4e8fc86f761f9f>

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-2026-98361>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98361/>. Everything for agents: <https://agentprime.io/llms.txt>.