# mm/damon/vaddr: avoid hw-driven pte updates during damon_hugetlb_mkold()

CVE record · `CVE-2026-98505`

- **Identifiers:** `CVE-2026-98505`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 21 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:17 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: `49f4203aae06ba9d67b500c90339b262b0a52637 to before 7ed1062d154ec2401f2c894fd6858598bb1160b6` (git)
  - affected: `49f4203aae06ba9d67b500c90339b262b0a52637 to before 00457981327c80bcc56e07d4714fe189337a19fa` (git)
  - affected: `49f4203aae06ba9d67b500c90339b262b0a52637 to before e59cb7eda7c06334a0faf5aa44adb6acf2a1287a` (git)
  - affected: `49f4203aae06ba9d67b500c90339b262b0a52637 to before 6e74ffc9ecf6ec24eee117150da78a1102be74c5` (git)
  - affected: `49f4203aae06ba9d67b500c90339b262b0a52637 to before 39c0ceedd54557bdc1542de08d22b2ed33e534e4` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.17`
  - unaffected: `before 5.17` (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

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0020, the 9th 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 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98505](https://www.cve.org/CVERecord?id=CVE-2026-98505)
- [NVD: CVE-2026-98505](https://nvd.nist.gov/vuln/detail/CVE-2026-98505)

### References from the CNA

- <https://git.kernel.org/stable/c/7ed1062d154ec2401f2c894fd6858598bb1160b6>
- <https://git.kernel.org/stable/c/00457981327c80bcc56e07d4714fe189337a19fa>
- <https://git.kernel.org/stable/c/e59cb7eda7c06334a0faf5aa44adb6acf2a1287a>
- <https://git.kernel.org/stable/c/6e74ffc9ecf6ec24eee117150da78a1102be74c5>
- <https://git.kernel.org/stable/c/39c0ceedd54557bdc1542de08d22b2ed33e534e4>

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-2026-98505>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98505/>. Everything for agents: <https://agentprime.io/llms.txt>.