# net: page_pool: fix UAF in \_\_page_pool_release_netmem_dma on xa_cmpxchg race

CVE record · `CVE-2026-90201`

- **Identifiers:** `CVE-2026-90201`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:07 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: `4f51fb0d257ff4d406ec27966902de075e3b118e to before bbfef303f980c1c078b8fa142e10a0e2fbcdd247` (git)
  - affected: `ee62ce7a1d909ccba0399680a03c2dee83bcae95 to before 424a9fc4876cc7f28e9cb0aa8d92e920d726e350` (git)
  - affected: `ee62ce7a1d909ccba0399680a03c2dee83bcae95 to before 9b65b0253ad5a66f73efee9a79a21a1e2b57cf59` (git)
  - affected: `ee62ce7a1d909ccba0399680a03c2dee83bcae95 to before 24ef02f934eeb48830cff6b739abc3c62b1d107b` (git)
  - affected: `c30ae60f41f9edd6e1b5cad41cf28ce04dae39e4` (git)
  - affected: `6.12.34 to before 6.12.110` (semver)
  - affected: `6.15.3 to before 6.16` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.16`
  - unaffected: `before 6.16` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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:** 0.0021, the 10th percentile, on 13 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90201](https://www.cve.org/CVERecord?id=CVE-2026-90201)
- [NVD: CVE-2026-90201](https://nvd.nist.gov/vuln/detail/CVE-2026-90201)

### References from the CNA

- <https://git.kernel.org/stable/c/bbfef303f980c1c078b8fa142e10a0e2fbcdd247>
- <https://git.kernel.org/stable/c/424a9fc4876cc7f28e9cb0aa8d92e920d726e350>
- <https://git.kernel.org/stable/c/9b65b0253ad5a66f73efee9a79a21a1e2b57cf59>
- <https://git.kernel.org/stable/c/24ef02f934eeb48830cff6b739abc3c62b1d107b>

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-2026-90201>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90201/>. Everything for agents: <https://agentprime.io/llms.txt>.