# drm/nouveau/uvmm: clear the dirty flag when unwinding an OP_UNMAP_SPARSE

CVE record · `CVE-2026-89800`

- **Identifiers:** `CVE-2026-89800`
- **State:** Confirmed
- **Severity:** No CVSS score
- **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, 10:30 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: `b88baab828713ce0b49b185444b2ee83bed373a8 to before a129b2b875c148aba233ace8447a0c36ca3bae07` (git)
  - affected: `b88baab828713ce0b49b185444b2ee83bed373a8 to before 196ce9e5e93202da097062be24e404984dbc5ac2` (git)
  - affected: `b88baab828713ce0b49b185444b2ee83bed373a8 to before 1101cbfe7f342e5eaaf7444965d4f1215abdac4c` (git)
  - affected: `b88baab828713ce0b49b185444b2ee83bed373a8 to before c60033c172420179b7bbb3d1f843f8dc90164dc5` (git)
  - affected: `b88baab828713ce0b49b185444b2ee83bed373a8 to before 38a62306c4266bcb3cd89e33c7111ee33096ebb3` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.6`
  - unaffected: `before 6.6` (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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0020, the 9th percentile, on 14 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-2026-89800](https://www.cve.org/CVERecord?id=CVE-2026-89800)
- [NVD: CVE-2026-89800](https://nvd.nist.gov/vuln/detail/CVE-2026-89800)

### References from the CNA

- <https://git.kernel.org/stable/c/a129b2b875c148aba233ace8447a0c36ca3bae07>
- <https://git.kernel.org/stable/c/196ce9e5e93202da097062be24e404984dbc5ac2>
- <https://git.kernel.org/stable/c/1101cbfe7f342e5eaaf7444965d4f1215abdac4c>
- <https://git.kernel.org/stable/c/c60033c172420179b7bbb3d1f843f8dc90164dc5>
- <https://git.kernel.org/stable/c/38a62306c4266bcb3cd89e33c7111ee33096ebb3>

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-2026-89800>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89800/>. Everything for agents: <https://agentprime.io/llms.txt>.