# drm: Fix drm_crtc_commit leak if signaled when PAGE_FLIP_EVENT is used

CVE record · `CVE-2026-89816`

- **Identifiers:** `CVE-2026-89816`
- **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: `24835e442f289813aa568d142a755672a740503c to before c5517b71101f61a45144e3cf77a19626355272de` (git)
  - affected: `24835e442f289813aa568d142a755672a740503c to before 866a04137dac7e82a3848851061ff7ed15c2847e` (git)
  - affected: `24835e442f289813aa568d142a755672a740503c to before 6a6a7aae4681a20cd32789fea9a487aaafa0e7a3` (git)
  - affected: `24835e442f289813aa568d142a755672a740503c to before e2f27b5ed9084feb7bae9ef2bc80de37c92280b1` (git)
  - affected: `24835e442f289813aa568d142a755672a740503c to before ff73f5f43d032c3da3c534c517f661e8dfeb358a` (git)
  - affected: `24835e442f289813aa568d142a755672a740503c to before 66b1b309886337745d395bbc158440ab196305ce` (git)
  - affected: `24835e442f289813aa568d142a755672a740503c to before e6195b941fdc8d81fc431c9f25539cf6c6234b51` (git)
  - affected: `24835e442f289813aa568d142a755672a740503c to before 4d4be202165e832d74849b4a68e289a2a377039c` (git)
  - affected: `c75fe7899538890109aad7bbf92b2f304389e825` (git)
  - affected: `2a3241044b1c4ecc13f73b7158881881fb7534a1` (git)
  - affected: `4.9.19 to before 4.10` (semver)
  - affected: `4.10.7 to before 4.11` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.11`
  - unaffected: `before 4.11` (semver)
  - unaffected: `5.10.270 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (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:** 0.0022, the 12th 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-2026-89816](https://www.cve.org/CVERecord?id=CVE-2026-89816)
- [NVD: CVE-2026-89816](https://nvd.nist.gov/vuln/detail/CVE-2026-89816)

### References from the CNA

- <https://git.kernel.org/stable/c/c5517b71101f61a45144e3cf77a19626355272de>
- <https://git.kernel.org/stable/c/866a04137dac7e82a3848851061ff7ed15c2847e>
- <https://git.kernel.org/stable/c/6a6a7aae4681a20cd32789fea9a487aaafa0e7a3>
- <https://git.kernel.org/stable/c/e2f27b5ed9084feb7bae9ef2bc80de37c92280b1>
- <https://git.kernel.org/stable/c/ff73f5f43d032c3da3c534c517f661e8dfeb358a>
- <https://git.kernel.org/stable/c/66b1b309886337745d395bbc158440ab196305ce>
- <https://git.kernel.org/stable/c/e6195b941fdc8d81fc431c9f25539cf6c6234b51>
- <https://git.kernel.org/stable/c/4d4be202165e832d74849b4a68e289a2a377039c>

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-2026-89816>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89816/>. Everything for agents: <https://agentprime.io/llms.txt>.