# ACPICA: validate handler object type in two places

CVE record · `CVE-2026-97450`

- **Identifiers:** `CVE-2026-97450`
- **State:** Confirmed
- **Severity:** CVSS 8.4 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 24 Sept 2026
- **Updated:** 3 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 16:04 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: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 7af2da201623ab5bc0773bd3eeb2f2345cfa1c4a` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 9d9fbf6b895a23238e4a7b1a3230f648f0d952a1` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before e98825650c2eb1605c707fd1391ceed65bb8e481` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 254e304f68dc079906ce2df4723548ffe35f682a` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before bfd981d35ed3156414fd35b4fe311d5d25cbfca6` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 4c977d57a784682dc8c6cce2f9253ef44ec28ae8` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before c5296da2d516707862f8a2dbb4b515f777e5294f` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.12`
  - unaffected: `before 2.6.12` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.222 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0014, the 3rd percentile, on 12 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-97450](https://www.cve.org/CVERecord?id=CVE-2026-97450)
- [NVD: CVE-2026-97450](https://nvd.nist.gov/vuln/detail/CVE-2026-97450)

### References from the CNA

- <https://git.kernel.org/stable/c/7af2da201623ab5bc0773bd3eeb2f2345cfa1c4a>
- <https://git.kernel.org/stable/c/9d9fbf6b895a23238e4a7b1a3230f648f0d952a1>
- <https://git.kernel.org/stable/c/e98825650c2eb1605c707fd1391ceed65bb8e481>
- <https://git.kernel.org/stable/c/254e304f68dc079906ce2df4723548ffe35f682a>
- <https://git.kernel.org/stable/c/bfd981d35ed3156414fd35b4fe311d5d25cbfca6>
- <https://git.kernel.org/stable/c/4c977d57a784682dc8c6cce2f9253ef44ec28ae8>
- <https://git.kernel.org/stable/c/c5296da2d516707862f8a2dbb4b515f777e5294f>

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-2026-97450>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97450/>. Everything for agents: <https://agentprime.io/llms.txt>.