# ACPICA: Fix use-after-free in acpi_ds_terminate_control_method()

CVE record · `CVE-2026-97455`

- **Identifiers:** `CVE-2026-97455`
- **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 460aed7b408508a2c28ca4fdd8d90a82bb4005aa` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 3855d8992f5a88b033925cc4f6aef7a485f326cb` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 2793b1c38f0053fd9b119ce4607dd056eb05d382` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 63ca6f67816a229e07a08cac4bef1b3858abde66` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before fe7b3d3b7490c2c0119f2d84fa33996dcbc71042` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before ef5a8d939c1e5b36e75450bbb5b6348faff4dcf3` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 945e87267cfd90937b3c637f87324cbb56998b72` (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-2026-97455](https://www.cve.org/CVERecord?id=CVE-2026-97455)
- [NVD: CVE-2026-97455](https://nvd.nist.gov/vuln/detail/CVE-2026-97455)

### References from the CNA

- <https://git.kernel.org/stable/c/460aed7b408508a2c28ca4fdd8d90a82bb4005aa>
- <https://git.kernel.org/stable/c/3855d8992f5a88b033925cc4f6aef7a485f326cb>
- <https://git.kernel.org/stable/c/2793b1c38f0053fd9b119ce4607dd056eb05d382>
- <https://git.kernel.org/stable/c/63ca6f67816a229e07a08cac4bef1b3858abde66>
- <https://git.kernel.org/stable/c/fe7b3d3b7490c2c0119f2d84fa33996dcbc71042>
- <https://git.kernel.org/stable/c/ef5a8d939c1e5b36e75450bbb5b6348faff4dcf3>
- <https://git.kernel.org/stable/c/945e87267cfd90937b3c637f87324cbb56998b72>

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-2026-97455>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97455/>. Everything for agents: <https://agentprime.io/llms.txt>.