# ACPICA: Prevent adding invalid references

CVE record · `CVE-2026-97452`

- **Identifiers:** `CVE-2026-97452`
- **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 2350a6f89eca45f9219f37b331e4083f96299996` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 61cb905c33d0e0c6ff3c9c90fb269331bce8c2c0` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before d239ccf5069f892cc36b9befafda030b3ca789e6` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before c2cf936b07b0a298637e56e53ef043c7ff8eee31` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before e16d1e5fcb17dfc369e20095f8cf5e841101279e` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before a6cd2fc2d5429a5b7d5a8b9ba0e6663e8ccbc9ba` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 6e8c55e13a5e3a9f38921d62924f18ceba3330eb` (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-2026-97452](https://www.cve.org/CVERecord?id=CVE-2026-97452)
- [NVD: CVE-2026-97452](https://nvd.nist.gov/vuln/detail/CVE-2026-97452)

### References from the CNA

- <https://git.kernel.org/stable/c/2350a6f89eca45f9219f37b331e4083f96299996>
- <https://git.kernel.org/stable/c/61cb905c33d0e0c6ff3c9c90fb269331bce8c2c0>
- <https://git.kernel.org/stable/c/d239ccf5069f892cc36b9befafda030b3ca789e6>
- <https://git.kernel.org/stable/c/c2cf936b07b0a298637e56e53ef043c7ff8eee31>
- <https://git.kernel.org/stable/c/e16d1e5fcb17dfc369e20095f8cf5e841101279e>
- <https://git.kernel.org/stable/c/a6cd2fc2d5429a5b7d5a8b9ba0e6663e8ccbc9ba>
- <https://git.kernel.org/stable/c/6e8c55e13a5e3a9f38921d62924f18ceba3330eb>

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-2026-97452>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97452/>. Everything for agents: <https://agentprime.io/llms.txt>.