# ACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op)

CVE record · `CVE-2026-97451`

- **Identifiers:** `CVE-2026-97451`
- **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 6da963ed4c3de0963c23809af3194323328080d2` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before e539003886b34c8109574820b9ba67f0dbe62a12` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 9010ad440f970e684324d507510415a67bc125e4` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 4532c9cf006bb6323957897455b6a5ab45957a19` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before d0d89f2e16a874e0f8fb17045da293e8bedf8b21` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before b96401812cbfbb4803faabeefa1f20b8562268b3` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 0e2021f49e64b3c8a9aa880d0c62a218bfe147ce` (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-2026-97451](https://www.cve.org/CVERecord?id=CVE-2026-97451)
- [NVD: CVE-2026-97451](https://nvd.nist.gov/vuln/detail/CVE-2026-97451)

### References from the CNA

- <https://git.kernel.org/stable/c/6da963ed4c3de0963c23809af3194323328080d2>
- <https://git.kernel.org/stable/c/e539003886b34c8109574820b9ba67f0dbe62a12>
- <https://git.kernel.org/stable/c/9010ad440f970e684324d507510415a67bc125e4>
- <https://git.kernel.org/stable/c/4532c9cf006bb6323957897455b6a5ab45957a19>
- <https://git.kernel.org/stable/c/d0d89f2e16a874e0f8fb17045da293e8bedf8b21>
- <https://git.kernel.org/stable/c/b96401812cbfbb4803faabeefa1f20b8562268b3>
- <https://git.kernel.org/stable/c/0e2021f49e64b3c8a9aa880d0c62a218bfe147ce>

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-2026-97451>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97451/>. Everything for agents: <https://agentprime.io/llms.txt>.