---
title: "CVE-2026-97445: Linux Kernel - Buffer Overflow"
description: "Linux kernel contains a buffer overflow vulnerability caused by insufficient buffer validation in acpi_ut_walk_aml_resources(), letting attackers potentially cause memory corruption, exploit requires crafted input to the ACPI subsystem."
url: https://panop.io/threat-heartbeat/CVE-2026-97445/
---

# CVE-2026-97445 Linux Kernel - Buffer Overflow

Linux kernel contains a buffer overflow vulnerability caused by insufficient buffer validation in acpi\_ut\_walk\_aml\_resources(), letting attackers potentially cause memory corruption, exploit requires crafted input to the ACPI subsystem.

CVSS base score 7.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.16% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-97445)

## Details

Type

Buffer Overflow

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Published

24 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version with the fix for acpi\_ut\_walk\_aml\_resources() buffer validation.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-97445](https://nvd.nist.gov/vuln/detail/CVE-2026-97445)
- [https://git.kernel.org/stable/c/f65e2ef7ccca11dc874f48aff996a6a26528f8e7](https://git.kernel.org/stable/c/f65e2ef7ccca11dc874f48aff996a6a26528f8e7)
- [https://git.kernel.org/stable/c/37c794f87a72471f7ef71633ac0550ad14ac0885](https://git.kernel.org/stable/c/37c794f87a72471f7ef71633ac0550ad14ac0885)
- [https://git.kernel.org/stable/c/50a11e2f3dc8a7189e7ebbd3eeafa51f16128a56](https://git.kernel.org/stable/c/50a11e2f3dc8a7189e7ebbd3eeafa51f16128a56)
- [https://git.kernel.org/stable/c/816badec122fe01d05265f2d306212739f5d3fdb](https://git.kernel.org/stable/c/816badec122fe01d05265f2d306212739f5d3fdb)
- [https://git.kernel.org/stable/c/cd60a407a3a6d75347a04f9271b7b561d06d21c8](https://git.kernel.org/stable/c/cd60a407a3a6d75347a04f9271b7b561d06d21c8)
- [https://git.kernel.org/stable/c/b2e21fe8c3361c3d0d57ee56d359bea9b51fda3d](https://git.kernel.org/stable/c/b2e21fe8c3361c3d0d57ee56d359bea9b51fda3d)
- [https://git.kernel.org/stable/c/d0fb1973f705c8b8bd7e118e4a9a65d05d800fba](https://git.kernel.org/stable/c/d0fb1973f705c8b8bd7e118e4a9a65d05d800fba)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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