---
title: "CVE-2026-97448: Linux Kernel - Use After Free"
description: "Linux kernel contains a use-after-free vulnerability caused by lack of validation for node in acpi_ns_build_normalized_path(), letting attackers cause memory corruption, exploit requires local code execution."
url: https://panop.io/threat-heartbeat/CVE-2026-97448/
---

# CVE-2026-97448 Linux Kernel - Use After Free

Linux kernel contains a use-after-free vulnerability caused by lack of validation for node in acpi\_ns\_build\_normalized\_path(), letting attackers cause memory corruption, exploit requires local code execution.

CVSS base score 7.7 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.14% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-97448)

## Details

Type

Use After Free

Impact

Privilege Escalation, 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 containing the fix.

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-2026-97448](https://nvd.nist.gov/vuln/detail/CVE-2026-97448)
- [https://git.kernel.org/stable/c/babb146ceb79e71f328788f1e2c8c7c224026e61](https://git.kernel.org/stable/c/babb146ceb79e71f328788f1e2c8c7c224026e61)
- [https://git.kernel.org/stable/c/087eed8b347e14864f8806fa1f5976c7dc2c6792](https://git.kernel.org/stable/c/087eed8b347e14864f8806fa1f5976c7dc2c6792)
- [https://git.kernel.org/stable/c/26dd27000e9540fcb594f15010b0696b03b0d240](https://git.kernel.org/stable/c/26dd27000e9540fcb594f15010b0696b03b0d240)
- [https://git.kernel.org/stable/c/90ebe7f8bb6ca1c6eadb16bed141ab8bb3dbab70](https://git.kernel.org/stable/c/90ebe7f8bb6ca1c6eadb16bed141ab8bb3dbab70)
- [https://git.kernel.org/stable/c/b06bb9b82c8f9a522dde213b1e0ddd535f22e3a2](https://git.kernel.org/stable/c/b06bb9b82c8f9a522dde213b1e0ddd535f22e3a2)
- [https://git.kernel.org/stable/c/21a73528579fcbd673b668bd27a05b658123bc1b](https://git.kernel.org/stable/c/21a73528579fcbd673b668bd27a05b658123bc1b)
- [https://git.kernel.org/stable/c/96b2b616870e46e2bc04efec03879683a0036e66](https://git.kernel.org/stable/c/96b2b616870e46e2bc04efec03879683a0036e66)

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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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