CVE-2026-97445 ACPICA: Enhance buffer validation in acpi_ut_walk_aml_resources()

High 7.7 Published 24 Sep 2026 Updated 3 Oct 2026

A buffer overflow in the Linux kernel's ACPICA resource walker allows attackers to execute arbitrary code or cause a denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2026-97445?

CVE-2026-97445 is a high-severity memory corruption vulnerability in Linux, published on 24 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

ACPICA: Enhance buffer validation in acpi_ut_walk_aml_resources()

Enhance buffer validation in acpi_ut_walk_aml_resources() to prevent buffer overflows.

Which versions are affected by CVE-2026-97445?

How do I fix CVE-2026-97445?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-97445 being exploited?

There is no known exploitation of CVE-2026-97445 in the wild and no public exploit code.

Sources

Also known as AZL-103658, BELL-CVE-2026-97445, DEBIAN-CVE-2026-97445, GHSA-prc5-2499-qxqw, UBUNTU-CVE-2026-97445.