CVE-2026-97452 ACPICA: Prevent adding invalid references
A flaw in the Linux kernel's ACPICA component allows invalid references to be added, potentially leading to a null pointer dereference and system crash.
- 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-2026-97452?
CVE-2026-97452 is a high-severity 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: Prevent adding invalid references
Prevent adding references for local, argument, and debug objects in acpi_ut_copy_simple_object().
Which versions are affected by CVE-2026-97452?
How do I fix CVE-2026-97452?
Apply the vendor's patch.
Is CVE-2026-97452 being exploited?
There is no known exploitation of CVE-2026-97452 in the wild and no public exploit code.
Sources
Also known as AZL-104012, BELL-CVE-2026-97452, DEBIAN-CVE-2026-97452, GHSA-8rm8-m5r5-87hr, UBUNTU-CVE-2026-97452.