CVE-2026-97453 ACPICA: validate byte_count in acpi_ps_get_next_package_length()
An integer overflow in the Linux kernel's ACPICA component allows local attackers to cause a denial of service via malformed ACPI tables.
- 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-2026-97453?
CVE-2026-97453 is a 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: validate byte_count in acpi_ps_get_next_package_length()
Validate package length reading in acpi_ps_get_next_package_length().
Which versions are affected by CVE-2026-97453?
How do I fix CVE-2026-97453?
Apply the vendor's patch.
Is CVE-2026-97453 being exploited?
There is no known exploitation of CVE-2026-97453 in the wild and no public exploit code.
Sources
Also known as AZL-103748, BELL-CVE-2026-97453, DEBIAN-CVE-2026-97453, GHSA-c6qm-frqx-766w, UBUNTU-CVE-2026-97453.