CVE-2026-97453 ACPICA: validate byte_count in acpi_ps_get_next_package_length()

Not scored Published Updated

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.

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