CVE-2023-53708 ACPI: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects
A memory leak in the Linux kernel's ACPI s2idle handler allows local attackers to cause denial of service via crafted firmware.
- 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-2023-53708?
CVE-2023-53708 is a memory corruption vulnerability in Linux, published on 22 Oct 2025. 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:
ACPI: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects
If a badly constructed firmware includes multiple `ACPI_TYPE_PACKAGE` objects while evaluating the AMD LPS0 _DSM, there will be a memory leak. Explicitly guard against this.
Which versions are affected by CVE-2023-53708?
How do I fix CVE-2023-53708?
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-2023-53708 being exploited?
There is no known exploitation of CVE-2023-53708 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2023-53708, DEBIAN-CVE-2023-53708, GHSA-2f48-8mh4-9hm3, UBUNTU-CVE-2023-53708.