CVE-2024-55567 Memory corruption in n/a
Attackers can exploit improper input validation in the USB core to write arbitrary memory and execute code at System Management Mode level.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-55567?
CVE-2024-55567 is a high-severity memory corruption vulnerability in Insyde Insydeh2o, published on 12 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper input validation was discovered in UsbCoreDxe in Insyde InsydeH2O kernel 5.4 before 05.47.01, 5.5 before 05.55.01, 5.6 before 05.62.01, and 5.7 before 05.71.01. The SMM module has an SMM call out vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.
Weakness: CWE-20
Which versions are affected by CVE-2024-55567?
It affects 1 product.
Products include Insyde Insydeh2o.
How do I fix CVE-2024-55567?
No fix has been published for CVE-2024-55567 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-55567 being exploited?
There is no known exploitation of CVE-2024-55567 in the wild and no public exploit code.
Other vulnerabilities in Insyde Insydeh2o
Sources
Also known as GHSA-7p8h-xj83-qmvw.