CVE-2023-22615 Memory corruption in n/a
Attackers can corrupt SMRAM via IHISI subfunctions in InsydeH2O firmware, enabling privilege escalation and code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-22615?
CVE-2023-22615 is a high-severity memory corruption vulnerability in Insyde Insydeh2o, published on 11 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. IHISI subfunction execution may corrupt SMRAM. An attacker can pass an address in the RCX save state register that overlaps SMRAM, thereby coercing an IHISI subfunction handler to overwrite private SMRAM.
Weakness: CWE-787
Which versions are affected by CVE-2023-22615?
It affects 1 product.
Products include Insyde Insydeh2o.
How do I fix CVE-2023-22615?
No fix has been published for CVE-2023-22615 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-2023-22615 being exploited?
There is no known exploitation of CVE-2023-22615 in the wild and no public exploit code.
Other vulnerabilities in Insyde Insydeh2o
Sources
Also known as GHSA-xqp8-x7jr-ghp9.