CVE-2022-30771 Memory corruption in n/a
A memory corruption vulnerability in the PnpSmm initialization function allows attackers to corrupt SMRAM, potentially leading to code execution or privilege escalation.
- 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-2022-30771?
CVE-2022-30771 is a high-severity memory corruption vulnerability in n/a, published on 15 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions. This issue was discovered by Insyde engineering during a security review. Fixed in: Kernel 5.1: Version 05.17.25 Kernel 5.2: Version 05.27.25 Kernel 5.3: Version 05.36.25 Kernel 5.4: Version 05.44.25 Kernel 5.5: Version 05.52.25 https://www.insyde.com/security-pledge/SA-2022064
Weakness: CWE-787
Which versions are affected by CVE-2022-30771?
It affects 1 product.
Products include Insyde Kernel.
How do I fix CVE-2022-30771?
No fix has been published for CVE-2022-30771 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-2022-30771 being exploited?
There is no known exploitation of CVE-2022-30771 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-g7g9-7hvj-xfqf.