CVE-2021-30901 Memory corruption in macOS
A malicious application can execute arbitrary code with kernel privileges due to out-of-bounds write issues in macOS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-30901?
CVE-2021-30901 is a high-severity memory corruption vulnerability in Apple Mac Os X, published on 24 Aug 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Multiple out-of-bounds write issues were addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.
Weakness: CWE-787
Which versions are affected by CVE-2021-30901?
It affects 2 products.
Products include Apple Mac Os X, Apple Macos.
How do I fix CVE-2021-30901?
No fix has been published for CVE-2021-30901 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-2021-30901 being exploited?
There is no known exploitation of CVE-2021-30901 in the wild and no public exploit code.