CVE-2021-30922 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
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-30922?
CVE-2021-30922 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, with no action from the victim.
Official description
Multiple out-of-bounds write issues were addressed with improved bounds checking. This issue is fixed in 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-2021-30922?
It affects 2 products.
Products include Apple Mac Os X, Apple Macos.
How do I fix CVE-2021-30922?
No fix has been published for CVE-2021-30922 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-2021-30922 being exploited?
There is no known exploitation of CVE-2021-30922 in the wild and no public exploit code.