Vulnerability Description
A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A malicious application may be able to execute arbitrary code with kernel privileges.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 15.2 |
| Apple | Iphone Os | < 15.2 |
| Apple | Mac Os X | >= 10.15, <= 10.15.7 |
| Apple | Macos | >= 11.0, < 11.6.2 |
| Apple | Watchos | < 8.3 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/165670/XNU-Kernel-mach_msg-Use-After-Free.h
- https://support.apple.com/en-us/HT212975
- https://support.apple.com/en-us/HT212976
- https://support.apple.com/en-us/HT212978
- https://support.apple.com/en-us/HT212979
- https://support.apple.com/en-us/HT212980
- https://support.apple.com/en-us/HT212981
- http://packetstormsecurity.com/files/165670/XNU-Kernel-mach_msg-Use-After-Free.h
- https://support.apple.com/en-us/HT212975
- https://support.apple.com/en-us/HT212976
- https://support.apple.com/en-us/HT212978
- https://support.apple.com/en-us/HT212979
- https://support.apple.com/en-us/HT212980
- https://support.apple.com/en-us/HT212981
FAQ
What is CVE-2021-30949?
CVE-2021-30949 is a vulnerability with a CVSS score of 7.8 (HIGH). A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPa...
How severe is CVE-2021-30949?
CVE-2021-30949 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-30949?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Mac Os X, Apple Macos, Apple Watchos.