Use-after-free in macOS - CVE-2020-9975
Published: May 14, 2021
Vulnerability identifier: #VU53260
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-9975
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the OS Kernel subsystem. A local user can run a specially crafted program to trigger a use-after-free error and execute arbitrary code with kernel privileges.
Affected software
macOS
How to mitigate CVE-2020-9975
Install updates from vendor's website.
macOS - addressed in versions 10.14.6 18G7016, 10.15.7 19H114