With MacOS Monterey 12.4, which brought the first non-beta version and refinement of Universal Control for Studio Display Webcam, Apple’s Big Tune 11.6.6 and Security Update 2022-004 Catalina unveiled Monday to patch a number of bugs and vulnerabilities. Was patched months ago.
There are several of the dozens of updates that could “lead to intensive code editing” that are among the most vulnerable vulnerabilities. Two of the patches came with MacOS Monterey 12.3.1 in March and were previously reported to have been exploited:
- AppleAVD
- For easy access: macOS Catalina, macOS Big Tune
- Impact: An application may be able to execute code arbitrarily with kernel privileges.
- Description: Problems written outside of a range were resolved through advanced bound checking.
- Graphics driver
- For easy access: macOS Big tune
- Impact: A local user may be able to read the kernel memory.
- Description: An out-of-bounds reading problem exists that leads to the release of kernel memory. This was solved with improved input validity.
Also, there are numerous other security patches related to a range of MacOS functions, including Intel graphics driver, Kernel, OpenSSL, Printing, WiFiAnd Webkit. You can read the full range of updates on Apple’s security page.
We recommend updating your Mac as soon as possible. To update the MacOS Big Tune or Catalina, go to System Preferences, then update the software and follow the prompts to download and install the update.
Read on for tips on how to protect your Mac: How secure is a Mac? Best Mac Security Settings