An out-of-bounds read issue existed that led to the disclosure of kernel memory.
Affects the Graphics Drivers component on macOS Catalina and Big Sur, and the Intel Graphics Driver on macOS Monterey. Fixed in Security Update 2022-004 Catalina and in later macOS releases.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in 12.3, 2022, 11.6
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
This vulnerability affects Apple's macOS operating system, including the Monterey, Big Sur, and Catalina releases. A local user could exploit it to read sensitive kernel memory, which may expose information the user should not be able to access.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Monterey 12.3.1, Security Update 2022-004 Catalina, macOS Big Sur 11.6.6. A local user may be able to read kernel memory.
Timeline
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- CVE published
- Record last updated
Affected versions
- Apple macOS
From unspecified · fixed in 12.3
- Apple macOS
From unspecified · fixed in 2022
- Apple macOS
From unspecified · fixed in 11.6
References 3
support.apple.com
Questions about CVE-2022-22674
What does this mean?
An out-of-bounds read flaw lets code read past the intended memory boundary, which discloses the contents of kernel memory.Source: support.apple.com, support.apple.com, support.apple.com
Am I affected, and how do I check?
The advisory lists the Graphics Drivers component on macOS Catalina and Big Sur, and the Intel Graphics Driver component on macOS Monterey. To check a Mac, look at the macOS version under Apple menu > About This Mac.Source: support.apple.com, support.apple.com, support.apple.com
What should I do about it?
Install the fixed release for the macOS version in use: Security Update 2022-004 for Catalina, macOS 11.6 or later for Big Sur, or macOS 12.3 or later for Monterey.Source: support.apple.com, support.apple.com, support.apple.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2022-04-04, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data