Home/CVE/A memory corruption vulnerability was addressed with improved locking. This issue is fixed in macOS Monterey 12.5, macOS
CVE

CVE-2022-32811

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in macOS Monterey 12.5, macOS

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in macOS Monterey 12.5, macOS Big Sur 11.6.8, Security Update 2022-005 Catalina. An app may be able to execute arbitrary code with kernel privileges.

HIGH · CVSS 7.8 EPSS 0.00047
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-667Improper Locking
CWE-667Improper Locking
▤

Affected Products & Versions

5
apple mac os xall versions
apple macos< 10.15.7
apple macos>= 11.0 and < 11.6.8
apple macos>= 12.0 and < 12.5
apple macosall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · product-security@apple.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Aug 2022 · 08:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.apple.com/en-us/HT213343Release NotesVendor Advisory
https://support.apple.com/en-us/HT213344Release NotesVendor Advisory
https://support.apple.com/en-us/HT213345Release NotesVendor Advisory
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