CVE intelligence and bounded remediation

CVE-2022-42832 — A race condition was addressed with improved locking

Medium CVSS 6.4

A race condition was addressed with improved locking. This issue is fixed in iOS 16.1 and iPadOS 16, macOS Ventura 13. An app with root privileges may be able to execute arbitrary code with kernel privileges.

Severity
Medium
CVSS
6.4 (3.1)
Published
2022-11-01
CISA KEV
Not currently listed
Ecosystem
apple/platform
Weaknesses
CWE-362

Affected products

  • apple / ipados
  • apple / iphone_os
  • apple / macos

Matched remediation archetype

Race condition, TOCTOU, and lifecycle synchronization

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Check exposure

  • Map concurrent actors, shared state, lock boundaries, signals, callbacks, retries, and check-then-use sequences in the affected path.
  • Determine whether untrusted users can influence timing, object names, filesystem state, or repeated state transitions.
  • Identify clustered and multi-process behavior that repository-local tests may not represent.

Remediate safely

  • Make the sensitive state transition atomic or protect it with a consistently ordered synchronization primitive.
  • Perform authorization and invariant checks on the same authoritative object and transaction used for the operation.
  • Use unique private resources, safe ownership transfer, and idempotent operations; add deterministic concurrency regression tests.

Authoritative sources

Complete CVE record and remediation plan

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