CVE intelligence and bounded remediation

CVE-2017-8279 — Google Android security vulnerability

High CVSS 7.5

In android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, missing race condition protection while updating msg mask table can lead to buffer over-read. Also access to freed memory can happen while updating msg_mask information.

Severity
High
CVSS
7.5 (3.0)
Published
2017-11-16
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-362

Affected products

  • google / android

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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