CVE intelligence and bounded remediation

CVE-2019-14898 — The fix for CVE-2019-11599, affecting the Linux kernel before 5.0.10 was not complete

High CVSS 7

The fix for CVE-2019-11599, affecting the Linux kernel before 5.0.10 was not complete. A local user could use this flaw to obtain sensitive information, cause a denial of service, or possibly have other unspecified impacts by triggering a race condition with mmget_not_zero or get_task_mm calls.

Severity
High
CVSS
7 (3.1)
Published
2020-05-08
CISA KEV
Not currently listed
Ecosystem
linux/kernel
Weaknesses
CWE-362, CWE-667

Affected products

  • linux / linux_kernel / 5.0.10
  • redhat / enterprise_mrg / 2.0

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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