CVE intelligence and bounded remediation

CVE-2023-34419 — Lenovo Legion 5 Pro 16Iah7H Firmware security vulnerability

Medium CVSS 6.7

A buffer overflow has been identified in the SetupUtility driver in some Lenovo Notebook products which may allow an attacker with local access and elevated privileges to execute arbitrary code.

Severity
Medium
CVSS
6.7 (3.1)
Published
2023-08-17
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-120

Affected products

  • lenovo / legion_5_pro_16iah7h_firmware
  • lenovo / legion_5_pro_16iah7_firmware
  • lenovo / legion_5_pro_16arh7_firmware
  • lenovo / legion_5_pro_16arh7h_firmware
  • lenovo / legion_5_15arh7_firmware
  • lenovo / legion_5_15arh7h_firmware

Showing 6 representative product identities from 30 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Buffer bounds, memory safety, and memory corruption

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Check exposure

  • Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
  • Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
  • Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.

Remediate safely

  • Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
  • Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
  • Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.

Authoritative sources

Complete CVE record and remediation plan

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