CVE intelligence and bounded remediation

CVE-2022-1890 — Lenovo Thinkbook 14-Iml Firmware security vulnerability

High CVSS 7.8

A buffer overflow in the ReadyBootDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.

Severity
High
CVSS
7.8 (3.1)
Published
2023-01-26
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-122, CWE-787

Affected products

  • lenovo / thinkbook_14-iml_firmware
  • lenovo / thinkbook_14-iil_firmware
  • lenovo / thinkbook_15-iil_firmware
  • lenovo / thinkbook_15-iml_firmware
  • lenovo / yoga_c640-13iml_lte_firmware
  • lenovo / yoga_c640-13iml_firmware

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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