CVE intelligence and bounded remediation

CVE-2021-26352 — Amd Ryzen 5 2600 Firmware security vulnerability

Medium CVSS 5.5

Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space that could result in denial of service.

Severity
Medium
CVSS
5.5 (3.1)
Published
2022-05-10
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-119

Affected products

  • amd / ryzen_5_2600_firmware
  • amd / ryzen_5_2600x_firmware
  • amd / ryzen_5_2700x_firmware
  • amd / ryzen_5_2700_firmware
  • amd / ryzen_5_3600_firmware
  • amd / ryzen_5_3600x_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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