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TI-2024-36204 Aliases CVE-2024-54084GHSA-4prc-vpwg-w736

SMM Arbitrary Write via TOCTOU Vulnerability

Priority LOW 34CWE-367Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exploitation of this vulnerability may lead to arbitrary code execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00116 1st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AMIAptioVBKS_5.0 – BKS_5.38—No fix listedCNA
  • AptioV VendorAMI Affected BKS_5.0 – BKS_5.38 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:ami:aptio_v:*:*:*:*:*:*:*:*5.0 to before 5.038VulnerableAMI
  • cpe:2.3:o:ami:aptio_v:*:*:*:*:*:*:*:* Versions 5.0 to before 5.038 Vulnerable ·AMI

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-54084
  2. 2026-10-03 Alias added: GHSA-4prc-vpwg-w736

References

Advisory 1

  • TI-2022-19108 The arbitrary write vulnerability in S3Resume2Pei leads to arbitrary code execution during PEI phase. CVSS 3.1HIGH 8.2
  • TI-2022-19103 Stack overflow vulnerability in SMI handler on SmmSmbiosElog. CVSS 3.1HIGH 8.8
  • TI-2022-19107 SMM memory corruption vulnerability in OverClockSmiHandler SMM driver CVSS 3.1HIGH 8.2
  • TI-2022-10117 Stack-based buffer overflow in AMI Aptio CVSS 3.1HIGH 8.2
  • TI-2024-28413 Runtime Service Access outside SMRAM CVSS 3.1HIGH 8.8
  • TI-2025-24038 Legacy Serial Redirection SMRAM Vulnerabilities CVSS 3.1HIGH 8.2
See all 29 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences