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Fencer Vulns
high 7.8

CVE-2023-31324 json

A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to modify External Global Mem…

published 2026-02-11 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2023-35635

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 1%
public exploits
0
none known

Summary

A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to modify External Global Memory Interconnect Trusted Agent (XGMI TA) commands as they are processed potentially resulting in loss of confidentiality, integrity, or availability.

Patch / fix

  • AMD AMD Radeon™ RX 5000 Series Graphics Products AMD Software: Adrenalin Edition 25.6.1 (25.10.13.01), AMD Software: PRO Edition 25.Q2 (25.10.10)
  • AMD AMD Radeon™ PRO W5000 Series Graphics Products AMD Software: Adrenalin Edition 25.6.1 (25.10.13.01), AMD Software: PRO Edition 25.Q2 (25.10.10)
  • AMD AMD Instinct™ MI210 ROCm 6.4
  • AMD AMD Instinct™ MI250 ROCm 6.4
  • AMD AMD Instinct™ MI300A ROCm 6.4
  • AMD AMD Instinct™ MI300X ROCm 6.4

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
8 mo ago

Exploit prediction

0.11% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 7.1 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L
CNA 4.0 7.1 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

  • AMD AMD Radeon™ RX 5000 Series Graphics Products
  • AMD AMD Radeon™ PRO W5000 Series Graphics Products
  • AMD AMD Instinct™ MI210
  • AMD AMD Instinct™ MI250
  • AMD AMD Instinct™ MI300A
  • AMD AMD Instinct™ MI300X

Classification

Weakness
  • CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.