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Fencer Vulns
high 8.4

CVE-2023-31323 json

Type confusion in the AMD Secure Processor (ASP) could allow an attacker to pass a malformed argument to the External Global Memory Interco…

published 2026-02-12 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2023-35634

cvss
8.4
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 4%
public exploits
0
none known

Summary

Type confusion in the AMD Secure Processor (ASP) could allow an attacker to pass a malformed argument to the External Global Memory Interconnect Trusted Agent (XGMI TA) leading to a memory safety violation 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™ MI250 ROCm 6.2
  • AMD AMD Instinct™ MI300A ROCm 6.2
  • AMD AMD Instinct™ MI210 ROCm 6.2
  • AMD AMD Instinct™ MI300X ROCm 6.2

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
8 mo ago

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 8.4 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L
CNA 4.0 8.4 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/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

Affected products

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

Classification

Weakness
  • CWE-843 Access of Resource Using Incompatible Type

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.