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Fencer Vulns
medium 6.8

CVE-2023-31309 json

Improper validation in Power Management Firmware (PMFW) may allow an attacker with privileges to pass malformed workload arguments when exp…

published 2026-05-15 5 mo ago modified 2026-10-28 11 d ago also EUVD-2023-35620

cvss
6.8
version 4.0, CNA
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

Improper validation in Power Management Firmware (PMFW) may allow an attacker with privileges to pass malformed workload arguments when exporting table data from SMU to DRAM potentially resulting in a loss of confidentiality and/or availability.

Patch / fix

  • AMD AMD Radeon™ RX 6000 Series Graphics Products AMD Software: Adrenalin Edition 23.12.1 (23.30.13.01)
  • AMD AMD Radeon™ PRO W6000 Series Graphics Products AMD Software: PRO Edition 23.Q4

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
5 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 6.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N
CNA 4.0 6.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N/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 6000 Series Graphics Products
  • AMD AMD Radeon™ PRO W6000 Series Graphics Products
  • AMD AMD Radeon™ PRO V520
  • AMD AMD Radeon™ PRO V620

Classification

Weakness
  • CWE-129 Improper Validation of Array Index

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.