CVE-2023-31309

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 34/100
Published: 2026-05-15 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Interaction Conf. Impact

CVSS Vector Breakdown

AV: Local
AC: Low
PR: High
UI: None
S: X
AT: None
VC: High
VI: None
VA: Low

Description

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.

Weakness Classification (1)

Bug Bounty Relevance

34 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

6.8 / 10.0 v4.0
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

EPSS — Exploitation Probability

0.11%
Raw Score 0.001120
Percentile 1.4%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00112
2026-10-28
0.00112

Intelligence Sources

nvd ref →