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Vulnerability ID

CVE-2026-31649

AI Exploitable

Integer overflow in net/stmmac

ProductLinux kernel

CVSS 3.1Critical9.8

EPSS0.46%

Has public PoCNo

AI Exploitability

A working PoC was successfully generated by AI

Working AI PoC: Yes
Cheapest run: $44.46
Fastest run: 1.8 hr

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Overview

net: stmmac: fix integer underflow in chain mode The jumbo_frm() chain-mode implementation unconditionally computes

CWE: CWE-190
Weakness: Integer Overflow or Wraparound
Component: net/stmmac
Impact: Not stated
Published: 2026-04-24
Fixed version: 7.0

Risk factors

In-the-WildNot observed

CISA KEVNot listed

Public ExploitNone known

Ransomware useNone known

Severity

CVSS 3.1Only version published

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability

Attack VectorNetwork

ComplexityLow

Privileges RequiredNone

User InteractionNone

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

EPSS

Chance of exploitation in the next 30 days

0.46%

SSVC

Stakeholder-specific vulnerability categorization

Not scored. CISA publishes an SSVC decision for a subset of CVEs.