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Vulnerability ID

CVE-2026-31682

AI Exploitable

Out-of-bounds read in bridge/br_nd_send

ProductLinux kernel

CVSS 3.1Critical9.1

EPSS0.64%

Has public PoCNo

AI Exploitability

A working PoC was successfully generated by AI

Working AI PoC: Yes
Cheapest run: $40.26
Fastest run: 1.7 hr

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Overview

bridge: br_nd_send: linearize skb before parsing ND options br_nd_send() parses neighbour discovery options from ns->opt[] and assumes that these options are in the linear part of request.

CWE: CWE-125
Weakness: Out-of-bounds Read
Component: bridge/br_nd_send
Impact: Not stated
Published: 2026-04-25
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

9.1Critical

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

Exploitability

Attack VectorNetwork

ComplexityLow

Privileges RequiredNone

User InteractionNone

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

EPSS

Chance of exploitation in the next 30 days

0.64%

SSVC

Stakeholder-specific vulnerability categorization

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