Explore Insights How it works Contact us

© 2026 Anyday Security

FAQ Privacy Policy Terms of Use

Product names, logos and brands are property of their respective owners. They are used here for identification only and imply no affiliation or endorsement.

Explore Insights How it works Contact us

Vulnerability ID

CVE-2026-46086

AI Exploitable

Null pointer dereference in net/bridge

ProductLinux kernel

CVSS 3.1Medium5.5

EPSS0.13%

Has public PoCNo

AI Exploitability

A working PoC was successfully generated by AI

Working AI PoC: Yes
Cheapest run: $25.79
Fastest run: 2.2 hr

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Overview

net: bridge: use a stable FDB dst snapshot in RCU readers Local FDB entries can be rewritten in place by `fdb_delete_local()`, which updates `f->dst` to another port or to `NULL` while keeping the entry alive. Several bridge RCU readers inspect `f->dst`, including `br_fdb_fillbuf()` through the `brforward_read()` sysfs path.

CWE: CWE-476
Weakness: NULL Pointer Dereference
Component: net/bridge
Impact: Not stated
Published: 2026-05-27
Fixed version: 7.1

Risk factors

In-the-WildNot observed

CISA KEVNot listed

Public ExploitNone known

Ransomware useNone known

Severity

CVSS 3.1Only version published

5.5Medium

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

Exploitability

Attack VectorLocal

ComplexityLow

Privileges RequiredLow

User InteractionNone

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

EPSS

Chance of exploitation in the next 30 days

0.13%

SSVC

Stakeholder-specific vulnerability categorization

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