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Vulnerability ID

CVE-2026-23304

AI Exploitable

Null pointer dereference in ipv6

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: $22.32
Fastest run: 2.1 hr

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Overview

ipv6: fix NULL pointer deref in ip6_rt_get_dev_rcu() l3mdev_master_dev_rcu() can return NULL when the slave device is being un-slaved from a VRF. All other callers deal with this, but we lost the fallback to loopback in ip6_rt_pcpu_alloc() -> ip6_rt_get_dev_rcu() with commit 4832c30d5458 ("net: ipv6: put host and anycast routes on device with address").

CWE: CWE-476
Weakness: NULL Pointer Dereference
Component: ipv6
Impact: Not stated
Published: 2026-03-25
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

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.