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Vulnerability ID

CVE-2026-31421

AI Exploitable

Null pointer dereference in net/sched/cls_fw

ProductLinux kernel
CVSS 3.1Medium5.5
EPSS0.12%
Has public PoCNo
AI Exploitability

A working PoC was successfully generated by AI

Working AI PoC
Yes
Cheapest run
$18.08
Fastest run
1.8 hr
Model MatrixCapability BreakdownVulnerability DetailsTimelineCommunity
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Model MatrixCapability BreakdownVulnerability DetailsTimelineCommunity

Disclosure & Exploitation Timeline

Key events from initial disclosure through public availability and AI exploitation.

  1. Apr 2, 2026

    Public code fix

    The fix lands in the vendor's public source.

  2. Apr 13, 2026

    CVE published

    The vulnerability was published at NVD.

  3. Nov 5, 2026

    AI PoC confirmed

    Anyday generated a working PoC.