AUGUST 4, 2026
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Case File

CVE-2022-4744

HIGH · CVSS 7.8 EPSS 0.46% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-03-30 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

External Security References
packetstormsecurity.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2022-4744
Severity
HIGH
CVSS
7.8
EPSS
0.46%
Linux

Original NVD Description

A double-free flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user registers the device when the register_netdevice function fails (NETDEV_REGISTER notifier). This flaw allows a local user to crash or potentially escalate their privileges on the system.