CVE-2022-4744 (High) detected in linuxlinux-4.6

[mend-bolt-for-github[bot]]

CVE-2022-4744 - High Severity Vulnerability

Vulnerable Library - linuxlinux-4.6

The Linux Kernel

Library home page: https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/?wsslib=linux

Found in HEAD commit: 55d3d4cefc3daba58b100af3336832311407cf6f

Found in base branch: master

Vulnerable Source Files (2)

/drivers/net/tun.c /drivers/net/tun.c

Vulnerability Details

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.

Publish Date: 2023-03-30

URL: CVE-2022-4744

CVSS 3 Score Details (7.8)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.linuxkernelcves.com/cves/CVE-2022-4744

Release Date: 2022-12-26

Fix Resolution: v5.10.136,v5.15.12,v5.16-rc7

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