CVE-2022-4744 (High) detected in linux-stable-rtv4.1.33

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

CVE-2022-4744 - High Severity Vulnerability

Vulnerable Library - linux-stable-rtv4.1.33

Julia Cartwright's fork of linux-stable-rt.git

Library home page: https://git.kernel.org/pub/scm/linux/kernel/git/julia/linux-stable-rt.git

Found in HEAD commit: 2a4fd3afc623ae79fea13880ff39350d42fea4e6

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

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.