CVE-2023-6039 MEDIUM

CVE-2023-6039: Kernel: use-after-free in drivers/net/usb/lan78xx.c in lan78xx_disconnect

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-416
Published November 9, 2023
Last update February 27, 2025
View on NVD All CVEs

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

A use-after-free flaw was found in lan78xx_disconnect in drivers/net/usb/lan78xx.c in the network sub-component, net/usb/lan78xx in the Linux Kernel. This flaw allows a local attacker to crash the system when the LAN78XX USB device detaches.

Key dates

02Disclosure timeline

November 9, 2023 CVE published
February 27, 2025 Record updated