CVE-2023-53068

MEDIUM

Linux Kernel - Use-After-Free in lan78xx USB Network Driver

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: Limit packet length to skb->len Packet length retrieved from descriptor may be larger than the actual socket buffer length. In such case the cloned skb passed up the network stack will leak kernel memory contents. Additionally prevent integer underflow when size is less than ETH_FCS_LEN.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/83de34967473ed31d276381373713cc2869a42e5

Patch

https://git.kernel.org/stable/c/44b9ed73369fc5ec85dd2ee487e986301792a82d

Patch

https://git.kernel.org/stable/c/7f247f5a2c18b3f21206cdd51193df4f38e1b9f5

Scores

CVSS v3 5.5

EPSS 0.0016

EPSS Percentile 5.2%

Attack Vector LOCAL

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

Details

CWE

CWE-401

Status published

Products (10)

Linux/Linux < 4.3

Linux/Linux 4.3

Linux/Linux 55d7de9de6c30adce8d675c7ce513e283829c2ff - 44b9ed73369fc5ec85dd2ee487e986301792a82d

Linux/Linux 55d7de9de6c30adce8d675c7ce513e283829c2ff - 7f247f5a2c18b3f21206cdd51193df4f38e1b9f5

Linux/Linux 55d7de9de6c30adce8d675c7ce513e283829c2ff - 83de34967473ed31d276381373713cc2869a42e5

Linux/Linux 6.1.22 - 6.1.*

Linux/Linux 6.2.9 - 6.2.*

Linux/Linux 6.3

linux/linux_kernel 6.3 rc1 (3 CPE variants)

linux/linux_kernel 4.3 - 6.1.22

Published May 02, 2025

Tracked Since Feb 18, 2026