CVE-2023-53068: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: from 4.3, before 6.1.22 (fixed in 6.1.22); from 6.2, before 6.2.9 (fixed in 6.2.9); version 6.3 only

Published 2025-05-02. Last modified 2026-06-17.