CVE-2023-53068

Medium

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.

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedMay 2, 2025
First seenMay 2, 2025

How to fix

Update
  • linux linux_kernel6.1.22, 6.2.9 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel4.3 ≤ v < 6.1.22, 6.2 ≤ v < 6.2.9, 6.36.1.22, 6.2.9

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