CVE-2023-53068

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinux55d7de9de6c30adce8d675c7ce513e283829c2ff < 83de34967473ed31d276381373713cc2869a42e5affected
LinuxLinux55d7de9de6c30adce8d675c7ce513e283829c2ff < 44b9ed73369fc5ec85dd2ee487e986301792a82daffected
LinuxLinux55d7de9de6c30adce8d675c7ce513e283829c2ff < 7f247f5a2c18b3f21206cdd51193df4f38e1b9f5affected
LinuxLinux4.3affected
LinuxLinux0 < 4.3unaffected
LinuxLinux6.1.22 <= 6.1.*unaffected
LinuxLinux6.2.9 <= 6.2.*unaffected
LinuxLinux6.3 <= *unaffected

Weaknesses

References