CVE-2023-52843

In the Linux kernel, the following vulnerability has been resolved: llc: verify mac len before reading mac header LLC reads the mac header with ethhdr without verifying that the skb has an Ethernet header. Syzbot was able to enter llcrcv on a tun device. Tun can insert packets without mac len and...

Kernel: llc: information leak via getsockname

The llcuigetname function in net/llc/afllc.c in the Linux kernel before 3.6 has an incorrect return value in certain circumstances, which allows local users to obtain sensitive information from kernel stack memory via a crafted application that leverages an uninitialized pointer argument...