The vulnerability of the bpf_tail_call() function in the BPF subsystem of Linux’s operating systems allows a hacker to gain unauthorized access to data.

The vulnerability of the bpftailcall function in the BPF subsystem of Linux kernels involves copying buffers without checking the size of the input data. Exploiting this vulnerability can allow an attacker to gain unauthorized access to data...

CVE-2022-2905: Out-of-bounds Read

An out-of-bounds memory read flaw was found in the Linux kernel's BPF subsystem in how a user calls the bpftailcall function with a key larger than the maxentries of the map. This flaw allows a local user to gain unauthorized access to data...