cve/2021/CVE-2021-20268.md

CVE-2021-20268

Description

An out-of-bounds access flaw was found in the Linux kernel's implementation of the eBPF code verifier in the way a user running the eBPF script calls dev_map_init_map or sock_map_alloc. This flaw allows a local user to crash the system or possibly escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

POC

Reference

No PoCs from references.

Github

• https://github.com/dylandreimerink/gobpfld