Security Advisory

CVE-2021-20268

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-03-09 17:16:14

Last updated 2024-08-03 17:37:23

Assigner redhat

State PUBLISHED

Description

An out-of-bounds access flaw was found in the Linux kernels 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.

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