Unrestricted eBPF Usage Vulnerability in Linux Kernel's BPF Subsystem

Unrestricted eBPF Usage Vulnerability in Linux Kernel's BPF Subsystem

CVE-2022-0500 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds memory write in the Linux kernel’s BPF subsystem due to the way a user loads BTF. This flaw allows a local user to crash or escalate their privileges on the system.

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