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eBPF CVE-2021-3490

The eBPF chain first performs a kernel version check to establish if the exploit will launch in the environment. If the kernel version is vulnerable, it then ingresses the exploit payload, launching a privileged Pneuma agent.

2021-11-09

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Authors:xanthonus, chompie1337, _manfp

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TTPs

Compare linux kernel versions
Get linux kernel version
Spawn elevated Pneuma via CVE-2021-3490 (eBPF)

Tactics

User-Set Custom Variables

  • exploitable.version: 5.11.0-17
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