evaluate CVE-2021-30465 for Kata Containers

Bug #1930431 reported by Eric
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Kata Containers
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Bug Description

See https://access.redhat.com/security/cve/cve-2021-30465

Let's evaluate the impact and apply mitigations if relevant.

CVE References

Revision history for this message
Peng Tao (bergwolf) wrote :

A few points w.r.t. CVE-2021-30465:
1. It needs k8s subpath to expolit the attack across containers in the same pod, but Kata doesn't support k8s subpath
2. The mount destination is created by kata-agent in the guest. So it won't affect the host in any case.
3. Without subpath being there to share volume subpath across containers, the guest is not affected either.

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