There's a vulnerability in the CRI-O application where when container is launched with securityContext.runAsUser specifying a non-existent user, CRI-O attempts to create the user, reading the container's entire /etc/passwd file into memory. If this file is excessively large, it can cause the a high memory consumption leading applications to be killed due to out-of-memory. As a result a denial-of-service can be achieved, possibly disrupting other pods and services running in the same host.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| github.com/cri-o/cri-o(Go) | 0 | N/A | N/A |
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