Database/Container, Kubernetes & orchestration

Kubernetes (kubelet): Pod writes to its own /etc/hosts unaccounted for in eviction

CVSS 5.5CVE-2020-8557Container, Kubernetes & orchestrationcurated

Impact

Pod writes to its own /etc/hosts unaccounted for in eviction; fills node disk

Who can reach it

Any tenant workload

What to do

Rolling kubelet upgrade with node drain

References

https://nvd.nist.gov/vuln/detail/CVE-2020-8557

Related entries

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Kubernetes (kubelet): Pods with an empty localhost seccomp profile field silently bypass seccomp enforcementCVE-2023-2431 · Kubernetes (kubelet)Low
Kubernetes (kubelet): subPath volume mount symlink race gives access to host files and directories outside the volumeCVE-2021-25741 · Kubernetes (kubelet)High
Kubernetes (kubelet): /debug/pprof exposed on the unauthenticated kubelet healthz portCVE-2019-11248 · Kubernetes (kubelet)High
Kubernetes (kubelet): Arbitrary command execution on the node via a gitRepo volumeCVE-2024-10220 · Kubernetes (kubelet)High

All Container, Kubernetes & orchestration entries

This entry is curated: imported from vendor advisories with machine assistance, not yet individually verified. Confirm against your vendor's advisory before acting, and report anything wrong.