Database/Container, Kubernetes & orchestration
containerd: User-namespaced containers not placed under the Kubernetes cgroup, defeating resource limits
CVSS 4.6CVE-2025-47291Container, Kubernetes & orchestrationcurated
Impact
User-namespaced containers not placed under the Kubernetes cgroup, defeating resource limits; noisy-neighbour / node DoS
Who can reach it
Any tenant workload using user namespaces
What to do
Rolling containerd upgrade with node drain
References
Related entries
- containerd: CRI plugin propagates unvalidated image LABEL values into container configCVE-2026-53488 · containerdCritical
- containerd: CRI trusts CDI annotations inside untrusted checkpoint image metadataCVE-2026-53492 · containerdHigh
- containerd: CRI restores container.log from a checkpoint image without validating symlinksCVE-2026-53489 · containerdHigh
- containerd: On SELinux hosts, an unprivileged pod with a hostPath volume can gain full read/write to the host filesystemCVE-2021-43816 · containerdHigh
- containerd: Container root dirs and plugin dirs created world-traversableCVE-2021-41103 · containerdHigh
- containerd: TOCTOU during image unpack: a crafted image can arbitrarily modify the host filesystemCVE-2025-47290 · containerdHigh
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.