Database/Container, Kubernetes & orchestration
containerd: Container root dirs and plugin dirs created world-traversable
CVSS 7.8CVE-2021-41103Container, Kubernetes & orchestrationcurated
Impact
Container root dirs and plugin dirs created world-traversable; unprivileged host user can read/modify container state
Who can reach it
Any process on the node, including a container that has partial host filesystem access
What to do
Rolling containerd upgrade plus permission fix; drain node
References
Related entries
- containerd: TOCTOU during image unpack: a crafted image can arbitrarily modify the host filesystemCVE-2025-47290 · containerdHigh
- containerd: Crafted image config allows arbitrary host file read by containers launched via the CRI pluginCVE-2022-23648 · containerdHigh
- containerd: Overly broad default permissions on containerd-managed directoriesCVE-2024-25621 · containerdHigh
- containerd: Numeric User directive that fails 32-bit parsing is treated as a username, changing the effective UIDCVE-2026-46680 · containerdHigh
- containerd: CRI Attach implementation bug lets a user attach to a container they should not reachCVE-2025-64329 · containerdMedium
- containerd: Environment variables from an unrelated image leak into a container, exposing another tenant's secretsCVE-2021-21334 · containerdMedium
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.