UBUNTU-CVE-2020-8557
- Source
- https://ubuntu.com/security/CVE-2020-8557
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8557.json
- JSON Data
- https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-8557
- Related
- Published
- 2020-07-23T17:15:00Z
- Modified
- 2024-10-15T14:07:55Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
The Kubernetes kubelet component in versions 1.1-1.16.12, 1.17.0-1.17.8 and 1.18.0-1.18.5 do not account for disk usage by a pod which writes to its own /etc/hosts file. The /etc/hosts file mounted in a pod by kubelet is not included by the kubelet eviction manager when calculating ephemeral storage usage by a pod. If a pod writes a large amount of data to the /etc/hosts file, it could fill the storage space of the node and cause the node to fail.
- References
Affected packages
Ubuntu:20.04:LTS / kubernetes
Package
- Name
- kubernetes
- Purl
- pkg:deb/ubuntu/kubernetes?arch=src?distro=focal
Ubuntu:22.04:LTS / kubernetes
Package
- Name
- kubernetes
- Purl
- pkg:deb/ubuntu/kubernetes?arch=src?distro=jammy
Ubuntu:24.10 / kubernetes
Package
- Name
- kubernetes
- Purl
- pkg:deb/ubuntu/kubernetes?arch=src?distro=oracular