CVE-2023-2431

Publication date 16 June 2023

Last updated 11 July 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
kubernetes	25.04 plucky	Not in release
	24.10 oracular	Ignored end of life, was needs-triage
	24.04 LTS noble	Not affected
	23.10 mantic	Ignored end of life, was needs-triage
	23.04 lunar	Ignored end of life, was needs-triage
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Not affected
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Ignored end of standard support
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release

Notes

leosilva

kubernates is in fact a kubernetes installer that calls snap, not the package it self.

Severity score breakdown

CVSS version: CVSS v3.0

Base score 3.4 · Low

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Privileges required	High
User interaction	None
Scope	Unchanged
Confidentiality impact	Low
Integrity impact	Low
Availability impact	None

Scores

Parameter	Value
Base score	3.4 · Low
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N