CVE-2022-0532

2024-08-2300:00:00

ubuntu.com

cri-o 1.18

sysctls validation

vulnerability

attacker

pod creation

hostipc

hostnetwork

kernel namespace

safe sysctls

CVSS2

4.9

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:P/I:N/A:P

CVSS3

4.2

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

6.7

Confidence

Low

JSON

An incorrect sysctls validation vulnerability was found in CRI-O 1.18 and
earlier. The sysctls from the list of “safe” sysctls specified for the
cluster will be applied to the host if an attacker is able to create a pod
with a hostIPC and hostNetwork kernel namespace.