Denial of service in CRI-O

1) Path traversal

EUVDB-ID: #VU103975

Risk: Medium

CVSSv4.0: 2.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H/E:U/U:Green]

CVE-ID: CVE-2025-0750

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to path traversal in the log management functions UnMountPodLogs() and LinkContainerLogs(). A remote user with permissions to create and delete Pods can unmount arbitrary host paths, including critical system directories, and perform a node-level denial of service attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CRI-O: 1.20.0 - 1.32.0

CPE2.3

• cpe:2.3:a:cri-o:cri-o:*:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.20.1:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.20.2:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.20.3:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.20.4:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.20.5:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.20.6:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.20.7:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.20.9:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.21.0:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2025:1122
https://access.redhat.com/security/cve/CVE-2025-0750
https://bugzilla.redhat.com/show_bug.cgi?id=2339405

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.