Denial of service in KubeVirt

1) NULL pointer dereference

EUVDB-ID: #VU96603

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-31420

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a malicious guest to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. An attacker with access to a guest virtual machine on a node with DownwardMetrics enabled can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Kubevirt: 1.1.0 - 1.3.0 rc.2

CPE2.3

• cpe:2.3::kubevirt:kubevirt:1.3.0:*:*:*:*:*:*:*
• cpe:2.3::kubevirt:kubevirt:1.3.0:rc.2:*:*:*:*:*:*
• cpe:2.3::kubevirt:kubevirt:1.3.0:rc.1:*:*:*:*:*:*

External links

http://bugzilla.redhat.com/show_bug.cgi?id=2272951

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.