Vulnerability Report

CVE-2022-37394

Title: Openstack Nova Denial of Service (DoS)

Denial of Service (DoS)

Proof Of Concept

No public PoC currently indexed for CVE-2022-37394.

CWE Category NVD-CWE-noinfo
Published Date Aug 03, 2022
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 3.3 CVSS v3.1
Exploit Probability (EPSS)
0.30%

Vulnerability Summary

CVE-2022-37394: An issue was discovered in OpenStack Nova before 23.2.2, 24.x before 24.1.2, and 25.x before 25.0.2. By creating a neutron port with the direct vnic_type, creating an instance bound to that port, and then changing the vnic_type of the bound port to macvtap, an authenticated user may cause the compute service to fail to restart, resulting in a possible denial of service. Only Nova deployments configured with SR-IOV are affected.

Impacted Vendors

O
openstack 1
P
panic 1

Reference Links

https://bugs.launchpad.net/ossa/+bug/1981813 https://review.opendev.org/c/openstack/nova/+/849985 https://review.opendev.org/c/openstack/nova/+/850003 https://bugs.launchpad.net/ossa/+bug/1981813 https://review.opendev.org/c/openstack/nova/+/849985 https://review.opendev.org/c/openstack/nova/+/850003
CVSS v3.1
Source Entity [email protected]
Severity LOW
3.3
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2022-37394 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected Stack

No specific products linked.