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[email protected]CVE-2021-3559

HistoryMay 24, 2021 - 12:15 p.m.

CVE-2021-3559

2021-05-2412:15:07

CWE-119

[email protected]

web.nvd.nist.gov

cve-2021-3559

libvirt

virconnectlistallnodedevices

pci device

mediated devices

system availability

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.4 Medium

AI Score

Confidence

High

4 Medium

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

29.6%

JSON

A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It only affects hosts with a PCI device and driver that supports mediated devices (e.g., GRID driver). This flaw could be used by an unprivileged client with a read-only connection to crash the libvirt daemon by executing the ‘nodedev-list’ virsh command. The highest threat from this vulnerability is to system availability.

Affected configurations

Vulners

NVD

Node

jenkinslibvirt_slavesRange≤7.0.0

VendorProductVersionCPE
jenkinslibvirt_slaves*cpe:2.3:a:jenkins:libvirt_slaves:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
jenkins	libvirt_slaves	*	cpe:2.3:a:jenkins:libvirt_slaves::::::::

CNA Affected

[
  {
    "product": "libvirt",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "libvirt 7.0.0"
      }
    ]
  }
]