CVE-2021-45464 - Vulnerability Details - OpenCVE

kvmtool through 39181fc allows an out-of-bounds write, related to virtio/balloon.c and virtio/pci.c. This allows a guest OS user to execute arbitrary code on the host machine.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00049.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Kvmtool Project Subscribe	Kvmtool Subscribe

Configuration 1 [-]

cpe:2.3:a:kvmtool_project:kvmtool:-:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-32230	kvmtool through 39181fc allows an out-of-bounds write, related to virtio/balloon.c and virtio/pci.c. This allows a guest OS user to execute arbitrary code on the host machine.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://cdn.discordapp.com/attachments/921419715170164776/921882173517230100/exploit.c
https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/commit/?id=39181fc6429f4e9e71473284940e35857b42772a
https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/log/
https://www.kalmarunionen.dk/writeups/2021/hxp-2021/lkvm/

History

Thu, 06 Feb 2025 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-04-15T00:00:00.000Z

Updated: 2025-02-06T16:05:11.019Z

Reserved: 2021-12-23T00:00:00.000Z

Link: CVE-2021-45464

Vulnrichment

Updated: 2024-08-04T04:39:21.011Z

NVD

Status : Modified

Published: 2023-04-15T23:15:13.760

Modified: 2025-02-06T16:15:30.290

Link: CVE-2021-45464

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-787

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