CVE-2021-20221

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 02-02-2021 01:00

Last modified: - 02-02-2021 01:00

Total changes: - 5

Description

CVE-2021-20221 qemu: out-of-bound heap buffer access via an interrupt ID field

Common Vulnerability Scoring System (CVSS)

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

High

Attack complexity

Local

Attack vector

Low

Availability

None

Confidentiality

None

Integrity

High

Privileges required

Changed

Scope

None

User interaction

2.5

Base score

Exploitability score

Impact score

Verification logic

AND

product=virt AND versionEndExcluding=8.2-8020120210603194525.863bb0db

vendor=Red Hat Enterprise Linux AND product=advanced_virtualization AND version=8.2

AND

product=virt-devel AND versionEndExcluding=8.2-8020120210603194525.863bb0db

vendor=Red Hat Enterprise Linux AND product=advanced_virtualization AND version=8.2

AND

product=virt AND versionEndExcluding=8.3-8030120210325145214.8f6a38fe

vendor=Red Hat Enterprise Linux AND product=advanced_virtualization AND version=8.3

AND

product=virt-devel AND versionEndExcluding=8.3-8030120210325145214.8f6a38fe

vendor=Red Hat Enterprise Linux AND product=advanced_virtualization AND version=8.3

AND

product=virt-devel AND versionEndExcluding=rhel-8040020210721215855.522a0ee4

vendor=Red Hat Enterprise Linux AND product=enterprise_linux AND version=8

AND

product=virt AND versionEndExcluding=rhel-8040020210721215855.522a0ee4

vendor=Red Hat Enterprise Linux AND product=enterprise_linux AND version=8

AND

product=qemu-kvm-ma AND version=

vendor=Red Hat Enterprise Linux AND product=enterprise_linux AND version=7

AND

product=qemu-kvm-rhev AND version=

vendor=Red Hat Enterprise Linux AND product=enterprise_linux AND version=7

AND

product=virt AND version=

vendor=Red Hat Enterprise Linux AND product=advanced_virtualization AND version=8

AND

product=virt AND version=

vendor=Red Hat Enterprise Linux AND product=advanced_virtualization AND version=8

AND

product=virt AND version=

vendor=Red Hat Enterprise Linux AND product=advanced_virtualization AND version=8

AND

product=qemu-kvm-rhev AND version=

vendor=Red Hat Enterprise Linux AND product=openstack AND version=10

AND

product=qemu-kvm-rhev AND version=

vendor=Red Hat Enterprise Linux AND product=openstack AND version=13

Reference

Keywords

CVE-2021-20221

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

REDHAT

CVE-2021-20221

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures