ALPINE-CVE-2021-20203

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Source
https://security.alpinelinux.org/vuln/CVE-2021-20203
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20203.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2021-20203
Upstream
Published
2021-02-25T20:15:11Z
Modified
2026-11-03T06:32:26Z
Severity
  • 3.2 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.

References

Affected packages

Alpine:v3.15
qemu

Package

Name
qemu
Purl
pkg:apk/alpine/qemu?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6.1.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20203.json"
Alpine:v3.16
qemu

Package

Name
qemu
Purl
pkg:apk/alpine/qemu?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.2.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20203.json"
Alpine:v3.17
qemu

Package

Name
qemu
Purl
pkg:apk/alpine/qemu?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.2.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20203.json"
Alpine:v3.18
qemu

Package

Name
qemu
Purl
pkg:apk/alpine/qemu?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.2.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20203.json"
Alpine:v3.19
qemu

Package

Name
qemu
Purl
pkg:apk/alpine/qemu?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.2.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20203.json"
Alpine:v3.20
qemu

Package

Name
qemu
Purl
pkg:apk/alpine/qemu?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.2.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20203.json"
Alpine:v3.21
qemu

Package

Name
qemu
Purl
pkg:apk/alpine/qemu?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.2.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20203.json"
Alpine:v3.22
qemu

Package

Name
qemu
Purl
pkg:apk/alpine/qemu?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.2.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20203.json"
Alpine:v3.23
qemu

Package

Name
qemu
Purl
pkg:apk/alpine/qemu?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.2.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20203.json"
Alpine:v3.24
qemu

Package

Name
qemu
Purl
pkg:apk/alpine/qemu?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.2.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20203.json"