ALPINE-CVE-2021-20255

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Source
https://security.alpinelinux.org/vuln/CVE-2021-20255
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20255.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2021-20255
Upstream
Published
2021-03-09T20:15:13Z
Modified
2026-11-03T06:32:46Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

References

Affected packages

Alpine:v3.14
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
6.0.0-r1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20255.json"
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
6.0.0-r1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20255.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
6.0.0-r1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20255.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
6.0.0-r1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20255.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
6.0.0-r1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20255.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
6.0.0-r1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20255.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
6.0.0-r1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20255.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
6.0.0-r1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20255.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
6.0.0-r1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20255.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
6.0.0-r1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20255.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
6.0.0-r1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20255.json"