ALPINE-CVE-2020-27821

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Source
https://security.alpinelinux.org/vuln/CVE-2020-27821
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27821.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2020-27821
Upstream
Published
2020-12-08T22:15:18Z
Modified
2026-11-03T06:32:46Z
Severity
  • 6.0 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.

References

Affected packages

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-2020-27821.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-2020-27821.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-2020-27821.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-2020-27821.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-2020-27821.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-2020-27821.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-2020-27821.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-2020-27821.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-2020-27821.json"