ALPINE-CVE-2026-42488

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Source
https://security.alpinelinux.org/vuln/CVE-2026-42488
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-42488.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-42488
Upstream
  • CVE-2026-42488
Published
2026-06-18T14:17:25Z
Modified
2026-08-27T22:18:03Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Some shadow paging errors paths will switch the page-tables without updating the currently running vCPU reference. This causes a mismatch between the loaded page-tables and the mapcache metadata which can lead to corruption of the mapcache.

References

Affected packages

Alpine:v3.20 / xen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.5-r9

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-42488.json"

Alpine:v3.21 / xen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.19.5-r4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-42488.json"

Alpine:v3.22 / xen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.20.3-r4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-42488.json"

Alpine:v3.23 / xen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.20.3-r4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-42488.json"

Alpine:v3.24 / xen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.21.1-r6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-42488.json"