ALPINE-CVE-2026-62430

Source
https://security.alpinelinux.org/vuln/CVE-2026-62430
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-62430.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-62430
Upstream
  • CVE-2026-62430
Published
2026-07-28T13:19:01.913Z
Modified
2026-08-12T14:30:02.983677769Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

Accesses to the CMOS memory contents are done using an indirect IO port pair. Therefore Xen needs to cache the guest chosen index, and one of the usages of the index didn't take the necessary locking to avoid concurrent changes. As a result, a guest could change the index after it being checked, causing a subsequent out-of-bound read access to the contents of an array.

References

Affected packages

Alpine:v3.21 / xen

Package

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

Affected ranges

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

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-62430.json"

Alpine:v3.22 / xen

Package

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

Affected ranges

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

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-62430.json"

Alpine:v3.23 / xen

Package

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

Affected ranges

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

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-62430.json"

Alpine:v3.24 / xen

Package

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

Affected ranges

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

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-62430.json"