MediumFix available
xen — security advisory
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.
- Products
- xen
- Affected versions
- Not specified
- Fixed versions
- 4.15.4-r1, 4.16.4-r1, 4.17.1-r2, 4.17.1-r3
- CVEs
- CVE-2023-20593
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 14:55 UTC · Revision 1
Source evidence
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.
osv:ALPINE-CVE-2023-20593
xen
Fixed versions: 4.15.4-r1
xen
Fixed versions: 4.16.4-r1
xen
Fixed versions: 4.16.4-r1
xen
Fixed versions: 4.17.1-r2
xen
Fixed versions: 4.17.1-r3
xen
Fixed versions: 4.17.1-r3
xen
Fixed versions: 4.17.1-r3
xen
Fixed versions: 4.17.1-r3
xen
Fixed versions: 4.17.1-r3
xen
Fixed versions: 4.17.1-r3
Complete source record
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"id": "88ace8d77947259f8befa793a94732d77377648d6dac20398148e1fb314c9195",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2023-20593",
"method": "structured",
"payload": {
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"title": "ALPINE-CVE-2023-20593",
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"evidence": "osv:ALPINE-CVE-2023-20593",
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{
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{
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{
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{
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{
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"evidence": "/affected/9/ranges"
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"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "ALPINE-CVE-2023-20593",
"aliases": [
"ALPINE-CVE-2023-20593"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.15.4-r1"
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}
],
"package": {
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"purl": "pkg:apk/alpine/xen?arch=source",
"ecosystem": "Alpine:v3.15"
},
"database_specific": {
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},
"ecosystem_specific": {}
},
{
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{
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],
"package": {
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"ecosystem": "Alpine:v3.16"
},
"database_specific": {
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"package": {
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"purl": "pkg:apk/alpine/xen?arch=source",
"ecosystem": "Alpine:v3.17"
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"database_specific": {
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"ecosystem": "Alpine:v3.20"
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"ecosystem": "Alpine:v3.21"
},
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"ecosystem": "Alpine:v3.22"
},
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"package": {
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"ecosystem": "Alpine:v3.23"
},
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"package": {
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"ecosystem": "Alpine:v3.24"
},
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],
"modified": "2026-10-26T17:17:58.606488568Z",
"provider": "osv",
"upstream": [
"CVE-2023-20593"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2023-20593"
]
},
"related_cves": [
{
"value": "CVE-2023-20593",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 454369,
"published_at": "2023-07-24T20:15:10.237+00:00"
}