HighFix available
xen — security advisory
Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstored causing further damage. Entering the error path can be controlled by the guest e.g. by exceeding the quota value of maximum nodes per domain.
- Products
- xen
- Affected versions
- Not specified
- Fixed versions
- 4.14.5-r6, 4.15.3-r3, 4.15.4-r0, 4.16.1-r6, 4.16.2-r1
- CVEs
- CVE-2022-42309
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 14:18 UTC · Revision 1
Source evidence
Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstored causing further damage. Entering the error path can be controlled by the guest e.g. by exceeding the quota value of maximum nodes per domain.
osv:ALPINE-CVE-2022-42309
xen
Fixed versions: 4.14.5-r6
xen
Fixed versions: 4.15.3-r3, 4.15.4-r0
xen
Fixed versions: 4.15.3-r3, 4.15.4-r0
xen
Fixed versions: 4.16.1-r6
xen
Fixed versions: 4.16.2-r1
xen
Fixed versions: 4.16.2-r1
xen
Fixed versions: 4.16.2-r1
xen
Fixed versions: 4.16.2-r1
xen
Fixed versions: 4.16.2-r1
xen
Fixed versions: 4.16.2-r1
xen
Fixed versions: 4.16.2-r1
xen
Fixed versions: 4.16.2-r1
Complete source record
{
"id": "9b9391be795106f6e5b23d26732816f76401b00de539ad77b7e83cbb560728f2",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2022-42309",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2022-42309",
"summary": "Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstored causing further damage. Entering the error path can be controlled by the guest e.g. by exceeding the quota value of maximum nodes per domain.",
"evidence": "osv:ALPINE-CVE-2022-42309",
"products": [
{
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"value": "xen",
"evidence": "/affected/0/package/name"
},
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{
"value": "4.14.5-r6",
"evidence": "/affected/0/ranges"
}
],
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},
{
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},
"prerequisites": [],
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},
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}
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{
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{
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{
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{
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{
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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/8/ranges"
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],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/9/package/name"
},
"prerequisites": [],
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{
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"evidence": "/affected/9/ranges"
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],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/10/package/name"
},
"prerequisites": [],
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{
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"evidence": "/affected/10/ranges"
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],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.16.2-r1",
"evidence": "/affected/11/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "ALPINE-CVE-2022-42309",
"aliases": [
"ALPINE-CVE-2022-42309"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.14.5-r6"
}
]
}
],
"package": {
"name": "xen",
"purl": "pkg:apk/alpine/xen?arch=source",
"ecosystem": "Alpine:v3.13"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-42309.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.15.3-r3"
},
{
"fixed": "4.15.4-r0"
}
]
}
],
"package": {
"name": "xen",
"purl": "pkg:apk/alpine/xen?arch=source",
"ecosystem": "Alpine:v3.14"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-42309.json"
},
"ecosystem_specific": {}
},
{
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"events": [
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},
{
"fixed": "4.15.3-r3"
},
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}
]
}
],
"package": {
"name": "xen",
"purl": "pkg:apk/alpine/xen?arch=source",
"ecosystem": "Alpine:v3.15"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-42309.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
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"events": [
{
"introduced": "0"
},
{
"fixed": "4.16.1-r6"
}
]
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],
"package": {
"name": "xen",
"purl": "pkg:apk/alpine/xen?arch=source",
"ecosystem": "Alpine:v3.16"
},
"database_specific": {
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],
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"name": "xen",
"purl": "pkg:apk/alpine/xen?arch=source",
"ecosystem": "Alpine:v3.17"
},
"database_specific": {
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"package": {
"name": "xen",
"purl": "pkg:apk/alpine/xen?arch=source",
"ecosystem": "Alpine:v3.18"
},
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"package": {
"name": "xen",
"purl": "pkg:apk/alpine/xen?arch=source",
"ecosystem": "Alpine:v3.19"
},
"database_specific": {
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"package": {
"name": "xen",
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"ecosystem": "Alpine:v3.20"
},
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],
"package": {
"name": "xen",
"purl": "pkg:apk/alpine/xen?arch=source",
"ecosystem": "Alpine:v3.21"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-42309.json"
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},
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],
"package": {
"name": "xen",
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"ecosystem": "Alpine:v3.23"
},
"database_specific": {
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{
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],
"package": {
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"purl": "pkg:apk/alpine/xen?arch=source",
"ecosystem": "Alpine:v3.24"
},
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}
],
"modified": "2026-10-15T07:17:54.257569652Z",
"provider": "osv",
"upstream": [
"CVE-2022-42309"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2022-42309"
]
},
"related_cves": [
{
"value": "CVE-2022-42309",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 321981,
"published_at": "2022-11-01T13:15:11.237+00:00"
}