MediumFix available
linux-lts — security advisory
An issue was discovered in Xen through 4.14.x. Some OSes (such as Linux, FreeBSD, and NetBSD) are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbounded, a guest may be able to trigger an OOM in the backend. All systems with a FreeBSD, Linux, or NetBSD (any version) dom0 are vulnerable.
- Products
- linux-lts
- Affected versions
- Not specified
- Fixed versions
- 5.10.4-r0
- CVEs
- CVE-2020-29568
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 12:10 UTC · Revision 1
Source evidence
An issue was discovered in Xen through 4.14.x. Some OSes (such as Linux, FreeBSD, and NetBSD) are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbounded, a guest may be able to trigger an OOM in the backend. All systems with a FreeBSD, Linux, or NetBSD (any version) dom0 are vulnerable.
osv:ALPINE-CVE-2020-29568
linux-lts
Fixed versions: 5.10.4-r0
linux-lts
Fixed versions: 5.10.4-r0
linux-lts
Fixed versions: 5.10.4-r0
linux-lts
Fixed versions: 5.10.4-r0
linux-lts
Fixed versions: 5.10.4-r0
linux-lts
Fixed versions: 5.10.4-r0
linux-lts
Fixed versions: 5.10.4-r0
linux-lts
Fixed versions: 5.10.4-r0
linux-lts
Fixed versions: 5.10.4-r0
linux-lts
Fixed versions: 5.10.4-r0
linux-lts
Fixed versions: 5.10.4-r0
Complete source record
{
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"url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-29568",
"method": "structured",
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"severity": "medium",
"structured": {
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"aliases": [
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"metrics": [
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"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"
}
],
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"ecosystem": "Alpine:v3.13"
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"database_specific": {
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],
"modified": "2026-10-26T11:17:55.170145906Z",
"provider": "osv",
"upstream": [
"CVE-2020-29568"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2020-29568"
]
},
"related_cves": [
{
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"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 450613,
"published_at": "2020-12-15T17:15:14.66+00:00"
}