MediumFix available
linux — security advisory
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix wq size store permission state WQ size can only be changed when the device is disabled. Current code allows change when device is enabled but wq is disabled. Change the check to detect device state.
- Products
- linux
- Affected versions
- Not specified
- Fixed versions
- 5.10.38-1
- CVEs
- CVE-2021-46919
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 01:10 UTC · Revision 1
Source evidence
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix wq size store permission state WQ size can only be changed when the device is disabled. Current code allows change when device is enabled but wq is disabled. Change the check to detect device state.
osv:DEBIAN-CVE-2021-46919
linux
Fixed versions: 5.10.38-1
linux
Fixed versions: 5.10.38-1
linux
Fixed versions: 5.10.38-1
Complete source record
{
"id": "5522e2928c60a6c2f91a4806cf3b74f7f0bc03164acb209d82717163a84c6dea",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-46919",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2021-46919",
"summary": "In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix wq size store permission state WQ size can only be changed when the device is disabled. Current code allows change when device is enabled but wq is disabled. Change the check to detect device state.",
"evidence": "osv:DEBIAN-CVE-2021-46919",
"products": [
{
"name": {
"value": "linux",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.10.38-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.10.38-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/2/package/name"
},
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"fixed_versions": [
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"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2021-46919",
"aliases": [
"DEBIAN-CVE-2021-46919"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.10.38-1"
}
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}
],
"package": {
"name": "linux",
"purl": "pkg:deb/debian/linux?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-46919.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
"fixed": "5.10.38-1"
}
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}
],
"package": {
"name": "linux",
"purl": "pkg:deb/debian/linux?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-46919.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
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}
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}
],
"package": {
"name": "linux",
"purl": "pkg:deb/debian/linux?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-46919.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:04:17.669035938Z",
"provider": "osv",
"upstream": [
"CVE-2021-46919"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2021-46919"
]
},
"related_cves": [
{
"value": "CVE-2021-46919",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 423204,
"published_at": "2024-02-27T07:15:08.787+00:00"
}