linux — security advisory
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate the box size for the snooped cursor Invalid userspace dma surface copies could potentially overflow the memcpy from the surface to the snooped image leading to crashes. To fix it the dimensions of the copybox have to be validated against the expected size of the snooped cursor.
- Products
- linux
- Affected versions
- Not specified
- Fixed versions
- 6.1.4-1
- CVEs
- CVE-2022-50440
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 19:59 UTC · Revision 1
Source evidence
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate the box size for the snooped cursor Invalid userspace dma surface copies could potentially overflow the memcpy from the surface to the snooped image leading to crashes. To fix it the dimensions of the copybox have to be validated against the expected size of the snooped cursor.
osv:DEBIAN-CVE-2022-50440
linux
Fixed versions: 6.1.4-1
linux
Fixed versions: 6.1.4-1
linux
Fixed versions: 6.1.4-1
Complete source record
{
"id": "1fb62756ce2612e2f54c7e45367785cb453734b200f97d6177ebcddcbd985d98",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-50440",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2022-50440",
"summary": "In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate the box size for the snooped cursor Invalid userspace dma surface copies could potentially overflow the memcpy from the surface to the snooped image leading to crashes. To fix it the dimensions of the copybox have to be validated against the expected size of the snooped cursor.",
"evidence": "osv:DEBIAN-CVE-2022-50440",
"products": [
{
"name": {
"value": "linux",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/0/ranges"
}
],
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},
{
"name": {
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"severity": "medium",
"structured": {
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"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
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"affected": [
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"package": {
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"purl": "pkg:deb/debian/linux?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
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"database_specific": {
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},
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{
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"package": {
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"ecosystem": "Debian:13"
},
"database_specific": {
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"package": {
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},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50440.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-16T09:47:33.606677311Z",
"provider": "osv",
"upstream": [
"CVE-2022-50440"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2022-50440"
]
},
"related_cves": [
{
"value": "CVE-2022-50440",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 338641,
"published_at": "2025-10-01T12:15:36.133+00:00"
}