HighFix available
qemu — security advisory
A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service (DoS) attack via improper synchronization during socket closure when a client keeps a socket open as the server is taken offline.
- Products
- qemu
- Affected versions
- 1:7.2+dfsg-7, 1:7.2+dfsg-7+deb12u1, 1:7.2+dfsg-7+deb12u2, 1:7.2+dfsg-7+deb12u2~bpo11+1, 1:7.2+dfsg-7+deb12u3, 1:7.2+dfsg-7+deb12u4, 1:7.2+dfsg-7+deb12u5, 1:7.2+dfsg-7+deb12u6, 1:7.2+dfsg-7+deb12u7
- Fixed versions
- 1:7.2+dfsg-7+deb12u8, 1:9.0.2+ds-3
- CVEs
- CVE-2024-7409
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 11:09 UTC · Revision 1
Source evidence
A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service (DoS) attack via improper synchronization during socket closure when a client keeps a socket open as the server is taken offline.
osv:DEBIAN-CVE-2024-7409
qemu
Fixed versions: 1:7.2+dfsg-7+deb12u8
qemu
Fixed versions: 1:9.0.2+ds-3
qemu
Fixed versions: 1:9.0.2+ds-3
Complete source record
{
"id": "7827140337b17742b045d493d3af6888cbc1d80ee7943d67a248914a01d25475",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2024-7409",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2024-7409",
"summary": "A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service (DoS) attack via improper synchronization during socket closure when a client keeps a socket open as the server is taken offline.",
"evidence": "osv:DEBIAN-CVE-2024-7409",
"products": [
{
"name": {
"value": "qemu",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:7.2+dfsg-7+deb12u8",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "1:7.2+dfsg-7",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.2+dfsg-7+deb12u1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.2+dfsg-7+deb12u2",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.2+dfsg-7+deb12u2~bpo11+1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.2+dfsg-7+deb12u3",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.2+dfsg-7+deb12u4",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.2+dfsg-7+deb12u5",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.2+dfsg-7+deb12u6",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.2+dfsg-7+deb12u7",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "qemu",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:9.0.2+ds-3",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "qemu",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:9.0.2+ds-3",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2024-7409",
"aliases": [
"DEBIAN-CVE-2024-7409"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:7.2+dfsg-7+deb12u8"
}
]
}
],
"package": {
"name": "qemu",
"purl": "pkg:deb/debian/qemu?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1:7.2+dfsg-7",
"1:7.2+dfsg-7+deb12u1",
"1:7.2+dfsg-7+deb12u2",
"1:7.2+dfsg-7+deb12u2~bpo11+1",
"1:7.2+dfsg-7+deb12u3",
"1:7.2+dfsg-7+deb12u4",
"1:7.2+dfsg-7+deb12u5",
"1:7.2+dfsg-7+deb12u6",
"1:7.2+dfsg-7+deb12u7"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-7409.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:9.0.2+ds-3"
}
]
}
],
"package": {
"name": "qemu",
"purl": "pkg:deb/debian/qemu?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-7409.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:9.0.2+ds-3"
}
]
}
],
"package": {
"name": "qemu",
"purl": "pkg:deb/debian/qemu?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-7409.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-09T09:47:36.349323320Z",
"provider": "osv",
"upstream": [
"CVE-2024-7409"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2024-7409"
]
},
"related_cves": [
{
"value": "CVE-2024-7409",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 111706,
"published_at": "2024-08-05T14:15:35.813+00:00"
}