Medium
Security advisory
A stack overflow vulnerability was found in the Intel HD Audio device (intel-hda) of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability. This flaw affects QEMU versions prior to 7.0.0.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-3611
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:55 UTC · Revision 1
Source evidence
A stack overflow vulnerability was found in the Intel HD Audio device (intel-hda) of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability. This flaw affects QEMU versions prior to 7.0.0.
osv:CVE-2021-3611
Complete source record
{
"id": "e33ea8168dcb23d326a91fe27525879617e7a3c006af5ae559fa9e3414186e50",
"url": "https://osv.dev/vulnerability/CVE-2021-3611",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-3611",
"summary": "A stack overflow vulnerability was found in the Intel HD Audio device (intel-hda) of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability. This flaw affects QEMU versions prior to 7.0.0.",
"evidence": "osv:CVE-2021-3611",
"products": [],
"severity": "medium",
"structured": {
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"aliases": [
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],
"metrics": [
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],
"modified": "2026-10-24T10:50:42.206585787Z",
"provider": "osv",
"references": [
"https://security.gentoo.org/glsa/202208-27",
"https://security.netapp.com/advisory/ntap-20220624-0001/",
"https://bugzilla.redhat.com/show_bug.cgi?id=1973784",
"https://gitlab.com/qemu-project/qemu/-/issues/542"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
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],
"vendor_product": "redhat:enterprise_linux",
"extracted_events": [
{
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},
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}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-3611",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 442493,
"published_at": "2022-05-11T16:15:08.71+00:00"
}