High
Security advisory
An off-by-one read/write issue was found in the SDHCI device of QEMU. It occurs when reading/writing the Buffer Data Port Register in sdhci_read_dataport and sdhci_write_dataport, respectively, if data_count == block_size. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2022-3872
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 8 Nov 2026, 02:51 UTC · Revision 1
Source evidence
An off-by-one read/write issue was found in the SDHCI device of QEMU. It occurs when reading/writing the Buffer Data Port Register in sdhci_read_dataport and sdhci_write_dataport, respectively, if data_count == block_size. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.
osv:CVE-2022-3872
Complete source record
{
"id": "84f95c10227e212bc820d7e0f6ef440bd39acce6d9cc89bc00ca9a0d7f811e10",
"url": "https://osv.dev/vulnerability/CVE-2022-3872",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2022-3872",
"summary": "An off-by-one read/write issue was found in the SDHCI device of QEMU. It occurs when reading/writing the Buffer Data Port Register in sdhci_read_dataport and sdhci_write_dataport, respectively, if data_count == block_size. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.",
"evidence": "osv:CVE-2022-3872",
"products": [],
"severity": "high",
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"aliases": [
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-3872.json"
}
}
],
"modified": "2026-10-28T02:30:53.139267553Z",
"provider": "osv",
"references": [
"https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg01068.html",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/3xxx/CVE-2022-3872.json",
"https://nvd.nist.gov/vuln/detail/CVE-2022-3872",
"https://security.netapp.com/advisory/ntap-20221215-0005/"
],
"provider_metadata": {
"cwe_ids": [
"CWE-193"
],
"cna_assigner": "redhat",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "Affected: up to latest v7.1.0-rc4"
},
{
"last_affected": "Affected: up to latest v7.1.0-rc4"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/3xxx/CVE-2022-3872.json"
}
},
"related_cves": [
{
"value": "CVE-2022-3872",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 521960,
"published_at": "2022-11-07T00:00:00+00:00"
}