High
Security advisory
QEMU can have an infinite loop in hw/rdma/vmw/pvrdma_dev_ring.c because return values are not checked (and -1 is mishandled).
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-20216
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:43 UTC · Revision 1
Source evidence
QEMU can have an infinite loop in hw/rdma/vmw/pvrdma_dev_ring.c because return values are not checked (and -1 is mishandled).
osv:CVE-2018-20216
Complete source record
{
"id": "2f0fd16e81bd54a8d8f4935759f65fecb48fb37bd487f9196604ee7663a5dd51",
"url": "https://osv.dev/vulnerability/CVE-2018-20216",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-20216",
"summary": "QEMU can have an infinite loop in hw/rdma/vmw/pvrdma_dev_ring.c because return values are not checked (and -1 is mishandled).",
"evidence": "osv:CVE-2018-20216",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-20216",
"aliases": [
"CVE-2018-20216"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/qemu/qemu",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "32a1a94dd324d33578dca1dc96d7896a0244d768"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "3.1.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v3.1.0",
"v3.0.0",
"v3.1.0-rc5",
"v3.1.0-rc4",
"v3.1.0-rc3",
"v3.1.0-rc2",
"v3.1.0-rc1",
"v3.1.0-rc0",
"v3.0.0-rc4",
"v3.0.0-rc3",
"v3.0.0-rc2",
"v3.0.0-rc1",
"v3.0.0-rc0",
"v2.12.0",
"v2.12.0-rc4",
"v2.12.0-rc3",
"v2.12.0-rc2",
"v2.12.0-rc1",
"v2.12.0-rc0",
"v2.11.0",
"v2.11.0-rc5",
"v2.11.0-rc4",
"v2.11.0-rc3",
"v2.11.0-rc2",
"v2.11.0-rc1",
"v2.11.0-rc0",
"v2.10.0",
"v2.10.0-rc4",
"v2.10.0-rc3",
"v2.10.0-rc2",
"v2.10.0-rc1",
"v2.9.0",
"v2.10.0-rc0",
"v2.9.0-rc5",
"v2.9.0-rc4",
"v2.9.0-rc3",
"v2.9.0-rc2",
"v2.9.0-rc1",
"v2.8.0",
"v2.9.0-rc0",
"v2.8.0-rc4",
"v2.8.0-rc3",
"v2.8.0-rc2",
"v2.8.0-rc1",
"v2.8.0-rc0",
"v2.7.0",
"v2.7.0-rc5",
"v2.7.0-rc4",
"v2.7.0-rc3",
"v2.7.0-rc2",
"v2.6.0",
"v2.7.0-rc1",
"v2.7.0-rc0",
"v2.6.0-rc5",
"v2.6.0-rc4",
"v2.6.0-rc3",
"v2.6.0-rc2",
"v2.6.0-rc1",
"v2.6.0-rc0",
"v2.5.0",
"v2.5.0-rc4",
"v2.5.0-rc3",
"v2.5.0-rc2",
"v2.5.0-rc1",
"v2.5.0-rc0",
"v2.4.0",
"v2.4.0-rc4",
"v2.4.0-rc3",
"v2.3.0",
"v2.4.0-rc2",
"v2.4.0-rc1",
"v2.4.0-rc0",
"v2.3.0-rc4",
"v2.3.0-rc3",
"v2.3.0-rc2",
"v2.3.0-rc1",
"v2.3.0-rc0",
"v2.2.0",
"v2.2.0-rc3",
"v2.2.0-rc5",
"v2.2.0-rc4",
"v2.2.0-rc2",
"v2.2.0-rc1",
"v2.2.0-rc0",
"v2.1.0",
"v2.1.0-rc5",
"v2.1.0-rc4",
"v2.1.0-rc2",
"v2.1.0-rc3",
"v2.0.0",
"v2.1.0-rc1",
"v2.1.0-rc0",
"v2.0.0-rc3",
"v2.0.0-rc2",
"v2.0.0-rc1",
"v2.0.0-rc0",
"v1.7.0",
"v1.7.0-rc2",
"v1.7.0-rc1",
"v1.7.0-rc0",
"v1.6.0",
"v1.6.0-rc3",
"v1.6.0-rc2",
"v1.6.0-rc1",
"v1.6.0-rc0",
"v1.5.0",
"v1.5.0-rc3",
"v1.5.0-rc2",
"v1.5.0-rc1",
"v1.5.0-rc0",
"v1.4.0",
"v1.4.0-rc2",
"v1.4.0-rc1",
"v1.4.0-rc0",
"v1.3.0",
"v1.3.0-rc2",
"v1.3.0-rc1",
"v1.3.0-rc0",
"v1.2.0",
"v1.2.0-rc3",
"v1.2.0-rc2",
"v1.2.0-rc1",
"v1.2.0-rc0",
"v1.1.0",
"v1.1.0-rc4",
"v1.1.0-rc3",
"v1.1.0-rc2",
"v1.1-rc2",
"v1.1-rc1",
"v1.1-rc0",
"v1.0",
"v1.0-rc4",
"v1.0-rc3",
"v1.0-rc2",
"v1.0-rc1",
"v1.0-rc0",
"v0.14.0-rc0",
"v0.13.0-rc0",
"v0.12.0-rc0",
"v0.11.0-rc0",
"v0.5.0",
"v0.4.4",
"v0.4.3",
"v0.4.2",
"v0.4.1",
"v0.4.0",
"v0.3.0",
"v0.2.0",
"v0.1.6",
"v0.1.5",
"v0.1.4",
"v0.1.3",
"v0.1.1",
"v0.1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20216.json"
}
},
{
"ranges": [
{
"repo": "https://gitlab.com/qemu-project/qemu",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "32a1a94dd324d33578dca1dc96d7896a0244d768"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "3.1.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v3.1.0",
"v3.0.0",
"v3.1.0-rc5",
"v3.1.0-rc4",
"v3.1.0-rc3",
"v3.1.0-rc2",
"v3.1.0-rc1",
"v3.1.0-rc0",
"v3.0.0-rc4",
"v3.0.0-rc3",
"v3.0.0-rc2",
"v3.0.0-rc1",
"v3.0.0-rc0",
"v2.12.0",
"v2.12.0-rc4",
"v2.12.0-rc3",
"v2.12.0-rc2",
"v2.12.0-rc1",
"v2.12.0-rc0",
"v2.11.0",
"v2.11.0-rc5",
"v2.11.0-rc4",
"v2.11.0-rc3",
"v2.11.0-rc2",
"v2.11.0-rc1",
"v2.11.0-rc0",
"v2.10.0",
"v2.10.0-rc4",
"v2.10.0-rc3",
"v2.10.0-rc2",
"v2.10.0-rc1",
"v2.9.0",
"v2.10.0-rc0",
"v2.9.0-rc5",
"v2.9.0-rc4",
"v2.9.0-rc3",
"v2.9.0-rc2",
"v2.9.0-rc1",
"v2.8.0",
"v2.9.0-rc0",
"v2.8.0-rc4",
"v2.8.0-rc3",
"v2.8.0-rc2",
"v2.8.0-rc1",
"v2.8.0-rc0",
"v2.7.0",
"v2.7.0-rc5",
"v2.7.0-rc4",
"v2.7.0-rc3",
"v2.7.0-rc2",
"v2.6.0",
"v2.7.0-rc1",
"v2.7.0-rc0",
"v2.6.0-rc5",
"v2.6.0-rc4",
"v2.6.0-rc3",
"v2.6.0-rc2",
"v2.6.0-rc1",
"v2.6.0-rc0",
"v2.5.0",
"v2.5.0-rc4",
"v2.5.0-rc3",
"v2.5.0-rc2",
"v2.5.0-rc1",
"v2.5.0-rc0",
"v2.4.0",
"v2.4.0-rc4",
"v2.4.0-rc3",
"v2.3.0",
"v2.4.0-rc2",
"v2.4.0-rc1",
"v2.4.0-rc0",
"v2.3.0-rc4",
"v2.3.0-rc3",
"v2.3.0-rc2",
"v2.3.0-rc1",
"v2.3.0-rc0",
"v2.2.0",
"v2.2.0-rc3",
"v2.2.0-rc5",
"v2.2.0-rc4",
"v2.2.0-rc2",
"v2.2.0-rc1",
"v2.2.0-rc0",
"v2.1.0",
"v2.1.0-rc5",
"v2.1.0-rc4",
"v2.1.0-rc2",
"v2.1.0-rc3",
"v2.0.0",
"v2.1.0-rc1",
"v2.1.0-rc0",
"v2.0.0-rc3",
"v2.0.0-rc2",
"v2.0.0-rc1",
"v2.0.0-rc0",
"v1.7.0",
"v1.7.0-rc2",
"v1.7.0-rc1",
"v1.7.0-rc0",
"v1.6.0",
"v1.6.0-rc3",
"v1.6.0-rc2",
"v1.6.0-rc1",
"v1.6.0-rc0",
"v1.5.0",
"v1.5.0-rc3",
"v1.5.0-rc2",
"v1.5.0-rc1",
"v1.5.0-rc0",
"v1.4.0",
"v1.4.0-rc2",
"v1.4.0-rc1",
"v1.4.0-rc0",
"v1.3.0",
"v1.3.0-rc2",
"v1.3.0-rc1",
"v1.3.0-rc0",
"v1.2.0",
"v1.2.0-rc3",
"v1.2.0-rc2",
"v1.2.0-rc1",
"v1.2.0-rc0",
"v1.1.0",
"v1.1.0-rc4",
"v1.1.0-rc3",
"v1.1.0-rc2",
"v1.1-rc2",
"v1.1-rc1",
"v1.1-rc0",
"v1.0",
"v1.0-rc4",
"v1.0-rc3",
"v1.0-rc2",
"v1.0-rc1",
"v1.0-rc0",
"v0.14.0-rc0",
"v0.13.0-rc0",
"v0.12.0-rc0",
"v0.11.0-rc0",
"v0.5.0",
"v0.4.4",
"v0.4.3",
"v0.4.2",
"v0.4.1",
"v0.4.0",
"v0.3.0",
"v0.2.0",
"v0.1.6",
"v0.1.5",
"v0.1.4",
"v0.1.3",
"v0.1.1",
"v0.1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20216.json"
}
}
],
"modified": "2026-10-24T10:30:21.746835799Z",
"provider": "osv",
"references": [
"https://usn.ubuntu.com/3923-1/",
"https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03052.html"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "14.04"
},
{
"last_affected": "14.04"
},
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
},
{
"introduced": "18.04"
},
{
"last_affected": "18.04"
},
{
"introduced": "18.10"
},
{
"last_affected": "18.10"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-20216",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 430553,
"published_at": "2018-12-20T21:29:01.073+00:00"
}