Medium
Security advisory
QEMU (aka Quick Emulator), when built with the IDE disk and CD/DVD-ROM Emulator support, allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by flushing an empty CDROM device drive.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-12809
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:20 UTC · Revision 1
Source evidence
QEMU (aka Quick Emulator), when built with the IDE disk and CD/DVD-ROM Emulator support, allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by flushing an empty CDROM device drive.
osv:CVE-2017-12809
Complete source record
{
"id": "521c6b23879a9ed37d21131ba4f90d84feb858c92b5fa7d5c0109b5b68bc8713",
"url": "https://osv.dev/vulnerability/CVE-2017-12809",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-12809",
"summary": "QEMU (aka Quick Emulator), when built with the IDE disk and CD/DVD-ROM Emulator support, allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by flushing an empty CDROM device drive.",
"evidence": "osv:CVE-2017-12809",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2017-12809",
"aliases": [
"CVE-2017-12809"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/qemu/qemu",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "4cd42653f5c1df326a2678a84f24a78fb9601277"
},
{
"introduced": "522fd24ca030c27c591dafedd65c1dfd51e40450"
},
{
"last_affected": "54affb3a3623b1d36c95e34faa722a5831323a74"
}
],
"database_specific": {
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{
"cpe": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.9.1"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:qemu:qemu:2.10.0:rc0:*:*:*:*:*:*",
"range": [
{
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},
{
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"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:qemu:qemu:2.10.0:rc1:*:*:*:*:*:*",
"range": [
{
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},
{
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"source": "CPE_STRING"
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{
"cpe": "cpe:2.3:a:qemu:qemu:2.10.0:rc2:*:*:*:*:*:*",
"range": [
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{
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"source": "CPE_STRING"
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}
}
],
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"v1.0",
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],
"database_specific": {
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}
},
{
"ranges": [
{
"repo": "https://gitlab.com/qemu-project/qemu",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "4cd42653f5c1df326a2678a84f24a78fb9601277"
},
{
"introduced": "522fd24ca030c27c591dafedd65c1dfd51e40450"
},
{
"last_affected": "54affb3a3623b1d36c95e34faa722a5831323a74"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.9.1"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:qemu:qemu:2.10.0:rc0:*:*:*:*:*:*",
"range": [
{
"introduced": "2.10.0-rc0"
},
{
"last_affected": "2.10.0-rc0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:qemu:qemu:2.10.0:rc1:*:*:*:*:*:*",
"range": [
{
"introduced": "2.10.0-rc1"
},
{
"last_affected": "2.10.0-rc1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:qemu:qemu:2.10.0:rc2:*:*:*:*:*:*",
"range": [
{
"introduced": "2.10.0-rc2"
},
{
"last_affected": "2.10.0-rc2"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
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"2.10.0-rc1",
"2.10.0-rc2",
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"database_specific": {
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}
}
],
"modified": "2026-10-24T10:30:17.444293807Z",
"provider": "osv",
"references": [
"https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg01850.html"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2017-12809",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 429564,
"published_at": "2017-08-23T16:29:00.21+00:00"
}