osv-2021-820
Vulnerability from osv_ossfuzz
Published
2021-06-02 00:00
Modified
2026-02-13 14:27
Summary
UNKNOWN READ in virtio_gpu_disable_scanout
Details
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34831
Crash type: UNKNOWN READ
Crash state:
virtio_gpu_disable_scanout
virtio_gpu_set_scanout
virtio_gpu_simple_process_cmd
{
"affected": [
{
"ecosystem_specific": {
"severity": "MEDIUM"
},
"package": {
"ecosystem": "OSS-Fuzz",
"name": "qemu"
},
"ranges": [
{
"events": [
{
"introduced": "e64d4b6a9bc3ba216a988276bcdc27d06fd48e59"
}
],
"repo": "https://git.qemu.org/git/qemu.git",
"type": "GIT"
}
],
"versions": [
"v6.1.0-rc0",
"v6.1.0-rc1",
"v6.1.0-rc2",
"v6.1.0-rc3",
"v6.1.0-rc4",
"v6.1.0",
"v6.1.1",
"v6.2.0",
"v6.2.0-rc0",
"v6.2.0-rc1",
"v6.2.0-rc3",
"v6.2.0-rc4",
"v7.0.0",
"v7.0.0-rc0",
"v7.0.0-rc1",
"v7.0.0-rc2",
"v7.0.0-rc3",
"v7.0.0-rc4",
"v7.1.0-rc0",
"v7.1.0-rc1",
"v7.1.0-rc2",
"v7.1.0-rc3",
"v7.1.0-rc4",
"v7.1.0",
"v7.2.0-rc0",
"v7.2.0-rc1",
"v7.2.0-rc2",
"v7.2.0-rc3",
"v7.2.0-rc4",
"v7.2.0",
"v8.0.0-rc0",
"v8.0.0-rc1",
"v8.0.0-rc2",
"v7.2.1",
"v8.0.0-rc3",
"v8.0.0-rc4",
"v8.0.0",
"v7.2.2",
"v7.2.3",
"v8.0.1",
"v8.0.2",
"v7.2.4",
"v8.0.3",
"v8.1.0-rc0",
"v8.1.0-rc1",
"v8.1.0-rc2",
"v7.2.5",
"v8.0.4",
"v8.1.0-rc3",
"v8.1.0-rc4",
"v8.1.0",
"v7.2.6",
"v8.0.5",
"v8.1.1",
"v8.1.2",
"v8.2.0-rc0",
"v7.2.7",
"v8.1.3",
"v8.2.0-rc1",
"v8.2.0-rc2",
"v8.2.0-rc3",
"v8.2.0-rc4",
"v8.2.0",
"v7.2.8",
"v8.1.4",
"v7.2.9",
"v8.1.5",
"v8.2.1",
"v7.2.10",
"v8.2.2",
"v9.0.0-rc0",
"v9.0.0-rc1",
"v9.0.0-rc2",
"v9.0.0-rc3",
"v9.0.0-rc4",
"v7.2.11",
"v8.2.3",
"v9.0.0",
"v8.2.4",
"v7.2.12",
"v8.2.5",
"v9.0.1",
"v7.2.13",
"v8.2.6",
"v9.0.2",
"v9.1.0-rc0",
"v9.1.0-rc1",
"v9.1.0-rc2",
"v9.1.0-rc3",
"v9.1.0-rc4",
"v9.1.0",
"v7.2.14",
"v8.2.7",
"v9.0.3",
"v9.1.1",
"v9.2.0-rc0",
"v7.2.15",
"v8.2.8",
"v9.0.4",
"v9.1.2",
"v9.2.0-rc1",
"v9.2.0-rc2",
"v9.2.0-rc3",
"v9.2.0",
"v7.2.16",
"v8.2.9",
"v9.1.3",
"v9.2.1",
"v9.2.2",
"v10.0.0-rc0",
"v10.0.0-rc1",
"v7.2.17",
"v8.2.10",
"v9.2.3",
"v10.0.0-rc2",
"v10.0.0-rc3",
"v10.0.0-rc4",
"v10.0.0",
"v10.0.1",
"v7.2.18",
"v9.2.4",
"v10.0.2",
"v10.0.3",
"v10.1.0-rc0",
"v7.2.19",
"v10.0.4",
"v10.1.0",
"v10.1.0-rc1",
"v10.1.0-rc2",
"v10.1.0-rc3",
"v10.1.0-rc4",
"v7.2.20",
"v10.0.5",
"v10.1.1",
"v7.2.21",
"v10.0.6",
"v10.1.2",
"v10.2.0-rc1",
"v10.2.0-rc2",
"v10.0.7",
"v10.1.3",
"v7.2.22",
"v10.2.0-rc3",
"v10.2.0-rc4",
"v10.2.0",
"v10.0.8",
"v10.1.4",
"v10.2.1"
]
}
],
"details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34831\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nvirtio_gpu_disable_scanout\nvirtio_gpu_set_scanout\nvirtio_gpu_simple_process_cmd\n```\n",
"id": "OSV-2021-820",
"modified": "2026-02-13T14:27:16.057293Z",
"published": "2021-06-02T00:00:31.619765Z",
"references": [
{
"type": "REPORT",
"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34831"
}
],
"summary": "UNKNOWN READ in virtio_gpu_disable_scanout"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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