Overview
- Description
- Use-after-free vulnerability in the vmxnet3_io_bar0_write function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU instance crash) by leveraging failure to check if the device is active.
- Source
- secalert@redhat.com
- NVD status
- Modified
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 4.4
- Impact score
- 3.6
- Exploitability score
- 0.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 2.1
- Impact score
- 2.9
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
- nvd@nist.gov
- CWE-416
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3CF78B06-34D3-4BF8-883B-7B9643BBA7CE",
"versionEndIncluding": "2.6.2"
},
{
"criteria": "cpe:2.3:a:qemu:qemu:2.7.0:rc0:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FA78F261-DEB3-46D5-9998-106F6210755E"
},
{
"criteria": "cpe:2.3:a:qemu:qemu:2.7.0:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F121048B-9387-40C6-A919-7F9A4A847EA5"
},
{
"criteria": "cpe:2.3:a:qemu:qemu:2.7.0:rc2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7A102329-A5FB-4B9C-9094-BDA595807A56"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
}
],
"operator": "OR"
}
]
}
]