Overview
- Description
- The cirrus_do_copy function in hw/display/cirrus_vga.c in QEMU (aka Quick Emulator), when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving blit pitch values.
- Source
- secalert@redhat.com
- NVD status
- Modified
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 5.5
- Impact score
- 3.6
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:L/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-369
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F83E2010-6463-407A-928D-DB71A705A04C",
"versionEndIncluding": "2.7.1"
},
{
"criteria": "cpe:2.3:a:qemu:qemu:2.8.0:rc0:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "58947AD5-A971-4E22-8D8A-634E2ED5DECD"
},
{
"criteria": "cpe:2.3:a:qemu:qemu:2.8.0:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "62294521-D8AD-43C1-9B53-D75243DC9A5B"
},
{
"criteria": "cpe:2.3:a:qemu:qemu:2.8.0:rc2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "436470C3-919A-40F0-9813-A34CD8F7CF29"
}
],
"operator": "OR"
}
]
}
]