CVE-2016-9921

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Source
https://cve.org/CVERecord?id=CVE-2016-9921
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-9921.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2016-9921
Downstream
Related
Published
2016-12-23T22:59:00.550Z
Modified
2026-03-14T14:24:47.208211Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Quick emulator (Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to a divide by zero issue. It could occur while copying VGA data when cirrus graphics mode was set to be VGA. A privileged user inside guest could use this flaw to crash the Qemu process instance on the host, resulting in DoS.

References

Affected packages

Git / github.com/qemu/qemu

Affected ranges

Type
GIT
Repo
https://github.com/qemu/qemu
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
0d83fccb4fb3140d21feeb37ba069ba71029aaa7
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
b0bcc86d2a87456f5a276f941dc775b265b309cf
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
00227fefd2059464cd2f59aed29944874c630e2f
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
1cd56fd2e14f67ead2f0458b4ae052f19865c41c
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
c1eb2ddf0f8075faddc5f7c3d39feae3e8e9d6b4
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
609d7596524ab204ccd71ef42c9eee4c7c338ea4
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
823a3f11fb8f04c3c3cc0f95f968fef1bfc6534f
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
131b9a05705636086699df15d4a6d328bb2585e8
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.7.1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.8.0-rc0"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.8.0-rc1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.8.0-rc2"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "8.0"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "6.0"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "7.0"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "4.0"
        }
    ]
}

Affected versions

v0.*
v0.1.0
v0.1.1
v0.1.3
v0.1.4
v0.1.5
v0.1.6
v0.11.0-rc0
v0.12.0-rc0
v0.13.0-rc0
v0.14.0-rc0
v0.15.0-rc0
v0.2.0
v0.3.0
v0.4.0
v0.4.1
v0.4.2
v0.4.3
v0.4.4
v0.5.0
v1.*
v1.0
v1.0-rc0
v1.0-rc1
v1.0-rc2
v1.0-rc3
v1.0-rc4
v1.1-rc0
v1.1-rc1
v1.1-rc2
v1.1.0
v1.1.0-rc2
v1.1.0-rc3
v1.1.0-rc4
v1.2.0
v1.2.0-rc0
v1.2.0-rc1
v1.2.0-rc2
v1.2.0-rc3
v1.3.0
v1.3.0-rc0
v1.3.0-rc1
v1.3.0-rc2
v1.4.0
v1.4.0-rc0
v1.4.0-rc1
v1.4.0-rc2
v1.5.0
v1.5.0-rc0
v1.5.0-rc1
v1.5.0-rc2
v1.5.0-rc3
v1.6.0
v1.6.0-rc0
v1.6.0-rc1
v1.6.0-rc2
v1.6.0-rc3
v1.7.0
v1.7.0-rc0
v1.7.0-rc1
v1.7.0-rc2
v2.*
v2.0.0
v2.0.0-rc0
v2.0.0-rc1
v2.0.0-rc2
v2.0.0-rc3
v2.1.0
v2.1.0-rc0
v2.1.0-rc1
v2.1.0-rc2
v2.1.0-rc3
v2.1.0-rc4
v2.1.0-rc5
v2.2.0
v2.2.0-rc0
v2.2.0-rc1
v2.2.0-rc2
v2.2.0-rc3
v2.2.0-rc4
v2.2.0-rc5
v2.3.0
v2.3.0-rc0
v2.3.0-rc1
v2.3.0-rc2
v2.3.0-rc3
v2.3.0-rc4
v2.4.0
v2.4.0-rc0
v2.4.0-rc1
v2.4.0-rc2
v2.4.0-rc3
v2.4.0-rc4
v2.5.0
v2.5.0-rc0
v2.5.0-rc1
v2.5.0-rc2
v2.5.0-rc3
v2.5.0-rc4
v2.6.0
v2.6.0-rc0
v2.6.0-rc1
v2.6.0-rc2
v2.6.0-rc3
v2.6.0-rc4
v2.6.0-rc5
v2.7.0
v2.7.0-rc0
v2.7.0-rc1
v2.7.0-rc2
v2.7.0-rc3
v2.7.0-rc4
v2.7.0-rc5
v2.7.1
v2.8.0-rc0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-9921.json"
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "8"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "11"
            }
        ]
    }
]