UBUNTU-CVE-2016-9846

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Source
https://ubuntu.com/security/CVE-2016-9846
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9846.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2016-9846
Upstream
Downstream
Related
Published
2016-12-29T00:00:00Z
Modified
2025-09-08T16:43:57Z
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
  • 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in updatecursordata_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.

References

Affected packages

Ubuntu:16.04:LTS / qemu

Package

Name
qemu
Purl
pkg:deb/ubuntu/qemu@1:2.5+dfsg-5ubuntu10.11?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.5+dfsg-5ubuntu10.11

Affected versions

1:2.*

1:2.3+dfsg-5ubuntu9
1:2.3+dfsg-5ubuntu10
1:2.4+dfsg-4ubuntu1
1:2.4+dfsg-4ubuntu2
1:2.4+dfsg-4ubuntu3
1:2.4+dfsg-5ubuntu3
1:2.5+dfsg-1ubuntu2
1:2.5+dfsg-1ubuntu3
1:2.5+dfsg-1ubuntu4
1:2.5+dfsg-1ubuntu5
1:2.5+dfsg-5ubuntu1
1:2.5+dfsg-5ubuntu2
1:2.5+dfsg-5ubuntu4
1:2.5+dfsg-5ubuntu6
1:2.5+dfsg-5ubuntu7
1:2.5+dfsg-5ubuntu10
1:2.5+dfsg-5ubuntu10.1
1:2.5+dfsg-5ubuntu10.2
1:2.5+dfsg-5ubuntu10.3
1:2.5+dfsg-5ubuntu10.4
1:2.5+dfsg-5ubuntu10.5
1:2.5+dfsg-5ubuntu10.6
1:2.5+dfsg-5ubuntu10.7
1:2.5+dfsg-5ubuntu10.8
1:2.5+dfsg-5ubuntu10.9
1:2.5+dfsg-5ubuntu10.10

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "qemu",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-block-extra",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-guest-agent",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-kvm",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-system",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-system-aarch64",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-system-arm",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-system-common",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-system-mips",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-system-misc",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-system-ppc",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-system-s390x",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-system-sparc",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-system-x86",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-user",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-user-binfmt",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-user-static",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        },
        {
            "binary_name": "qemu-utils",
            "binary_version": "1:2.5+dfsg-5ubuntu10.11"
        }
    ]
}