UBUNTU-CVE-2016-7796

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Source
https://ubuntu.com/security/CVE-2016-7796
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7796.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-7796
Upstream
Published
2016-10-13T14:59:00Z
Modified
2025-09-08T16:43:52Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

The managerdispatchnotify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which causes an error to be returned and the notification handler to be disabled.

References

Affected packages

Ubuntu:16.04:LTS / systemd

Package

Name
systemd
Purl
pkg:deb/ubuntu/systemd@229-4ubuntu11?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
229-4ubuntu11

Affected versions

Other

225-1ubuntu9
227-2ubuntu1
227-2ubuntu2
228-1ubuntu2
228-2ubuntu1
228-2ubuntu2
228-3ubuntu1
228-4ubuntu1
228-4ubuntu2
228-5ubuntu1
228-5ubuntu2
228-5ubuntu3
228-6ubuntu1
229-1ubuntu2
229-1ubuntu4
229-2ubuntu1
229-3ubuntu1
229-3ubuntu2
229-4ubuntu1
229-4ubuntu4
229-4ubuntu5
229-4ubuntu6
229-4ubuntu7
229-4ubuntu8
229-4ubuntu10

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "229-4ubuntu11",
            "binary_name": "libnss-myhostname"
        },
        {
            "binary_version": "229-4ubuntu11",
            "binary_name": "libnss-mymachines"
        },
        {
            "binary_version": "229-4ubuntu11",
            "binary_name": "libnss-resolve"
        },
        {
            "binary_version": "229-4ubuntu11",
            "binary_name": "libpam-systemd"
        },
        {
            "binary_version": "229-4ubuntu11",
            "binary_name": "libsystemd-dev"
        },
        {
            "binary_version": "229-4ubuntu11",
            "binary_name": "libsystemd0"
        },
        {
            "binary_version": "229-4ubuntu11",
            "binary_name": "libudev-dev"
        },
        {
            "binary_version": "229-4ubuntu11",
            "binary_name": "libudev1"
        },
        {
            "binary_version": "229-4ubuntu11",
            "binary_name": "systemd"
        },
        {
            "binary_version": "229-4ubuntu11",
            "binary_name": "systemd-container"
        },
        {
            "binary_version": "229-4ubuntu11",
            "binary_name": "systemd-coredump"
        },
        {
            "binary_version": "229-4ubuntu11",
            "binary_name": "systemd-journal-remote"
        },
        {
            "binary_version": "229-4ubuntu11",
            "binary_name": "systemd-sysv"
        },
        {
            "binary_version": "229-4ubuntu11",
            "binary_name": "udev"
        }
    ]
}