UBUNTU-CVE-2016-4951

Advisory lineage Upstream: 1 Downstream: 6
Upstream
CVE-2016-4951
Published: 23 May 2016, 00:00
Last modified:22 Apr 2026, 10:45

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 May 2016, 00:00
Published
Vulnerability first disclosed
22 Apr 2026, 10:45
Last Modified
Vulnerability information updated

Description

The tipc_nl_publ_dump function in net/tipc/socket.c in the Linux kernel through 4.6 does not verify socket existence, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a dumpit operation.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v3.0•HIGH•Score: 7.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • ubuntu•linux

    < 4.4.0-28.47

  • ubuntu•linux-lts-vivid

    < 3.19.0-64.72~14.04.1

  • ubuntu•linux-lts-wily

    < 4.2.0-41.48~14.04.1

  • ubuntu•linux-lts-xenial

    < 4.4.0-28.47~14.04.1

  • ubuntu•linux-raspi2

    < 4.4.0-1016.22

  • ubuntu•linux-snapdragon

    < 4.4.0-1019.22

References (12)