UBUNTU-CVE-2016-2853

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2016-2853
Downstream
USN-5343-1
Published: 02 May 2016, 10:59
Last modified:03 Jun 2026, 13:31

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

02 May 2016, 10:59
Published
Vulnerability first disclosed
03 Jun 2026, 13:31
Last Modified
Vulnerability information updated

Description

The aufs module for the Linux kernel 3.x and 4.x does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an aufs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.

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

Affected Systems

  • ubuntu•linux

    all | < 4.4.0-222.255

  • ubuntu•linux-aws

    < 4.4.0-1102.107 | < 4.4.0-1138.152

  • ubuntu•linux-aws-fips

    all

  • ubuntu•linux-azure-fde

    all | all | all | all

  • ubuntu•linux-azure-fde-6.17

    all

  • ubuntu•linux-azure-fde-6.8

    all

  • ubuntu•linux-azure-fips

    all

  • ubuntu•linux-bluefield

    all | all

  • ubuntu•linux-fips

    all

  • ubuntu•linux-gcp

    all

  • ubuntu•linux-gcp-4.15

    all

  • ubuntu•linux-gcp-fips

    all

  • ubuntu•linux-gke

    all | all

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    all

  • ubuntu•linux-gkeop

    all | all

  • ubuntu•linux-gkeop-5.15

    all

  • ubuntu•linux-hwe-edge

    all

  • ubuntu•linux-ibm

    all | all | all

  • ubuntu•linux-ibm-5.15

    all

  • ubuntu•linux-ibm-6.8

    all

  • ubuntu•linux-intel-iot-realtime

    all | all | all

  • ubuntu•linux-kvm

    < 4.4.0-1103.112

  • ubuntu•linux-lts-xenial

    < 4.4.0-222.255~14.04.1

  • ubuntu•linux-nvidia

    all | all

  • ubuntu•linux-nvidia-6.8

    all

  • ubuntu•linux-nvidia-lowlatency

    all

  • ubuntu•linux-nvidia-tegra

    all | all

  • ubuntu•linux-nvidia-tegra-5.15

    all

  • ubuntu•linux-nvidia-tegra-igx

    all

  • ubuntu•linux-oem-5.14

    all

  • ubuntu•linux-oem-6.0

    all

  • ubuntu•linux-raspi-realtime

    all | all | all

  • ubuntu•linux-realtime

    all | all | all | all | all | all

  • ubuntu•linux-realtime-6.14

    all | all

  • ubuntu•linux-realtime-6.17

    all

  • ubuntu•linux-realtime-6.8

    all | all

References (5)