CVE-2016-2853

Aliases:UBUNTU-CVE-2016-2853DEBIAN-CVE-2016-2853
Advisory lineage Upstream: 0 Downstream: 3
Modified
Published: 02 May 2016, 10:00
Last modified:05 Aug 2024, 23:32

Vulnerability Summary

Overall Risk (default)
medium
41/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.91% LOW
1% probability +0.69%
KEV
Not listed
Ransomware
No reports
Public exploits
3 found
Dark Web
Not detected

Timeline

02 May 2016, 10:00
Published
Vulnerability first disclosed
05 Aug 2024, 23:32
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
  • v2.0•MEDIUM•Score: 4.4AV:L/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.91%• Percentile: 58%

Techniques & Countermeasures

  • CWE-269•Improper Privilege Management

    The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Affected Systems

  • debian•linux

    < 3.18-1~exp1 | < 3.18-1~exp1 | < 3.18-1~exp1 | < 3.18-1~exp1

  • 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-fde-7.0

    all

  • ubuntu•linux-azure-fips

    all

  • ubuntu•linux-bluefield

    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 | 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

  • 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-7.0

    all

  • ubuntu•linux-nvidia-bos

    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

  • ubuntu•linux-realtime

    all | all | all | all | all

  • ubuntu•linux-realtime-6.14

    all

  • ubuntu•linux-realtime-6.17

    all

  • ubuntu•linux-realtime-6.8

    all

  • linux•linux_kernel

    ≥ 3.0.0, ≤ 3.19.8 | ≥ 4.0.0, ≤ 4.20.15

References (9)