CVE-2020-14386

Aliases:UBUNTU-CVE-2020-14386DEBIAN-CVE-2020-14386
Advisory lineage Upstream: 0 Downstream: 39
Modified
Published: 16 Sept 2020, 12:48
Last modified:04 Aug 2024, 12:46

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
1.31% LOW
1% probability +0.71%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Sept 2020, 12:48
Published
Vulnerability first disclosed
04 Aug 2024, 12:46
Last Modified
Vulnerability information updated

Description

A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • 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•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 1.31%• Percentile: 69%

Techniques & Countermeasures

  • CWE-250•Execution with Unnecessary Privileges

    The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.

  • CWE-787•Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • debian•linux

    < 5.8.7-1 | < 5.8.7-1 | < 5.8.7-1 | < 5.8.7-1

  • ubuntu•linux

    < 4.15.0-117.118 | < 5.4.0-47.51

  • ubuntu•linux-aws

    < 4.15.0-1082.86 | < 5.4.0-1024.24

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.3

    < 5.3.0-1035.37

  • ubuntu•linux-aws-5.4

    < 5.4.0-1024.24~18.04.1

  • ubuntu•linux-aws-fips

    < 4.15.0-2026.26 | all | < 5.4.0-1069.73+fips2

  • ubuntu•linux-aws-hwe

    < 4.15.0-1082.86~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1095.105~14.04.1 | < 4.15.0-1095.105~16.04.1 | all | < 5.4.0-1025.25

  • ubuntu•linux-azure-4.15

    < 4.15.0-1095.105

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1025.25~18.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2008.9 | all | < 5.4.0-1073.76+fips1

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-fips

    < 4.15.0-1040.45 | all

  • ubuntu•linux-gcp

    < 4.15.0-1083.94~16.04.1 | all | < 5.4.0-1024.24

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1083.94

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1024.24~18.04.1

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    all | < 5.4.0-1067.71~20.04.1

  • ubuntu•linux-gke

    all

  • ubuntu•linux-gke-4.15

    < 4.15.0-1069.72

  • ubuntu•linux-gke-5.0

    < 5.0.0-1047.48

  • ubuntu•linux-gke-5.3

    < 5.3.0-1036.38

  • ubuntu•linux-hwe

    < 4.15.0-117.118~16.04.1 | < 5.3.0-67.61

  • ubuntu•linux-hwe-5.4

    < 5.4.0-47.51~18.04.1

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.15.0-1074.75 | < 5.4.0-1023.23

  • ubuntu•linux-oem

    < 4.15.0-1096.106

  • ubuntu•linux-oem-5.6

    < 5.6.0-1026.26

  • ubuntu•linux-oem-osp1

    < 5.0.0-1068.73

  • ubuntu•linux-oracle

    < 4.15.0-1053.57~16.04.1 | < 4.15.0-1053.57 | < 5.4.0-1024.24

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-oracle-5.3

    all

  • ubuntu•linux-oracle-5.4

    < 5.4.0-1024.24~18.04.1

  • ubuntu•linux-raspi

    < 5.4.0-1018.20

  • ubuntu•linux-raspi-5.4

    < 5.4.0-1018.20~18.04.1

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.15.0-1070.74 | all

  • ubuntu•linux-raspi2-5.3

    < 5.3.0-1033.35

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    < 5.4.0-33.37 | all

  • ubuntu•linux-snapdragon

    < 4.15.0-1086.94

  • debian•debian_linux

    9.0

  • fedoraproject•fedora

    33

  • linux kernel•kernel

    < 5.9-rc4

Showing first 50 affected entries in server-rendered view.

References (20)