CVE-2020-28097

Aliases:UBUNTU-CVE-2020-28097DEBIAN-CVE-2020-28097
Advisory lineage Upstream: 0 Downstream: 10
Modified
Published: 24 Jun 2021, 12:00
Last modified:04 Aug 2024, 16:33

Vulnerability Summary

Overall Risk (default)
medium
34/100
CVSS Score
5.9 MEDIUM
v3.1 (nvd)
EPSS Score
0.52% LOW
1% probability +0.43%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

24 Jun 2021, 12:00
Published
Vulnerability first disclosed
04 Aug 2024, 16:33
Last Modified
Vulnerability information updated

Description

The vgacon subsystem in the Linux kernel before 5.8.10 mishandles software scrollback. There is a vgacon_scrolldelta out-of-bounds read, aka CID-973c096f6a85.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.9CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  • v2.0•LOW•Score: 3.6AV:L/AC:L/Au:N/C:P/I:N/A:P

EPSS Trends

Current EPSS score: 0.52%• Percentile: 43%

Techniques & Countermeasures

  • CWE-125•Out-of-bounds Read

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

Affected Systems

  • debian•linux

    < 5.8.10-1 | < 5.8.10-1 | < 5.8.10-1 | < 5.8.10-1

  • ubuntu•linux

    all | < 4.4.0-197.229 | < 4.15.0-126.129 | < 5.4.0-56.62

  • ubuntu•linux-aws

    < 4.4.0-1082.86 | < 4.4.0-1118.132 | < 4.15.0-1088.93 | < 5.4.0-1030.31

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1030.31~18.04.1

  • ubuntu•linux-aws-fips

    < 4.15.0-2031.32 | all | < 5.4.0-1069.73+fips2

  • ubuntu•linux-aws-hwe

    < 4.15.0-1088.93~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1100.111~14.04.1 | < 4.15.0-1100.111~16.04.1 | all | < 5.4.0-1032.33

  • ubuntu•linux-azure-4.15

    < 4.15.0-1100.111

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1032.33~18.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde-5.15

    < 5.15.0-1114.123~20.04.1

  • ubuntu•linux-azure-fips

    < 4.15.0-2013.15 | all | < 5.4.0-1073.76+fips1

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-dell300x

    < 4.15.0-1007.11

  • ubuntu•linux-fips

    < 4.4.0-1051.57 | all | < 4.15.0-1046.53

  • ubuntu•linux-gcp

    < 4.15.0-1088.101~16.04.1 | all | < 5.4.0-1030.32

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1088.101

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1030.32~18.04.1

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    all | < 5.4.0-1067.71~20.04.1

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.4

    < 5.4.0-1030.32~18.04.1

  • ubuntu•linux-gkeop-5.4

    < 5.4.0-1005.6

  • ubuntu•linux-hwe

    < 4.15.0-126.129~16.04.1 | all

  • ubuntu•linux-hwe-5.4

    < 5.4.0-56.62~18.04.1

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1084.93 | < 4.15.0-1079.81 | < 5.4.0-1028.29

  • ubuntu•linux-lts-xenial

    < 4.4.0-197.229~14.04.1

  • ubuntu•linux-oem

    all

  • ubuntu•linux-oem-5.6

    all

  • ubuntu•linux-oracle

    < 4.15.0-1059.65~16.04.1 | < 4.15.0-1059.65 | < 5.4.0-1030.32

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-oracle-5.3

    all

  • ubuntu•linux-oracle-5.4

    < 5.4.0-1030.32~18.04.1

  • ubuntu•linux-raspi

    < 5.4.0-1023.26

  • ubuntu•linux-raspi-5.4

    < 5.4.0-1023.26~18.04.1

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.15.0-1074.79 | all

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all

  • ubuntu•linux-snapdragon

    < 4.15.0-1091.100

  • linux•linux_kernel

    < 5.8.10

  • netapp•cloud_backup

    na

  • netapp•h300e_firmware

    na

  • netapp•h300s_firmware

    na

Showing first 50 affected entries in server-rendered view.

References (9)