CVE-2020-28097: Medium severity Linux Linux kernel vulnerability

Published Jun 24, 2021
·
Updated

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

Affected Software

107 affected componentsFixes available
Linux Linux kernel<5.8.10
NetApp Cloud Backup
NetApp H410c Firmware
NetApp H410c
NetApp H300s Firmware
NetApp H300s
NetApp H500s Firmware
NetApp H500s
NetApp H700s Firmware
NetApp H700s
NetApp H300e Firmware
NetApp H300e
NetApp H500e Firmware
NetApp H500e
NetApp H700e Firmware
NetApp H700e
NetApp H410s Firmware
NetApp H410s
All of the following
NetApp H410c Firmware
NetApp H410c
All of the following
NetApp H300s Firmware
NetApp H300s
All of the following
NetApp H500s Firmware
NetApp H500s
All of the following
NetApp H700s Firmware
NetApp H700s
All of the following
NetApp H300e Firmware
NetApp H300e
All of the following
NetApp H500e Firmware
NetApp H500e
All of the following
NetApp H700e Firmware
NetApp H700e
All of the following
NetApp H410s Firmware
NetApp H410s
ubuntu/linux-aws<4.4.0-1082.86
4.4.0-1082.86
ubuntu/linux-azure<4.15.0-1100.111~14.04.1
4.15.0-1100.111~14.04.1
ubuntu/linux-lts-xenial<4.4.0-197.229~14.04.1
4.4.0-197.229~14.04.1
ubuntu/linux*
ubuntu/linux<4.4.0-197.229
4.4.0-197.229
ubuntu/linux-aws<4.4.0-1118.132
4.4.0-1118.132
ubuntu/linux-aws-hwe<4.15.0-1088.93~16.04.1
4.15.0-1088.93~16.04.1
ubuntu/linux-azure<4.15.0-1100.111~16.04.1
4.15.0-1100.111~16.04.1
ubuntu/linux-gcp<4.15.0-1088.101~16.04.1
4.15.0-1088.101~16.04.1
ubuntu/linux-hwe<4.15.0-126.129~16.04.1
4.15.0-126.129~16.04.1
ubuntu/linux-kvm<4.4.0-1084.93
4.4.0-1084.93
ubuntu/linux-oracle<4.15.0-1059.65~16.04.1
4.15.0-1059.65~16.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-fips<4.4.0-1051.57
4.4.0-1051.57
ubuntu/linux-fips*
ubuntu/linux<4.15.0-126.129
4.15.0-126.129
ubuntu/linux-aws<4.15.0-1088.93
4.15.0-1088.93
ubuntu/linux-aws-5.4<5.4.0-1030.31~18.04.1
5.4.0-1030.31~18.04.1
ubuntu/linux-azure-4.15<4.15.0-1100.111
4.15.0-1100.111
ubuntu/linux-azure-5.4<5.4.0-1032.33~18.04.1
5.4.0-1032.33~18.04.1
ubuntu/linux-dell300x<4.15.0-1007.11
4.15.0-1007.11
ubuntu/linux-gcp-4.15<4.15.0-1088.101
4.15.0-1088.101
ubuntu/linux-gcp-5.4<5.4.0-1030.32~18.04.1
5.4.0-1030.32~18.04.1
ubuntu/linux-gke-5.4<5.4.0-1030.32~18.04.1
5.4.0-1030.32~18.04.1
ubuntu/linux-gkeop-5.4<5.4.0-1005.6
5.4.0-1005.6
ubuntu/linux-hwe-5.4<5.4.0-56.62~18.04.1
5.4.0-56.62~18.04.1
ubuntu/linux-kvm<4.15.0-1079.81
4.15.0-1079.81
ubuntu/linux-oracle<4.15.0-1059.65
4.15.0-1059.65
ubuntu/linux-oracle-5.4<5.4.0-1030.32~18.04.1
5.4.0-1030.32~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1023.26~18.04.1
5.4.0-1023.26~18.04.1
ubuntu/linux-raspi2<4.15.0-1074.79
4.15.0-1074.79
ubuntu/linux-snapdragon<4.15.0-1091.100
4.15.0-1091.100
ubuntu/linux-aws-5.0*
ubuntu/linux-aws-5.3*
ubuntu/linux-azure*
ubuntu/linux-azure-5.3*
ubuntu/linux-azure-edge*
ubuntu/linux-gcp*
ubuntu/linux-gcp-5.3*
ubuntu/linux-gcp-edge*
ubuntu/linux-gke-4.15*
ubuntu/linux-hwe*
ubuntu/linux-hwe-edge*
ubuntu/linux-oem*
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-aws-fips<4.15.0-2031.32
4.15.0-2031.32
ubuntu/linux-azure-fips<4.15.0-2013.15
4.15.0-2013.15
ubuntu/linux-fips<4.15.0-1046.53
4.15.0-1046.53
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.4.0-56.62
5.4.0-56.62
ubuntu/linux-aws<5.4.0-1030.31
5.4.0-1030.31
ubuntu/linux-azure<5.4.0-1032.33
5.4.0-1032.33
ubuntu/linux-gcp<5.4.0-1030.32
5.4.0-1030.32
ubuntu/linux-kvm<5.4.0-1028.29
5.4.0-1028.29
ubuntu/linux-oracle<5.4.0-1030.32
5.4.0-1030.32
ubuntu/linux-raspi<5.4.0-1023.26
5.4.0-1023.26
ubuntu/linux-azure-fde-5.15<5.15.0-1114.123~20.04.1
5.15.0-1114.123~20.04.1
ubuntu/linux-oem-5.6*
ubuntu/linux-raspi2*
ubuntu/linux-riscv*
ubuntu/linux-aws-fips<5.4.0-1069.73+fips2
5.4.0-1069.73+fips2
ubuntu/linux-azure-fips<5.4.0-1073.76+fips1
5.4.0-1073.76+fips1
ubuntu/linux-gcp-fips<5.4.0-1067.71~20.04.1
5.4.0-1067.71~20.04.1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux-intel-iot-realtime*
ubuntu/linux-realtime*
ubuntu/linux-raspi-realtime*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.4.0-1082.86
  2. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 4.15.0-1100.111~14.04.1
  3. Upgrade

    Upgrade ubuntu/linux-lts-xenial to a version that resolves this vulnerability.

    Fixed in 4.4.0-197.229~14.04.1
  4. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 4.4.0-197.229
  5. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.4.0-1118.132
  6. Upgrade

    Upgrade ubuntu/linux-aws-hwe to a version that resolves this vulnerability.

    Fixed in 4.15.0-1088.93~16.04.1
  7. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 4.15.0-1100.111~16.04.1
  8. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 4.15.0-1088.101~16.04.1
  9. Upgrade

    Upgrade ubuntu/linux-hwe to a version that resolves this vulnerability.

    Fixed in 4.15.0-126.129~16.04.1
  10. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 4.4.0-1084.93
  11. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 4.15.0-1059.65~16.04.1
  12. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 4.4.0-1051.57
  13. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 4.15.0-126.129
  14. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.15.0-1088.93
  15. Upgrade

    Upgrade ubuntu/linux-aws-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1030.31~18.04.1
  16. Upgrade

    Upgrade ubuntu/linux-azure-4.15 to a version that resolves this vulnerability.

    Fixed in 4.15.0-1100.111
  17. Upgrade

    Upgrade ubuntu/linux-azure-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1032.33~18.04.1
  18. Upgrade

    Upgrade ubuntu/linux-dell300x to a version that resolves this vulnerability.

    Fixed in 4.15.0-1007.11
  19. Upgrade

    Upgrade ubuntu/linux-gcp-4.15 to a version that resolves this vulnerability.

    Fixed in 4.15.0-1088.101
  20. Upgrade

    Upgrade ubuntu/linux-gcp-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1030.32~18.04.1
  21. Upgrade

    Upgrade ubuntu/linux-gke-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1030.32~18.04.1
  22. Upgrade

    Upgrade ubuntu/linux-gkeop-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1005.6
  23. Upgrade

    Upgrade ubuntu/linux-hwe-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-56.62~18.04.1
  24. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 4.15.0-1079.81
  25. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 4.15.0-1059.65
  26. Upgrade

    Upgrade ubuntu/linux-oracle-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1030.32~18.04.1
  27. Upgrade

    Upgrade ubuntu/linux-raspi-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1023.26~18.04.1
  28. Upgrade

    Upgrade ubuntu/linux-raspi2 to a version that resolves this vulnerability.

    Fixed in 4.15.0-1074.79
  29. Upgrade

    Upgrade ubuntu/linux-snapdragon to a version that resolves this vulnerability.

    Fixed in 4.15.0-1091.100
  30. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-2031.32
  31. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-2013.15
  32. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-1046.53
  33. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 5.4.0-56.62
  34. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 5.4.0-1030.31
  35. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 5.4.0-1032.33
  36. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 5.4.0-1030.32
  37. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 5.4.0-1028.29
  38. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 5.4.0-1030.32
  39. Upgrade

    Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.

    Fixed in 5.4.0-1023.26
  40. Upgrade

    Upgrade ubuntu/linux-azure-fde-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1114.123~20.04.1
  41. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1069.73+fips2
  42. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1073.76+fips1
  43. Upgrade

    Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1067.71~20.04.1

Event History

Jun 24, 2021
CVE Published
via MITRE·12:00 PM
Data Sourced
via MITRE·12:00 PM
Description
Data Sourced
via OSV·12:15 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·12:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the vulnerability ID of this vulnerability?

The vulnerability ID is CVE-2020-28097.

2

What is the severity rating of CVE-2020-28097?

The severity rating of CVE-2020-28097 is medium (5.9).

3

What software is affected by CVE-2020-28097?

Linux kernel versions before 5.8.10, Netapp Cloud Backup, Netapp H410c Firmware.

4

How does CVE-2020-28097 affect Netapp H410c?

Netapp H410c is affected by CVE-2020-28097.

5

How can I fix CVE-2020-28097?

Update your Linux kernel to version 5.8.10 or above.

Company

Resources

Contact

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