CVE-2022-20008: Low severity Google Android vulnerability

Published May 1, 2022
·
Updated

In mmcblkreadsingle of block.c, there is a possible way to read kernel heap memory due to uninitialized data. This could lead to local information disclosure if reading from an SD card that triggers errors, with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected Software

79 affected componentsFixes available
Google Android
Google Android
debian/linux
6.1.176-16.1.190-16.12.107-16.12.115-27.2.12-17.2.15-1
debian/linux<5.16.11-1
5.16.11-1
debian/linux<5.16.11-1
5.16.11-1
debian/linux<5.16.11-1
5.16.11-1
ubuntu/linux-hwe-edge*
ubuntu/linux-aws-5.4<5.4.0-1075.80~18.04.1
5.4.0-1075.80~18.04.1
ubuntu/linux-azure-5.4<5.4.0-1078.81~18.04.1
5.4.0-1078.81~18.04.1
ubuntu/linux-gcp-5.4<5.4.0-1073.78~18.04.1
5.4.0-1073.78~18.04.1
ubuntu/linux-gke-5.4<5.4.0-1071.76~18.04.3
5.4.0-1071.76~18.04.3
ubuntu/linux-gkeop-5.4<5.4.0-1040.41~18.04.1
5.4.0-1040.41~18.04.1
ubuntu/linux-hwe-5.4<5.4.0-110.124~18.04.1
5.4.0-110.124~18.04.1
ubuntu/linux-ibm-5.4<5.4.0-1021.23~18.04.1
5.4.0-1021.23~18.04.1
ubuntu/linux-oracle-5.4<5.4.0-1071.77~18.04.1
5.4.0-1071.77~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1060.68~18.04.1
5.4.0-1060.68~18.04.1
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-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<5.4.0-110.124
5.4.0-110.124
ubuntu/linux-aws<5.4.0-1073.78
5.4.0-1073.78
ubuntu/linux-aws-5.13<5.13.0-1023.25~20.04.1
5.13.0-1023.25~20.04.1
ubuntu/linux-azure<5.4.0-1078.81
5.4.0-1078.81
ubuntu/linux-azure-5.13<5.13.0-1023.27~20.04.1
5.13.0-1023.27~20.04.1
ubuntu/linux-bluefield<5.4.0-1040.44
5.4.0-1040.44
ubuntu/linux-gcp<5.4.0-1073.78
5.4.0-1073.78
ubuntu/linux-gcp-5.13<5.13.0-1025.30~20.04.1
5.13.0-1025.30~20.04.1
ubuntu/linux-gke<5.4.0-1071.76
5.4.0-1071.76
ubuntu/linux-gkeop<5.4.0-1040.41
5.4.0-1040.41
ubuntu/linux-hwe-5.13<5.13.0-41.46~20.04.1
5.13.0-41.46~20.04.1
ubuntu/linux-ibm<5.4.0-1021.23
5.4.0-1021.23
ubuntu/linux-intel-iotg-5.15<5.15.0-1008.11~20.04.1
5.15.0-1008.11~20.04.1
ubuntu/linux-iot<5.4.0-1004.6
5.4.0-1004.6
ubuntu/linux-kvm<5.4.0-1063.66
5.4.0-1063.66
ubuntu/linux-oem-5.14<5.14.0-1027.30
5.14.0-1027.30
ubuntu/linux-oracle<5.4.0-1071.77
5.4.0-1071.77
ubuntu/linux-oracle-5.13<5.13.0-1028.33~20.04.1
5.13.0-1028.33~20.04.1
ubuntu/linux-raspi<5.4.0-1060.68
5.4.0-1060.68
ubuntu/linux-aws-5.11*
ubuntu/linux-aws-5.8*
ubuntu/linux-azure-5.11*
ubuntu/linux-azure-5.8*
ubuntu/linux-gcp-5.11*
ubuntu/linux-gcp-5.8*
ubuntu/linux-hwe-5.11*
ubuntu/linux-hwe-5.8*
ubuntu/linux-intel-5.13*
ubuntu/linux-oem-5.10*
ubuntu/linux-oem-5.13*
ubuntu/linux-oem-5.6*
ubuntu/linux-oracle-5.11*
ubuntu/linux-oracle-5.8*
ubuntu/linux-raspi2*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.11*
ubuntu/linux-riscv-5.8*
ubuntu/linux-aws-fips<5.4.0-1073.78+fips1
5.4.0-1073.78+fips1
ubuntu/linux-azure-fips<5.4.0-1078.81+fips1
5.4.0-1078.81+fips1
ubuntu/linux-fips<5.4.0-1049.55
5.4.0-1049.55
ubuntu/linux-gcp-fips<5.4.0-1073.78+fips1
5.4.0-1073.78+fips1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux-intel-iot-realtime*
ubuntu/linux-realtime*
ubuntu/linux-raspi-realtime*
ubuntu/linux-vmware*
android/:linux_kernel:>=:0<:2022-05-05
:2022-05-05

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.115-2Fixed in 7.2.12-1Fixed in 7.2.15-1
  2. Upgrade

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

    Fixed in 5.16.11-1
  3. Upgrade

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

    Fixed in 5.4.0-1075.80~18.04.1
  4. Upgrade

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

    Fixed in 5.4.0-1078.81~18.04.1
  5. Upgrade

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

    Fixed in 5.4.0-1073.78~18.04.1
  6. Upgrade

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

    Fixed in 5.4.0-1071.76~18.04.3
  7. Upgrade

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

    Fixed in 5.4.0-1040.41~18.04.1
  8. Upgrade

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

    Fixed in 5.4.0-110.124~18.04.1
  9. Upgrade

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

    Fixed in 5.4.0-1021.23~18.04.1
  10. Upgrade

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

    Fixed in 5.4.0-1071.77~18.04.1
  11. Upgrade

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

    Fixed in 5.4.0-1060.68~18.04.1
  12. Upgrade

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

    Fixed in 5.4.0-110.124
  13. Upgrade

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

    Fixed in 5.4.0-1073.78
  14. Upgrade

    Upgrade ubuntu/linux-aws-5.13 to a version that resolves this vulnerability.

    Fixed in 5.13.0-1023.25~20.04.1
  15. Upgrade

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

    Fixed in 5.4.0-1078.81
  16. Upgrade

    Upgrade ubuntu/linux-azure-5.13 to a version that resolves this vulnerability.

    Fixed in 5.13.0-1023.27~20.04.1
  17. Upgrade

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

    Fixed in 5.4.0-1040.44
  18. Upgrade

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

    Fixed in 5.4.0-1073.78
  19. Upgrade

    Upgrade ubuntu/linux-gcp-5.13 to a version that resolves this vulnerability.

    Fixed in 5.13.0-1025.30~20.04.1
  20. Upgrade

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

    Fixed in 5.4.0-1071.76
  21. Upgrade

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

    Fixed in 5.4.0-1040.41
  22. Upgrade

    Upgrade ubuntu/linux-hwe-5.13 to a version that resolves this vulnerability.

    Fixed in 5.13.0-41.46~20.04.1
  23. Upgrade

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

    Fixed in 5.4.0-1021.23
  24. Upgrade

    Upgrade ubuntu/linux-intel-iotg-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1008.11~20.04.1
  25. Upgrade

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

    Fixed in 5.4.0-1004.6
  26. Upgrade

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

    Fixed in 5.4.0-1063.66
  27. Upgrade

    Upgrade ubuntu/linux-oem-5.14 to a version that resolves this vulnerability.

    Fixed in 5.14.0-1027.30
  28. Upgrade

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

    Fixed in 5.4.0-1071.77
  29. Upgrade

    Upgrade ubuntu/linux-oracle-5.13 to a version that resolves this vulnerability.

    Fixed in 5.13.0-1028.33~20.04.1
  30. Upgrade

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

    Fixed in 5.4.0-1060.68
  31. Upgrade

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

    Fixed in 5.4.0-1073.78+fips1
  32. Upgrade

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

    Fixed in 5.4.0-1078.81+fips1
  33. Upgrade

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

    Fixed in 5.4.0-1049.55
  34. Upgrade

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

    Fixed in 5.4.0-1073.78+fips1
  35. Upgrade

    Upgrade android/:linux_kernel: to a version that resolves this vulnerability.

    Fixed in :2022-05-05

Event History

May 1, 2022
Advisory Published
via OSV·12:00 AM
Data Sourced
via OSV·12:00 AM
DescriptionAffected Software
May 2, 2022
CVE Published
via Android·12:00 AM
Data Sourced
via Android·12:00 AM
SeverityWeaknessAffected Software
May 10, 2022
CVE Published
via MITRE·07:56 PM
Data Sourced
via MITRE·07:56 PM
DescriptionWeakness
Data Sourced
via OSV·08:15 PM
Severity

Frequently Asked Questions

1

What is the severity of CVE-2022-20008?

CVE-2022-20008 has a moderate severity rating due to its potential for local information disclosure.

2

How do I fix CVE-2022-20008?

To fix CVE-2022-20008, update your Android system to the latest supported kernel version that includes security patches.

3

What could be exploited in CVE-2022-20008?

CVE-2022-20008 can be exploited to read uninitialized kernel heap memory when errors occur while reading from an SD card.

4

Who is affected by CVE-2022-20008?

CVE-2022-20008 affects devices running Google Android with specific kernel versions that have not been updated.

5

Is user interaction required to exploit CVE-2022-20008?

No, user interaction is not required to exploit CVE-2022-20008, making it more concerning for affected systems.

Company

Resources

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