CVE-2019-15214: Use After Free

Published Aug 19, 2019
·
Updated

An issue was discovered in the Linux kernel before 5.0.10. There is a use-after-free in the sound subsystem because card disconnection causes certain data structures to be deleted too early. This is related to sound/core/init.c and sound/core/info.c.

Affected Software

47 affected componentsFixes available
Linux Linux kernel<5.0.10
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
openSUSE Leap=15.0
openSUSE Leap=15.1
debian/linux
5.10.223-15.10.234-16.1.129-16.1.133-16.12.22-1
Google Android
ubuntu/linux-aws<4.4.0-1054.58
4.4.0-1054.58
ubuntu/linux-azure<4.15.0-1059.64~14.04.1
4.15.0-1059.64~14.04.1
ubuntu/linux-lts-xenial<4.4.0-164.192~14.04.1
4.4.0-164.192~14.04.1
ubuntu/linux*
ubuntu/linux<4.4.0-150.176
4.4.0-150.176
ubuntu/linux-aws<4.4.0-1084.94
4.4.0-1084.94
ubuntu/linux-aws-hwe<4.15.0-1047.49~16.04.1
4.15.0-1047.49~16.04.1
ubuntu/linux-azure<4.15.0-1056.61
4.15.0-1056.61
ubuntu/linux-gcp<4.15.0-1041.43
4.15.0-1041.43
ubuntu/linux-hwe<4.15.0-60.67~16.04.1
4.15.0-60.67~16.04.1
ubuntu/linux-kvm<4.4.0-1047.53
4.4.0-1047.53
ubuntu/linux-oracle<4.15.0-1022.25~16.04.1
4.15.0-1022.25~16.04.1
ubuntu/linux-raspi2<4.4.0-1110.118
4.4.0-1110.118
ubuntu/linux-snapdragon<4.4.0-1114.119
4.4.0-1114.119
ubuntu/linux-fips<4.4.0-1011.14
4.4.0-1011.14
ubuntu/linux<4.15.0-60.67
4.15.0-60.67
ubuntu/linux-aws<4.15.0-1047.49
4.15.0-1047.49
ubuntu/linux-azure<5.0.0-1014.14~18.04.1
5.0.0-1014.14~18.04.1
ubuntu/linux-gcp<4.15.0-1042.45
4.15.0-1042.45
ubuntu/linux-gke-4.15<4.15.0-1041.43
4.15.0-1041.43
ubuntu/linux-hwe<5.0.0-23.24~18.04.1
5.0.0-23.24~18.04.1
ubuntu/linux-kvm<4.15.0-1043.43
4.15.0-1043.43
ubuntu/linux-oem<4.15.0-1056.65
4.15.0-1056.65
ubuntu/linux-oem-osp1<5.0.0-1015.16
5.0.0-1015.16
ubuntu/linux-oracle<4.15.0-1022.25
4.15.0-1022.25
ubuntu/linux-raspi2<4.15.0-1044.47
4.15.0-1044.47
ubuntu/linux-snapdragon<4.15.0-1062.69
4.15.0-1062.69
ubuntu/linux-hwe-edge*
ubuntu/linux-aws-fips<4.15.0-2018.18
4.15.0-2018.18
ubuntu/linux-azure-fips<4.15.0-2006.7
4.15.0-2006.7
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux-azure-fde*
ubuntu/linux-gke*
ubuntu/linux-riscv*
ubuntu/linux-intel-iot-realtime*
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-raspi-realtime*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.133-1Fixed in 6.12.22-1
  2. Upgrade

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

    Fixed in 4.4.0-1054.58
  3. Upgrade

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

    Fixed in 4.15.0-1059.64~14.04.1
  4. Upgrade

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

    Fixed in 4.4.0-164.192~14.04.1
  5. Upgrade

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

    Fixed in 4.4.0-150.176
  6. Upgrade

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

    Fixed in 4.4.0-1084.94
  7. Upgrade

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

    Fixed in 4.15.0-1047.49~16.04.1
  8. Upgrade

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

    Fixed in 4.15.0-1056.61
  9. Upgrade

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

    Fixed in 4.15.0-1041.43
  10. Upgrade

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

    Fixed in 4.15.0-60.67~16.04.1
  11. Upgrade

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

    Fixed in 4.4.0-1047.53
  12. Upgrade

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

    Fixed in 4.15.0-1022.25~16.04.1
  13. Upgrade

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

    Fixed in 4.4.0-1110.118
  14. Upgrade

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

    Fixed in 4.4.0-1114.119
  15. Upgrade

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

    Fixed in 4.4.0-1011.14
  16. Upgrade

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

    Fixed in 4.15.0-60.67
  17. Upgrade

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

    Fixed in 4.15.0-1047.49
  18. Upgrade

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

    Fixed in 5.0.0-1014.14~18.04.1
  19. Upgrade

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

    Fixed in 4.15.0-1042.45
  20. Upgrade

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

    Fixed in 4.15.0-1041.43
  21. Upgrade

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

    Fixed in 5.0.0-23.24~18.04.1
  22. Upgrade

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

    Fixed in 4.15.0-1043.43
  23. Upgrade

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

    Fixed in 4.15.0-1056.65
  24. Upgrade

    Upgrade ubuntu/linux-oem-osp1 to a version that resolves this vulnerability.

    Fixed in 5.0.0-1015.16
  25. Upgrade

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

    Fixed in 4.15.0-1022.25
  26. Upgrade

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

    Fixed in 4.15.0-1044.47
  27. Upgrade

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

    Fixed in 4.15.0-1062.69
  28. Upgrade

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

    Fixed in 4.15.0-2018.18
  29. Upgrade

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

    Fixed in 4.15.0-2006.7
  30. Upgrade

    Upgrade Linux kernel to a version that resolves this vulnerability.

    Fixed in 5.0.10

Event History

Aug 19, 2019
CVE Published
via OSV·12:00 AM
Data Sourced
via OSV·12:00 AM
DescriptionSeverityAffected Software
CVE Published
via MITRE·09:46 PM
Data Sourced
via MITRE·09:46 PM
Description
Jan 6, 2020
Data Sourced
via Android·12:00 AM
SeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2019-15214?

CVE-2019-15214 is classified as a high severity vulnerability due to the risk of a use-after-free condition in the Linux kernel sound subsystem.

2

What software versions are affected by CVE-2019-15214?

CVE-2019-15214 affects Linux kernel versions prior to 5.0.10, as well as specific versions of Google Android and Ubuntu Linux.

3

How do I fix CVE-2019-15214?

To fix CVE-2019-15214, update the Linux kernel to version 5.0.10 or later, or apply the necessary patches provided by your distribution.

4

What type of vulnerability is CVE-2019-15214?

CVE-2019-15214 is a use-after-free vulnerability that occurs in the sound subsystem of the Linux kernel.

5

Is there a known exploit for CVE-2019-15214?

As of now, there are no publicly known exploits specifically targeted at CVE-2019-15214.

Company

Resources

Contact

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