CVE-2019-19966: Use After Free

Published Dec 25, 2019
·
Updated

In the Linux kernel before 5.1.6, there is a use-after-free in cpia2exit() in drivers/media/usb/cpia2/cpia2v4l.c that will cause denial of service, aka CID-dea37a972655.

Affected Software

56 affected componentsFixes available
Linux Linux kernel<5.1.6
Debian Debian Linux=8.0
openSUSE Leap=15.1
NetApp Active Iq Unified Manager Vmware Vsphere
NetApp Cloud Backup
NetApp Data Availability Services
NetApp E-Series SANtricity OS Controller>=11.0<=11.70.2
NetApp Fas\/aff Baseboard Management Controller
NetApp Hci Baseboard Management Controller=h610s
NetApp Solidfire \& Hci Management Node
NetApp Steelstore Cloud Integrated Storage
NetApp Aff Baseboard Management Controller=a700s
NetApp Solidfire Baseboard Management Controller
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<4.4.0-157.185
4.4.0-157.185
ubuntu/linux-aws<4.4.0-1090.101
4.4.0-1090.101
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<4.4.0-1052.59
4.4.0-1052.59
ubuntu/linux-oracle<4.15.0-1022.25~16.04.1
4.15.0-1022.25~16.04.1
ubuntu/linux-raspi2<4.4.0-1117.126
4.4.0-1117.126
ubuntu/linux-snapdragon<4.4.0-1121.127
4.4.0-1121.127
ubuntu/linux-hwe-edge*
ubuntu/linux-fips<4.4.0-1015.20
4.4.0-1015.20
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<5.0.0-1018.19~18.04.1
5.0.0-1018.19~18.04.1
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-gke-5.0<5.0.0-1015.15~18.04.1
5.0.0-1015.15~18.04.1
ubuntu/linux-hwe<5.0.0-27.28~18.04.1
5.0.0-27.28~18.04.1
ubuntu/linux-hwe-edge<5.3.0-19.20~18.04.2
5.3.0-19.20~18.04.2
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<5.0.0-1020.22
5.0.0-1020.22
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-azure-edge*
ubuntu/linux-gcp-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-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 ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.4.0-1054.58
  2. Upgrade

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

    Fixed in 4.15.0-1059.64~14.04.1
  3. Upgrade

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

    Fixed in 4.4.0-164.192~14.04.1
  4. Upgrade

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

    Fixed in 4.4.0-157.185
  5. Upgrade

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

    Fixed in 4.4.0-1090.101
  6. Upgrade

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

    Fixed in 4.15.0-1047.49~16.04.1
  7. Upgrade

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

    Fixed in 4.15.0-1056.61
  8. Upgrade

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

    Fixed in 4.15.0-1041.43
  9. Upgrade

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

    Fixed in 4.15.0-60.67~16.04.1
  10. Upgrade

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

    Fixed in 4.4.0-1052.59
  11. Upgrade

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

    Fixed in 4.15.0-1022.25~16.04.1
  12. Upgrade

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

    Fixed in 4.4.0-1117.126
  13. Upgrade

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

    Fixed in 4.4.0-1121.127
  14. Upgrade

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

    Fixed in 4.4.0-1015.20
  15. Upgrade

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

    Fixed in 4.15.0-60.67
  16. Upgrade

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

    Fixed in 4.15.0-1047.49
  17. Upgrade

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

    Fixed in 5.0.0-1018.19~18.04.1
  18. Upgrade

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

    Fixed in 4.15.0-1042.45
  19. Upgrade

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

    Fixed in 4.15.0-1041.43
  20. Upgrade

    Upgrade ubuntu/linux-gke-5.0 to a version that resolves this vulnerability.

    Fixed in 5.0.0-1015.15~18.04.1
  21. Upgrade

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

    Fixed in 5.0.0-27.28~18.04.1
  22. Upgrade

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

    Fixed in 5.3.0-19.20~18.04.2
  23. Upgrade

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

    Fixed in 4.15.0-1043.43
  24. Upgrade

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

    Fixed in 4.15.0-1056.65
  25. Upgrade

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

    Fixed in 5.0.0-1020.22
  26. Upgrade

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

    Fixed in 4.15.0-1022.25
  27. Upgrade

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

    Fixed in 4.15.0-1044.47
  28. Upgrade

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

    Fixed in 4.15.0-1062.69
  29. Upgrade

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

    Fixed in 4.15.0-2018.18
  30. Upgrade

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

    Fixed in 4.15.0-2006.7

Event History

Dec 25, 2019
CVE Published
via MITRE·03:01 AM
Data Sourced
via MITRE·03:01 AM
Description
Data Sourced
via OSV·04:15 AM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is CVE-2019-19966?

CVE-2019-19966 is a vulnerability in the Linux kernel before version 5.1.6 that allows for a use-after-free vulnerability in the cpia2_exit() function, resulting in denial of service.

2

What is the severity of CVE-2019-19966?

The severity of CVE-2019-19966 is medium, with a CVSS score of 4.6.

3

Which software is affected by CVE-2019-19966?

The Linux kernel versions before 5.1.6, Debian Linux 8.0, openSUSE Leap 15.1, and some Netapp products are affected by CVE-2019-19966.

4

How can I fix CVE-2019-19966?

To fix CVE-2019-19966, update the Linux kernel to version 5.1.6 or apply the appropriate patches provided by your Linux distribution.

5

Where can I find more information about CVE-2019-19966?

You can find more information about CVE-2019-19966 in the following references: [link1], [link2], [link3].

Company

Resources

Contact

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