CVE-2019-16232: Null Pointer Dereference

Published Sep 11, 2019
·
Updated

drivers/net/wireless/marvell/libertas/ifsdio.c in the Linux kernel 5.2.14 does not check the allocworkqueue return value, leading to a NULL pointer dereference.

Affected Software

61 affected componentsFixes available
Linux Linux kernel=5.2.14
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.10
Fedoraproject Fedora=30
Fedoraproject Fedora=31
openSUSE Leap=15.0
openSUSE Leap=15.1
debian/linux<=6.1.176-1, <=6.1.190-1, <=6.12.107-1, <=6.12.113-1, <=7.2.12-1
ubuntu/linux-aws<4.4.0-1090.94
4.4.0-1090.94
ubuntu/linux-azure<4.15.0-1071.76~14.04.1
4.15.0-1071.76~14.04.1
ubuntu/linux-lts-xenial<4.4.0-208.240~14.04.1
4.4.0-208.240~14.04.1
ubuntu/linux*
ubuntu/linux<4.4.0-208.240
4.4.0-208.240
ubuntu/linux-aws<4.4.0-1126.140
4.4.0-1126.140
ubuntu/linux-aws-hwe<4.15.0-1060.62~16.04.1
4.15.0-1060.62~16.04.1
ubuntu/linux-azure<4.15.0-1071.76
4.15.0-1071.76
ubuntu/linux-gcp<4.15.0-1055.59
4.15.0-1055.59
ubuntu/linux-hwe<4.15.0-88.88~16.04.1
4.15.0-88.88~16.04.1
ubuntu/linux-kvm<4.4.0-1091.100
4.4.0-1091.100
ubuntu/linux-oracle<4.15.0-1033.36~16.04.1
4.15.0-1033.36~16.04.1
ubuntu/linux-raspi2<4.4.0-1150.161
4.4.0-1150.161
ubuntu/linux-snapdragon<4.4.0-1154.164
4.4.0-1154.164
ubuntu/linux-hwe-edge*
ubuntu/linux-fips<4.4.0-1060.66
4.4.0-1060.66
ubuntu/linux-fips*
ubuntu/linux<4.15.0-88.88
4.15.0-88.88
ubuntu/linux-aws<4.15.0-1060.62
4.15.0-1060.62
ubuntu/linux-aws-5.0<5.0.0-1025.28
5.0.0-1025.28
ubuntu/linux-azure<5.0.0-1032.34
5.0.0-1032.34
ubuntu/linux-azure-5.3<5.3.0-1013.14~18.04.1
5.3.0-1013.14~18.04.1
ubuntu/linux-gcp<5.0.0-1031.32
5.0.0-1031.32
ubuntu/linux-gcp-5.3<5.3.0-1012.13~18.04.1
5.3.0-1012.13~18.04.1
ubuntu/linux-gke-4.15<4.15.0-1052.55
4.15.0-1052.55
ubuntu/linux-gke-5.0<5.0.0-1030.31
5.0.0-1030.31
ubuntu/linux-gke-5.3<5.3.0-1012.13~18.04.1
5.3.0-1012.13~18.04.1
ubuntu/linux-hwe<5.3.0-40.32~18.04.1
5.3.0-40.32~18.04.1
ubuntu/linux-kvm<4.15.0-1053.53
4.15.0-1053.53
ubuntu/linux-oem<4.15.0-1073.83
4.15.0-1073.83
ubuntu/linux-oem-osp1<5.0.0-1039.44
5.0.0-1039.44
ubuntu/linux-oracle<4.15.0-1033.36
4.15.0-1033.36
ubuntu/linux-oracle-5.0<5.0.0-1011.16
5.0.0-1011.16
ubuntu/linux-raspi2<4.15.0-1055.59
4.15.0-1055.59
ubuntu/linux-raspi2-5.3<5.3.0-1018.20~18.04.1
5.3.0-1018.20~18.04.1
ubuntu/linux-snapdragon<4.15.0-1072.79
4.15.0-1072.79
ubuntu/linux-azure-edge*
ubuntu/linux-gcp-edge*
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-raspi2*
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 4.4.0-1090.94
  2. Upgrade

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

    Fixed in 4.15.0-1071.76~14.04.1
  3. Upgrade

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

    Fixed in 4.4.0-208.240~14.04.1
  4. Upgrade

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

    Fixed in 4.4.0-208.240
  5. Upgrade

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

    Fixed in 4.4.0-1126.140
  6. Upgrade

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

    Fixed in 4.15.0-1060.62~16.04.1
  7. Upgrade

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

    Fixed in 4.15.0-1071.76
  8. Upgrade

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

    Fixed in 4.15.0-1055.59
  9. Upgrade

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

    Fixed in 4.15.0-88.88~16.04.1
  10. Upgrade

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

    Fixed in 4.4.0-1091.100
  11. Upgrade

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

    Fixed in 4.15.0-1033.36~16.04.1
  12. Upgrade

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

    Fixed in 4.4.0-1150.161
  13. Upgrade

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

    Fixed in 4.4.0-1154.164
  14. Upgrade

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

    Fixed in 4.4.0-1060.66
  15. Upgrade

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

    Fixed in 4.15.0-88.88
  16. Upgrade

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

    Fixed in 4.15.0-1060.62
  17. Upgrade

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

    Fixed in 5.0.0-1025.28
  18. Upgrade

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

    Fixed in 5.0.0-1032.34
  19. Upgrade

    Upgrade ubuntu/linux-azure-5.3 to a version that resolves this vulnerability.

    Fixed in 5.3.0-1013.14~18.04.1
  20. Upgrade

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

    Fixed in 5.0.0-1031.32
  21. Upgrade

    Upgrade ubuntu/linux-gcp-5.3 to a version that resolves this vulnerability.

    Fixed in 5.3.0-1012.13~18.04.1
  22. Upgrade

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

    Fixed in 4.15.0-1052.55
  23. Upgrade

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

    Fixed in 5.0.0-1030.31
  24. Upgrade

    Upgrade ubuntu/linux-gke-5.3 to a version that resolves this vulnerability.

    Fixed in 5.3.0-1012.13~18.04.1
  25. Upgrade

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

    Fixed in 5.3.0-40.32~18.04.1
  26. Upgrade

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

    Fixed in 4.15.0-1053.53
  27. Upgrade

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

    Fixed in 4.15.0-1073.83
  28. Upgrade

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

    Fixed in 5.0.0-1039.44
  29. Upgrade

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

    Fixed in 4.15.0-1033.36
  30. Upgrade

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

    Fixed in 5.0.0-1011.16
  31. Upgrade

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

    Fixed in 4.15.0-1055.59
  32. Upgrade

    Upgrade ubuntu/linux-raspi2-5.3 to a version that resolves this vulnerability.

    Fixed in 5.3.0-1018.20~18.04.1
  33. Upgrade

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

    Fixed in 4.15.0-1072.79
  34. Upgrade

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

    Fixed in 4.15.0-2018.18
  35. Upgrade

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

    Fixed in 4.15.0-2006.7

Event History

Sep 11, 2019
CVE Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
RemedyDescriptionSeverityAffected Software
CVE Published
via MITRE·03:30 PM
Data Sourced
via MITRE·03:30 PM
Description
Data Sourced
via OSV·04:15 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2019-16232?

CVE-2019-16232 is classified as a vulnerability that can lead to a NULL pointer dereference, posing a security risk to affected systems.

2

How do I fix CVE-2019-16232?

To mitigate CVE-2019-16232, upgrade your Linux kernel to a version that includes the patch for this vulnerability, typically 5.10.x or later.

3

What versions of Linux are affected by CVE-2019-16232?

CVE-2019-16232 affects Linux kernel version 5.2.14 and specific Ubuntu and Fedora distributions that include this kernel version.

4

What kind of impact does CVE-2019-16232 have?

CVE-2019-16232 can lead to system instability or crashes due to NULL pointer dereferences in the wireless driver.

5

Is there a public exploit for CVE-2019-16232?

As of now, there are no widely reported public exploits targeting CVE-2019-16232.

Company

Resources

Contact

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