CVE-2019-15926: High severity Linux Linux kernel vulnerability

Published Sep 4, 2019
·
Updated

An issue was discovered in the Linux kernel before 5.2.3. Out of bounds access exists in the functions ath6klwmipstreamtimeouteventrx and ath6klwmicaceventrx in the file drivers/net/wireless/ath/ath6kl/wmi.c.

Affected Software

54 affected componentsFixes available
Linux Linux kernel>=3.2<3.16.74
Linux Linux kernel>=3.17<4.4.187
Linux Linux kernel>=4.5<4.9.187
Linux Linux kernel>=4.10<4.14.135
Linux Linux kernel>=4.15<4.19.61
Linux Linux kernel>=4.20<5.1.20
Linux Linux kernel>=5.2.0<5.2.3
Debian Debian Linux=8.0
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.10
debian/linux
6.1.176-16.1.190-16.12.107-16.12.113-17.2.12-17.2.13-1
ubuntu/linux-aws<4.4.0-1055.59
4.4.0-1055.59
ubuntu/linux-azure<4.15.0-1059.64~14.04.1
4.15.0-1059.64~14.04.1
ubuntu/linux-lts-xenial<4.4.0-165.193~14.04.1
4.4.0-165.193~14.04.1
ubuntu/linux*
ubuntu/linux<4.4.0-165.193
4.4.0-165.193
ubuntu/linux-aws<4.4.0-1095.106
4.4.0-1095.106
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<4.4.0-1059.66
4.4.0-1059.66
ubuntu/linux-oracle<4.15.0-1022.25~16.04.1
4.15.0-1022.25~16.04.1
ubuntu/linux-raspi2<4.4.0-1123.132
4.4.0-1123.132
ubuntu/linux-snapdragon<4.4.0-1127.135
4.4.0-1127.135
ubuntu/linux-fips<4.4.0-1022.27
4.4.0-1022.27
ubuntu/linux-fips*
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<5.0.0-1022.23~18.04.1
5.0.0-1022.23~18.04.1
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<5.0.0-1020.20~18.04.1
5.0.0-1020.20~18.04.1
ubuntu/linux-hwe<5.0.0-31.33~18.04.1
5.0.0-31.33~18.04.1
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<5.0.0-1024.27
5.0.0-1024.27
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 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.113-1Fixed in 7.2.12-1Fixed in 7.2.13-1
  2. Upgrade

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

    Fixed in 4.4.0-1055.59
  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 4.4.0-165.193~14.04.1
  5. Upgrade

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

    Fixed in 4.4.0-165.193
  6. Upgrade

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

    Fixed in 4.4.0-1095.106
  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 4.4.0-1059.66
  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 4.4.0-1123.132
  14. Upgrade

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

    Fixed in 4.4.0-1127.135
  15. Upgrade

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

    Fixed in 4.4.0-1022.27
  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 5.0.0-1022.23~18.04.1
  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-gke-5.0 to a version that resolves this vulnerability.

    Fixed in 5.0.0-1020.20~18.04.1
  22. Upgrade

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

    Fixed in 5.0.0-31.33~18.04.1
  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 5.0.0-1024.27
  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

Sep 4, 2019
CVE Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via OSV·12:00 AM
DescriptionSeverityAffected Software
Event
via OSV·12:00 AM
CVE Published
via MITRE·08:33 PM
Data Sourced
via MITRE·08:33 PM
Description
Data Sourced
via NVD·09:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2019-15926?

CVE-2019-15926 has a severity rating that indicates it can lead to out of bounds access, potentially impacting system stability.

2

How do I fix CVE-2019-15926?

To fix CVE-2019-15926, update the Linux kernel to version 5.2.3 or later.

3

Which versions of the Linux kernel are affected by CVE-2019-15926?

CVE-2019-15926 affects the Linux kernel versions from 3.2 to 5.2.2.

4

Can CVE-2019-15926 be exploited remotely?

CVE-2019-15926 may allow for remote exploitation if the affected kernel is running on a device accessible from the network.

5

What types of systems are vulnerable to CVE-2019-15926?

Systems running various distributions of the Linux kernel within the specified version range are vulnerable to CVE-2019-15926.

Contact

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