CVE-2019-15926: Critical 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

12 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
6.1.176-16.1.180-16.12.94-16.12.107-17.1.12-17.1.13-1

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 6.1.180-1Fixed in 6.12.94-1Fixed in 6.12.107-1Fixed in 7.1.12-1Fixed in 7.1.13-1
  2. Upgrade

    Upgrade Linux kernel to a version that resolves this vulnerability.

    Fixed in 5.2.3
  3. Compensating control

    Apply a compensating control by reducing exposure of affected systems until the kernel is updated (e.g., restrict network access to systems running the vulnerable Linux kernel).

Event History

Sep 4, 2019
CVE Published
via MITRE·08:33 PM
Data Sourced
via MITRE·08:33 PM
Description
Data Sourced
via NVD·09:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 11, 2025
Data Sourced
via Launchpad·04:31 AM
Description
Aug 27, 2026
Data Sourced
via Ubuntu·11:24 AM
RemedyDescriptionSeverityAffected Software
Sep 4, 2026
Data Sourced
via Debian·11:39 AM
DescriptionAffected Software

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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