CVE-2019-19071: High severity Linux Linux kernel vulnerability

Published Nov 18, 2019
·
Updated

A memory leak in the rsisendbeacon() function in drivers/net/wireless/rsi/rsi91xmgmt.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering rsipreparebeacon() failures, aka CID-d563131ef23c.

Affected Software

9 affected componentsFixes available
Linux Linux kernel>=4.14<4.14.159
Linux Linux kernel>=4.15<4.19.89
Linux Linux kernel>=4.20<5.3.16
Linux Linux kernel>=5.4.0<5.4.3
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.10
debian/linux
6.1.176-16.1.187-16.12.107-16.12.111-17.2.9-1

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 6.1.187-1Fixed in 6.12.107-1Fixed in 6.12.111-1Fixed in 7.2.9-1
  2. Upgrade

    Upgrade Linux kernel (drivers/net/wireless/rsi/rsi_91x_mgmt.c, rsi_send_beacon) to a version that resolves this vulnerability.

    Fixed in 5.3.11Patch CID-d563131ef23c

Event History

Nov 18, 2019
CVE Published
via MITRE·05:24 AM
Data Sourced
via MITRE·05:24 AM
Description
Data Sourced
via NVD·06:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 11, 2025
Data Sourced
via Launchpad·04:37 AM
Description
Aug 27, 2026
Data Sourced
via Ubuntu·11:48 AM
RemedyDescriptionSeverityAffected Software
Oct 10, 2026
Data Sourced
via Debian·12:18 PM
DescriptionAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2019-19071?

CVE-2019-19071 is classified as a high severity vulnerability due to its potential to cause denial of service through memory consumption.

2

How do I fix CVE-2019-19071?

To mitigate CVE-2019-19071, update the Linux kernel to version 5.10.223-1 or later.

3

Which Linux kernel versions are affected by CVE-2019-19071?

CVE-2019-19071 affects Linux kernel versions from 4.14 up to 5.3.11.

4

What causes CVE-2019-19071?

CVE-2019-19071 is caused by a memory leak in the rsi_send_beacon() function due to rsi_prepare_beacon() failures.

5

Is CVE-2019-19071 specific to any particular Linux distribution?

CVE-2019-19071 affects multiple distributions, including Ubuntu versions 14.04, 16.04, 18.04, and 19.10.

Contact

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