CVE-2019-19043: Medium severity Linux Linux kernel vulnerability

Published Nov 18, 2019
·
Updated

A memory leak in the i40esetupmacvlans() function in drivers/net/ethernet/intel/i40e/i40emain.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering i40esetupchannel() failures, aka CID-27d461333459.

Affected Software

6 affected componentsFixes available
Linux Linux kernel<=5.3.11
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.10
Fedoraproject Fedora=30
Fedoraproject Fedora=31
debian/linux
6.1.176-16.1.190-16.12.107-16.12.113-17.2.12-1

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 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.113-1Fixed in 7.2.12-1

Event History

Nov 18, 2019
CVE Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
RemedyDescriptionSeverityAffected Software
CVE Published
via MITRE·05:23 AM
Data Sourced
via MITRE·05:23 AM
Description
Data Sourced
via NVD·06:15 AM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the vulnerability ID for this memory leak in the i40e_setup_macvlans() function?

The vulnerability ID for this memory leak is CVE-2019-19043.

2

How does this vulnerability impact the Linux kernel?

This vulnerability allows attackers to cause a denial of service by triggering i40e_setup_channel() failures, resulting in memory consumption.

3

Which version of the Linux kernel is affected by this vulnerability?

The Linux kernel through version 5.3.11 is affected by this vulnerability.

4

What is the severity of CVE-2019-19043?

The severity of CVE-2019-19043 is not specified.

5

Are there any patches or updates available to fix this vulnerability?

Yes, patches or updates are available to fix this vulnerability. Please refer to the provided references for more information.

Contact

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