CWE
476 119
Advisory Published
CVE Published
Updated

CVE-2019-20054: Null Pointer Dereference

First published: Sat Dec 28 2019(Updated: )

A flaw was found in the Linux kernel’s implementation of dropping sysctl entries. A local attacker who has access to load modules on the system can trigger a condition during module load failure and panic the system.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/kernel-rt<0:3.10.0-1160.rt56.1131.el7
0:3.10.0-1160.rt56.1131.el7
redhat/kernel-alt<0:4.14.0-115.19.1.el7a
0:4.14.0-115.19.1.el7a
redhat/kernel<0:3.10.0-1160.el7
0:3.10.0-1160.el7
redhat/kernel-rt<0:4.18.0-240.rt7.54.el8
0:4.18.0-240.rt7.54.el8
redhat/kernel<0:4.18.0-240.el8
0:4.18.0-240.el8
Linux Linux kernel<5.0.6
Netapp Active Iq Unified Manager Vmware Vsphere
Netapp Cloud Backup
Netapp Data Availability Services
NetApp E-Series SANtricity OS Controller>=11.0<=11.70.2
Netapp Fas\/aff Baseboard Management Controller
Netapp Solidfire \& Hci Management Node
Netapp Steelstore Cloud Integrated Storage
Netapp Solidfire Baseboard Management Controller
Netapp H610s Firmware
Netapp H610s
Netapp 8300 Firmware
Netapp 8300
Netapp 8700 Firmware
Netapp 8700
Netapp A400 Firmware
Netapp A400

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2019-20054?

    CVE-2019-20054 is a vulnerability in the Linux kernel that allows a local attacker to panic the system by triggering a condition during module load failure.

  • How severe is CVE-2019-20054?

    CVE-2019-20054 has a severity rating of 5.1 (medium).

  • Which versions of the Linux kernel are affected by CVE-2019-20054?

    Versions of the Linux kernel before 5.0.6 are affected by CVE-2019-20054.

  • How can I fix CVE-2019-20054?

    To fix CVE-2019-20054, update your Linux kernel to version 5.0.6 or later.

  • Where can I find more information about CVE-2019-20054?

    More information about CVE-2019-20054 can be found at the following references: [Reference 1], [Reference 2], [Reference 3].

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