Advisory Published

USN-5916-1: Linux kernel vulnerability

First published: Fri Mar 03 2023(Updated: )

Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-server<3.13.0.192.202
3.13.0.192.202
=14.04
All of
ubuntu/linux-image-3.13.0-192-generic<3.13.0-192.243
3.13.0-192.243
=14.04
All of
ubuntu/linux-image-virtual<3.13.0.192.202
3.13.0.192.202
=14.04
All of
ubuntu/linux-image-generic-lts-trusty<3.13.0.192.202
3.13.0.192.202
=14.04
All of
ubuntu/linux-image-3.13.0-192-lowlatency<3.13.0-192.243
3.13.0-192.243
=14.04
All of
ubuntu/linux-image-generic<3.13.0.192.202
3.13.0.192.202
=14.04
All of
ubuntu/linux-image-lowlatency<3.13.0.192.202
3.13.0.192.202
=14.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this Linux kernel vulnerability?

    The vulnerability ID for this Linux kernel vulnerability is USN-5916-1.

  • Who discovered this Linux kernel vulnerability?

    Jann Horn discovered this Linux kernel vulnerability.

  • What is the impact of this Linux kernel vulnerability?

    This Linux kernel vulnerability can be used by a local attacker to cause a denial of service (system crash) or possibly execute arbitrary code.

  • Which versions of Ubuntu are affected by this Linux kernel vulnerability?

    Ubuntu 14.04 with the specific kernel versions mentioned in the vulnerability description are affected.

  • How can I fix this Linux kernel vulnerability?

    Update the affected Ubuntu packages to the recommended versions listed in the vulnerability description.

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