Advisory Published

USN-3292-1: Linux kernel vulnerability

First published: Wed May 17 2017(Updated: )

Jason Donenfeld discovered a heap overflow in the MACsec module in the Linux kernel. An 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-powerpc-smp<4.8.0.52.64
4.8.0.52.64
=16.10
All of
ubuntu/linux-image-powerpc-e500mc<4.8.0.52.64
4.8.0.52.64
=16.10
All of
ubuntu/linux-image-4.8.0-52-lowlatency<4.8.0-52.55
4.8.0-52.55
=16.10
All of
ubuntu/linux-image-generic-lpae<4.8.0.52.64
4.8.0.52.64
=16.10
All of
ubuntu/linux-image-4.8.0-52-generic<4.8.0-52.55
4.8.0-52.55
=16.10
All of
ubuntu/linux-image-4.8.0-52-generic-lpae<4.8.0-52.55
4.8.0-52.55
=16.10
All of
ubuntu/linux-image-4.8.0-52-powerpc64-emb<4.8.0-52.55
4.8.0-52.55
=16.10
All of
ubuntu/linux-image-generic<4.8.0.52.64
4.8.0.52.64
=16.10
All of
ubuntu/linux-image-4.8.0-52-powerpc-e500mc<4.8.0-52.55
4.8.0-52.55
=16.10
All of
ubuntu/linux-image-4.8.0-1036-raspi2<4.8.0-1036.39
4.8.0-1036.39
=16.10
All of
ubuntu/linux-image-lowlatency<4.8.0.52.64
4.8.0.52.64
=16.10
All of
ubuntu/linux-image-powerpc64-emb<4.8.0.52.64
4.8.0.52.64
=16.10
All of
ubuntu/linux-image-raspi2<4.8.0.1036.40
4.8.0.1036.40
=16.10
All of
ubuntu/linux-image-4.8.0-52-powerpc-smp<4.8.0-52.55
4.8.0-52.55
=16.10

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

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

    The vulnerability ID for the Linux kernel vulnerability is USN-3292-1.

  • What is the description of the Linux kernel vulnerability?

    The Linux kernel vulnerability is a heap overflow in the MACsec module that can be exploited to cause a system crash or execute arbitrary code.

  • Which Linux kernel versions are affected by the vulnerability?

    The Linux kernel versions affected by the vulnerability are 4.8.0.52.64 and 4.8.0-52.55.

  • How can the Linux kernel vulnerability be fixed?

    To fix the Linux kernel vulnerability, update to version 4.8.0.52.64 or 4.8.0-52.55, depending on the installed version.

  • Where can I find more information about the Linux kernel vulnerability?

    You can find more information about the Linux kernel vulnerability at the following references: [CVE-2017-7477](https://ubuntu.com/security/CVE-2017-7477), [USN-3292-2](https://ubuntu.com/security/notices/USN-3292-2), [USN-3293-1](https://ubuntu.com/security/notices/USN-3293-1).

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