Advisory Published

USN-2829-1: Linux kernel vulnerabilities

First published: Fri Dec 04 2015(Updated: )

It was discovered that the SCTP protocol implementation in the Linux kernel performed an incorrect sequence of protocol-initialization steps. A local attacker could use this to cause a denial of service (system crash). (CVE-2015-5283) Dmitry Vyukov discovered that the Linux kernel's keyring handler attempted to garbage collect incompletely instantiated keys. A local unprivileged attacker could use this to cause a denial of service (system crash). (CVE-2015-7872)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-3.19.0-39-powerpc64-emb<3.19.0-39.44
3.19.0-39.44
=15.04
All of
ubuntu/linux-image-3.19.0-39-powerpc64-smp<3.19.0-39.44
3.19.0-39.44
=15.04
All of
ubuntu/linux-image-3.19.0-39-generic<3.19.0-39.44
3.19.0-39.44
=15.04
All of
ubuntu/linux-image-3.19.0-39-powerpc-smp<3.19.0-39.44
3.19.0-39.44
=15.04
All of
ubuntu/linux-image-3.19.0-39-generic-lpae<3.19.0-39.44
3.19.0-39.44
=15.04
All of
ubuntu/linux-image-3.19.0-39-powerpc-e500mc<3.19.0-39.44
3.19.0-39.44
=15.04
All of
ubuntu/linux-image-3.19.0-39-lowlatency<3.19.0-39.44
3.19.0-39.44
=15.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this advisory?

    The vulnerability ID for this advisory is USN-2829-1.

  • What is the severity of the CVE-2015-5283 vulnerability?

    The severity of the CVE-2015-5283 vulnerability is not mentioned in the advisory.

  • How can a local attacker exploit CVE-2015-5283 vulnerability?

    A local attacker can exploit the CVE-2015-5283 vulnerability to cause a denial of service (system crash).

  • How can I fix the CVE-2015-5283 vulnerability?

    To fix the CVE-2015-5283 vulnerability, you need to update the affected Linux kernel packages to version 3.19.0-39.44 or higher.

  • Where can I find more information about the USN-2829-1 advisory?

    You can find more information about the USN-2829-1 advisory on the Ubuntu website.

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