Advisory Published

USN-3017-2: Linux kernel (Raspberry Pi 2) vulnerabilities

First published: Mon Jun 27 2016(Updated: )

Jesse Hertz and Tim Newsham discovered that the Linux netfilter implementation did not correctly perform validation when handling 32 bit compatibility IPT_SO_SET_REPLACE events on 64 bit platforms. A local unprivileged attacker could use this to cause a denial of service (system crash) or execute arbitrary code with administrative privileges. (CVE-2016-4997) Kangjie Lu discovered an information leak in the core USB implementation in the Linux kernel. A local attacker could use this to obtain potentially sensitive information from kernel memory. (CVE-2016-4482) Kangjie Lu discovered an information leak in the timer handling implementation in the Advanced Linux Sound Architecture (ALSA) subsystem of the Linux kernel. A local attacker could use this to obtain potentially sensitive information from kernel memory. (CVE-2016-4569, CVE-2016-4578) Kangjie Lu discovered an information leak in the X.25 Call Request handling in the Linux kernel. A local attacker could use this to obtain potentially sensitive information from kernel memory. (CVE-2016-4580) It was discovered that an information leak exists in the Rock Ridge implementation in the Linux kernel. A local attacker who is able to mount a malicious iso9660 file system image could exploit this flaw to obtain potentially sensitive information from kernel memory. (CVE-2016-4913) Baozeng Ding discovered that the Transparent Inter-process Communication (TIPC) implementation in the Linux kernel did not verify socket existence before use in some situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2016-4951) Jesse Hertz and Tim Newsham discovered that the Linux netfilter implementation did not correctly perform validation when handling IPT_SO_SET_REPLACE events. A local unprivileged attacker could use this to cause a denial of service (system crash) or obtain potentially sensitive information from kernel memory. (CVE-2016-4998)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-4.2.0-1033-raspi2<4.2.0-1033.43
4.2.0-1033.43
=15.10

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-3017-2?

    The severity of USN-3017-2 is medium.

  • How do I fix USN-3017-2?

    To fix USN-3017-2, you need to update the Ubuntu Linux kernel to version 4.2.0-1033.43 or later.

  • What is the vulnerability ID for USN-3017-2?

    The vulnerability IDs for USN-3017-2 are CVE-2016-4482, CVE-2016-4569, and CVE-2016-4578.

  • What software is affected by USN-3017-2?

    The Linux kernel on Raspberry Pi 2 running Ubuntu 15.10 is affected by USN-3017-2.

  • How can an attacker exploit USN-3017-2?

    An attacker can exploit USN-3017-2 by using the Linux netfilter implementation vulnerability to cause a denial of service or execute arbitrary code.

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