CWE
362
Advisory Published

USN-3105-2: Linux kernel (Trusty HWE) vulnerability

First published: Thu Oct 20 2016(Updated: )

USN-3105-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 LTS. It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-3.13.0-100-generic-lpae<3.13.0-100.147~precise1
3.13.0-100.147~precise1
Ubuntu gir1.2-packagekitglib-1.0=12.04
All of
ubuntu/linux-image-3.13.0-100-generic<3.13.0-100.147~precise1
3.13.0-100.147~precise1
Ubuntu gir1.2-packagekitglib-1.0=12.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-3105-2?

    USN-3105-2 addresses critical vulnerabilities in the Linux kernel that could lead to privilege escalation.

  • How do I fix USN-3105-2?

    To fix USN-3105-2, update to the latest version of the kernel by installing the linux-image packages for Ubuntu 12.04.

  • What specific vulnerabilities does USN-3105-2 address?

    USN-3105-2 addresses a race condition in the memory manager that can be exploited for privilege escalation.

  • Which Ubuntu versions are affected by USN-3105-2?

    USN-3105-2 affects Ubuntu 12.04 LTS running specific versions of the linux-image package.

  • Is USN-3105-2 applicable to the HWE kernel?

    Yes, USN-3105-2 provides updates specifically for the Hardware Enablement kernel in Ubuntu 12.04 LTS.

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