USN-3630-1: Linux kernel vulnerability

Published Apr 23, 2018
·
Updated

It was discovered that the Broadcom UniMAC MDIO bus controller driver in the Linux kernel did not properly validate device resources. A local attacker could use this to cause a denial of service (system crash).

Affected Software

17 affected componentsFixes available
Canonical Linux kernel
All of the following
ubuntu/linux-image-4.13.0-1017-raspi2<4.13.0-1017.18
4.13.0-1017.18
Ubuntu Ubuntu=17.10
All of the following
ubuntu/linux-image-generic<4.13.0.39.42
4.13.0.39.42
Ubuntu Ubuntu=17.10
All of the following
ubuntu/linux-image-generic-lpae<4.13.0.39.42
4.13.0.39.42
Ubuntu Ubuntu=17.10
All of the following
ubuntu/linux-image-4.13.0-39-generic-lpae<4.13.0-39.44
4.13.0-39.44
Ubuntu Ubuntu=17.10
All of the following
ubuntu/linux-image-4.13.0-39-generic<4.13.0-39.44
4.13.0-39.44
Ubuntu Ubuntu=17.10
All of the following
ubuntu/linux-image-4.13.0-39-lowlatency<4.13.0-39.44
4.13.0-39.44
Ubuntu Ubuntu=17.10
All of the following
ubuntu/linux-image-lowlatency<4.13.0.39.42
4.13.0.39.42
Ubuntu Ubuntu=17.10
All of the following
ubuntu/linux-image-raspi2<4.13.0.1017.15
4.13.0.1017.15
Ubuntu Ubuntu=17.10

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-4.13.0-1017-raspi2 to a version that resolves this vulnerability.

    Fixed in 4.13.0-1017.18
  2. Upgrade

    Upgrade ubuntu/linux-image-generic to a version that resolves this vulnerability.

    Fixed in 4.13.0.39.42
  3. Upgrade

    Upgrade ubuntu/linux-image-generic-lpae to a version that resolves this vulnerability.

    Fixed in 4.13.0.39.42
  4. Upgrade

    Upgrade ubuntu/linux-image-4.13.0-39-generic-lpae to a version that resolves this vulnerability.

    Fixed in 4.13.0-39.44
  5. Upgrade

    Upgrade ubuntu/linux-image-4.13.0-39-generic to a version that resolves this vulnerability.

    Fixed in 4.13.0-39.44
  6. Upgrade

    Upgrade ubuntu/linux-image-4.13.0-39-lowlatency to a version that resolves this vulnerability.

    Fixed in 4.13.0-39.44
  7. Upgrade

    Upgrade ubuntu/linux-image-lowlatency to a version that resolves this vulnerability.

    Fixed in 4.13.0.39.42
  8. Upgrade

    Upgrade ubuntu/linux-image-raspi2 to a version that resolves this vulnerability.

    Fixed in 4.13.0.1017.15

Event History

Apr 23, 2018
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the vulnerability ID of this Linux kernel vulnerability?

The vulnerability ID of this Linux kernel vulnerability is USN-3630-1.

2

What is the severity of USN-3630-1?

The severity of USN-3630-1 is not mentioned in the provided information.

3

How does this vulnerability impact Ubuntu 17.10?

This vulnerability impacts Ubuntu 17.10 and can be exploited by a local attacker to cause a denial of service (system crash).

4

Which Linux kernel versions are affected by this vulnerability?

The Linux kernel versions affected by this vulnerability are 4.13.0-1017.18, 4.13.0.39.42, 4.13.0-39.44, and 4.13.0.39.42.

5

How can I fix the USN-3630-1 vulnerability?

To fix the USN-3630-1 vulnerability, update your Ubuntu 17.10 system to the appropriate kernel versions mentioned in the Ubuntu Security Notices.

Company

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Contact

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