USN-6971-1: Linux kernel vulnerabilities

Published Aug 21, 2024
·
Updated

It was discovered that the Option USB High Speed Mobile device driver in the Linux kernel did not properly handle error conditions. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-37159) A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystem:

Affected Software

14 affected componentsFixes available
All of the following
ubuntu/linux-image-3.13.0-199-generic<3.13.0-199.250
3.13.0-199.250
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-3.13.0-199-lowlatency<3.13.0-199.250
3.13.0-199.250
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-generic<3.13.0.199.209
3.13.0.199.209
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-generic-lts-trusty<3.13.0.199.209
3.13.0.199.209
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-lowlatency<3.13.0.199.209
3.13.0.199.209
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-server<3.13.0.199.209
3.13.0.199.209
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-virtual<3.13.0.199.209
3.13.0.199.209
Ubuntu Ubuntu=14.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-3.13.0-199-generic to a version that resolves this vulnerability.

    Fixed in 3.13.0-199.250
  2. Upgrade

    Upgrade ubuntu/linux-image-3.13.0-199-lowlatency to a version that resolves this vulnerability.

    Fixed in 3.13.0-199.250
  3. Upgrade

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

    Fixed in 3.13.0.199.209
  4. Upgrade

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

    Fixed in 3.13.0.199.209
  5. Upgrade

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

    Fixed in 3.13.0.199.209
  6. Upgrade

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

    Fixed in 3.13.0.199.209
  7. Upgrade

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

    Fixed in 3.13.0.199.209

Event History

Aug 21, 2024
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-6971-1?

USN-6971-1 has a high severity due to potential denial of service and arbitrary code execution risks.

2

How do I fix USN-6971-1?

To fix USN-6971-1, upgrade your affected Linux kernel packages to the recommended versions provided by the Ubuntu security notice.

3

Who is affected by USN-6971-1?

Users running Ubuntu 14.04 with specific Linux kernel versions are affected by USN-6971-1.

4

What vulnerabilities does USN-6971-1 address?

USN-6971-1 addresses vulnerabilities including CVE-2021-37159 related to improper error handling in the Option USB High Speed Mobile device driver.

5

Can USN-6971-1 lead to full system compromise?

Yes, if exploited, USN-6971-1 could allow a physically proximate attacker to execute arbitrary code, potentially leading to full system compromise.

Company

Resources

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