USN-6874-1: Linux kernel (Azure) vulnerabilities

Published Jul 4, 2024
·
Updated

It was discovered that the Intel Data Streaming and Intel Analytics Accelerator drivers in the Linux kernel allowed direct access to the devices for unprivileged users and virtual machines. A local attacker could use this to cause a denial of service. (CVE-2024-21823) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:

Affected Software

17 affected componentsFixes available
Linux Linux kernel
All of the following
ubuntu/linux-image-6.5.0-1023-azure<6.5.0-1023.24
6.5.0-1023.24
Ubuntu Ubuntu=23.10
All of the following
ubuntu/linux-image-6.5.0-1023-azure-fde<6.5.0-1023.24
6.5.0-1023.24
Ubuntu Ubuntu=23.10
All of the following
ubuntu/linux-image-azure<6.5.0.1023.27
6.5.0.1023.27
Ubuntu Ubuntu=23.10
All of the following
ubuntu/linux-image-azure-fde<6.5.0.1023.27
6.5.0.1023.27
Ubuntu Ubuntu=23.10
All of the following
ubuntu/linux-image-6.5.0-1023-azure<6.5.0-1023.24~22.04.1
6.5.0-1023.24~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/linux-image-6.5.0-1023-azure-fde<6.5.0-1023.24~22.04.1
6.5.0-1023.24~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/linux-image-azure<6.5.0.1023.24~22.04.1
6.5.0.1023.24~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/linux-image-azure-fde<6.5.0.1023.24~22.04.1
6.5.0.1023.24~22.04.1
Ubuntu Ubuntu=22.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-6.5.0-1023-azure to a version that resolves this vulnerability.

    Fixed in 6.5.0-1023.24
  2. Upgrade

    Upgrade ubuntu/linux-image-6.5.0-1023-azure-fde to a version that resolves this vulnerability.

    Fixed in 6.5.0-1023.24
  3. Upgrade

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

    Fixed in 6.5.0.1023.27
  4. Upgrade

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

    Fixed in 6.5.0.1023.27
  5. Upgrade

    Upgrade ubuntu/linux-image-6.5.0-1023-azure to a version that resolves this vulnerability.

    Fixed in 6.5.0-1023.24~22.04.1
  6. Upgrade

    Upgrade ubuntu/linux-image-6.5.0-1023-azure-fde to a version that resolves this vulnerability.

    Fixed in 6.5.0-1023.24~22.04.1
  7. Upgrade

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

    Fixed in 6.5.0.1023.24~22.04.1
  8. Upgrade

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

    Fixed in 6.5.0.1023.24~22.04.1

Event History

Jul 4, 2024
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 severity of USN-6874-1?

The severity of USN-6874-1 is categorized as critical due to the potential for a local attacker to cause a denial of service.

2

How do I fix USN-6874-1?

To fix USN-6874-1, upgrade to the recommended version of the linux-image package for your Ubuntu release.

3

Which versions of Ubuntu are affected by USN-6874-1?

USN-6874-1 affects Ubuntu versions 22.04 and 23.10 that use specific linux-image packages.

4

What vulnerabilities are addressed in USN-6874-1?

USN-6874-1 addresses several vulnerabilities, including CVE-2024-21823 and others related to device access for unprivileged users.

5

Can a virtual machine exploit the vulnerability in USN-6874-1?

Yes, a virtual machine can exploit the vulnerability found in USN-6874-1, allowing a local attacker to gain unauthorized access.

Contact

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