USN-5588-1: Linux kernel vulnerability

Published Aug 30, 2022
·
Updated

Zhenpeng Lin discovered that the network packet scheduler implementation in the Linux kernel did not properly remove all references to a route filter before freeing it in some situations. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code.

Affected Software

13 affected componentsFixes available
Ubuntu Linux kernel
All of the following
ubuntu/linux-image-server<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-3.13.0-191-generic<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-3.13.0-191-lowlatency<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-virtual<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-generic<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-lowlatency<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=14.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in Ubuntu Pro
  2. Upgrade

    Upgrade ubuntu/linux-image-3.13.0-191-generic to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  3. Upgrade

    Upgrade ubuntu/linux-image-3.13.0-191-lowlatency to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  4. Upgrade

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

    Fixed in Ubuntu Pro
  5. Upgrade

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

    Fixed in Ubuntu Pro
  6. Upgrade

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

    Fixed in Ubuntu Pro

Event History

Aug 30, 2022
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-5588-1?

The severity of USN-5588-1 is high.

2

How does the Linux kernel vulnerability in USN-5588-1 affect Ubuntu 14.04?

The Linux kernel vulnerability in USN-5588-1 affects Ubuntu 14.04.

3

What is the remedy for USN-5588-1?

The remedy for USN-5588-1 is to update to Linux kernel version 3.13.0.191.201 or higher.

4

What is the CVE ID for USN-5588-1?

The CVE ID for USN-5588-1 is CVE-2022-2588.

5

Where can I find more information about USN-5588-1?

You can find more information about USN-5588-1 on the Ubuntu website at the following links: [CVE-2022-2588](https://ubuntu.com/security/CVE-2022-2588), [USN-5557-1](https://ubuntu.com/security/notices/USN-5557-1), [USN-5560-1](https://ubuntu.com/security/notices/USN-5560-1).

Contact

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