USN-8546-1: linux-raspi vulnerabilities

Published Jul 15, 2026
·
Updated

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

8 affected componentsFixes available
Linux kernel (Raspberry Pi)
ubuntu/linux-raspi<6.17.0-1021.21
6.17.0-1021.21
All of the following
ubuntu/linux-image-6.17.0-1021-raspi<6.17.0-1021.21
6.17.0-1021.21
Ubuntu Ubuntu=25.10
All of the following
ubuntu/linux-image-raspi<6.17.0-1021.21
6.17.0-1021.21
Ubuntu Ubuntu=25.10
All of the following
ubuntu/linux-image-raspi-6.17<6.17.0-1021.21
6.17.0-1021.21
Ubuntu Ubuntu=25.10

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 6.17.0-1021.21
  2. Upgrade

    Upgrade ubuntu/linux-image-6.17.0-1021-raspi to a version that resolves this vulnerability.

    Fixed in 6.17.0-1021.21
  3. Upgrade

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

    Fixed in 6.17.0-1021.21
  4. Upgrade

    Upgrade ubuntu/linux-image-raspi-6.17 to a version that resolves this vulnerability.

    Fixed in 6.17.0-1021.21
  5. Upgrade

    Upgrade Linux kernel (Raspberry Pi) to a version that resolves this vulnerability.

    Patch USN-8546-1

Event History

Jul 15, 2026
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software
Advisory Published
via OSV·08:26 AM
Data Sourced
via OSV·08:26 AM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-8546-1?

The severity of USN-8546-1 is rated as risk 47.

2

What vulnerabilities are addressed in USN-8546-1?

USN-8546-1 addresses several vulnerabilities in the Linux kernel specific to Raspberry Pi.

3

How do I fix USN-8546-1?

To fix USN-8546-1, you should update your Linux kernel on the Raspberry Pi to the latest version available.

4

Are all Raspberry Pi models affected by USN-8546-1?

Yes, all supported Raspberry Pi models running the vulnerable Linux kernel could potentially be affected by USN-8546-1.

5

What are the risks of not addressing USN-8546-1?

Not addressing USN-8546-1 can lead to potential exploitation by attackers, which may compromise system integrity and security.

Company

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