USN-6893-1: Linux kernel vulnerabilities

Published Jul 11, 2024
·
Updated

It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel when modifying certain settings values through debugfs. A privileged local attacker could use this to cause a denial of service. (CVE-2024-24857, CVE-2024-24858, CVE-2024-24859) 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

62 affected componentsFixes available
All of the following
ubuntu/linux-image-6.8.0-1007-intel<6.8.0-1007.14
6.8.0-1007.14
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-1007-raspi<6.8.0-1007.7
6.8.0-1007.7
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-1008-ibm<6.8.0-1008.8
6.8.0-1008.8
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-1008-oem<6.8.0-1008.8
6.8.0-1008.8
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-1010-azure<6.8.0-1010.10
6.8.0-1010.10
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-1010-azure-fde<6.8.0-1010.10
6.8.0-1010.10
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-1010-gcp<6.8.0-1010.11
6.8.0-1010.11
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-38-generic<6.8.0-38.38
6.8.0-38.38
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-38-generic-64k<6.8.0-38.38
6.8.0-38.38
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-38-lowlatency<6.8.0-38.38.1
6.8.0-38.38.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-38-lowlatency-64k<6.8.0-38.38.1
6.8.0-38.38.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-azure<6.8.0-1010.10
6.8.0-1010.10
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-azure-fde<6.8.0-1010.10
6.8.0-1010.10
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-gcp<6.8.0-1010.11
6.8.0-1010.11
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-generic<6.8.0-38.38
6.8.0-38.38
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-generic-64k<6.8.0-38.38
6.8.0-38.38
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-generic-64k-hwe-24.04<6.8.0-38.38
6.8.0-38.38
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-generic-hwe-24.04<6.8.0-38.38
6.8.0-38.38
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-generic-lpae<6.8.0-38.38
6.8.0-38.38
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-ibm<6.8.0-1008.8
6.8.0-1008.8
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-ibm-classic<6.8.0-1008.8
6.8.0-1008.8
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-ibm-lts-24.04<6.8.0-1008.8
6.8.0-1008.8
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-intel<6.8.0-1007.14
6.8.0-1007.14
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-kvm<6.8.0-38.38
6.8.0-38.38
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-lowlatency<6.8.0-38.38.1
6.8.0-38.38.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-lowlatency-64k<6.8.0-38.38.1
6.8.0-38.38.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-oem-24.04<6.8.0-1008.8
6.8.0-1008.8
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-oem-24.04a<6.8.0-1008.8
6.8.0-1008.8
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-raspi<6.8.0-1007.7
6.8.0-1007.7
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-virtual<6.8.0-38.38
6.8.0-38.38
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-virtual-hwe-24.04<6.8.0-38.38
6.8.0-38.38
Ubuntu Ubuntu=24.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-1007-intel to a version that resolves this vulnerability.

    Fixed in 6.8.0-1007.14
  2. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-1007-raspi to a version that resolves this vulnerability.

    Fixed in 6.8.0-1007.7
  3. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-1008-ibm to a version that resolves this vulnerability.

    Fixed in 6.8.0-1008.8
  4. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-1008-oem to a version that resolves this vulnerability.

    Fixed in 6.8.0-1008.8
  5. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-1010-azure to a version that resolves this vulnerability.

    Fixed in 6.8.0-1010.10
  6. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-1010-azure-fde to a version that resolves this vulnerability.

    Fixed in 6.8.0-1010.10
  7. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-1010-gcp to a version that resolves this vulnerability.

    Fixed in 6.8.0-1010.11
  8. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-38-generic to a version that resolves this vulnerability.

    Fixed in 6.8.0-38.38
  9. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-38-generic-64k to a version that resolves this vulnerability.

    Fixed in 6.8.0-38.38
  10. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-38-lowlatency to a version that resolves this vulnerability.

    Fixed in 6.8.0-38.38.1
  11. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-38-lowlatency-64k to a version that resolves this vulnerability.

    Fixed in 6.8.0-38.38.1
  12. Upgrade

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

    Fixed in 6.8.0-1010.10
  13. Upgrade

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

    Fixed in 6.8.0-1010.10
  14. Upgrade

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

    Fixed in 6.8.0-1010.11
  15. Upgrade

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

    Fixed in 6.8.0-38.38
  16. Upgrade

    Upgrade ubuntu/linux-image-generic-64k to a version that resolves this vulnerability.

    Fixed in 6.8.0-38.38
  17. Upgrade

    Upgrade ubuntu/linux-image-generic-64k-hwe-24.04 to a version that resolves this vulnerability.

    Fixed in 6.8.0-38.38
  18. Upgrade

    Upgrade ubuntu/linux-image-generic-hwe-24.04 to a version that resolves this vulnerability.

    Fixed in 6.8.0-38.38
  19. Upgrade

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

    Fixed in 6.8.0-38.38
  20. Upgrade

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

    Fixed in 6.8.0-1008.8
  21. Upgrade

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

    Fixed in 6.8.0-1008.8
  22. Upgrade

    Upgrade ubuntu/linux-image-ibm-lts-24.04 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1008.8
  23. Upgrade

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

    Fixed in 6.8.0-1007.14
  24. Upgrade

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

    Fixed in 6.8.0-38.38
  25. Upgrade

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

    Fixed in 6.8.0-38.38.1
  26. Upgrade

    Upgrade ubuntu/linux-image-lowlatency-64k to a version that resolves this vulnerability.

    Fixed in 6.8.0-38.38.1
  27. Upgrade

    Upgrade ubuntu/linux-image-oem-24.04 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1008.8
  28. Upgrade

    Upgrade ubuntu/linux-image-oem-24.04a to a version that resolves this vulnerability.

    Fixed in 6.8.0-1008.8
  29. Upgrade

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

    Fixed in 6.8.0-1007.7
  30. Upgrade

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

    Fixed in 6.8.0-38.38
  31. Upgrade

    Upgrade ubuntu/linux-image-virtual-hwe-24.04 to a version that resolves this vulnerability.

    Fixed in 6.8.0-38.38

Event History

Jul 11, 2024
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software

Frequently Asked Questions

1

What is the severity of USN-6893-1?

USN-6893-1 addresses a vulnerability in the Linux kernel related to a race condition in the Bluetooth subsystem that could allow a privileged local attacker to cause a denial of service.

2

How do I fix USN-6893-1?

To fix USN-6893-1, you should update your system to the appropriate patched version of the affected packages listed in the advisory.

3

Who is affected by USN-6893-1?

USN-6893-1 affects users of Ubuntu 24.04 with specific versions of the Linux kernel listed in the Ubuntu security advisory.

4

What are the CVEs associated with USN-6893-1?

The CVEs associated with USN-6893-1 are CVE-2024-24857, CVE-2024-24858, and CVE-2024-24859.

5

What type of vulnerability is described in USN-6893-1?

USN-6893-1 describes a race condition vulnerability in the Bluetooth subsystem of the Linux kernel.

Company

Resources

Contact

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