Advisory Published

USN-5219-1: Linux kernel vulnerability

First published: Tue Jan 11 2022(Updated: )

It was discovered that the eBPF implementation in the Linux kernel did not properly validate the memory size of certain ring buffer operation arguments. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-5.13.0-1008-kvm<5.13.0-1008.8
5.13.0-1008.8
Ubuntu=21.10
All of
ubuntu/linux-image-virtual<5.13.0.25.36
5.13.0.25.36
Ubuntu=21.10
All of
ubuntu/linux-image-5.13.0-25-generic<5.13.0-25.26
5.13.0-25.26
Ubuntu=21.10
All of
ubuntu/linux-image-generic-64k<5.13.0.25.36
5.13.0.25.36
Ubuntu=21.10
All of
ubuntu/linux-image-generic<5.13.0.25.36
5.13.0.25.36
Ubuntu=21.10
All of
ubuntu/linux-image-aws<5.13.0.1009.11
5.13.0.1009.11
Ubuntu=21.10
All of
ubuntu/linux-image-5.13.0-1010-gcp<5.13.0-1010.12
5.13.0-1010.12
Ubuntu=21.10
All of
ubuntu/linux-image-5.13.0-25-generic-64k<5.13.0-25.26
5.13.0-25.26
Ubuntu=21.10
All of
ubuntu/linux-image-5.13.0-25-generic-lpae<5.13.0-25.26
5.13.0-25.26
Ubuntu=21.10
All of
ubuntu/linux-image-5.13.0-1013-oracle<5.13.0-1013.16
5.13.0-1013.16
Ubuntu=21.10
All of
ubuntu/linux-image-5.13.0-1013-raspi-nolpae<5.13.0-1013.15
5.13.0-1013.15
Ubuntu=21.10
All of
ubuntu/linux-image-5.13.0-1010-azure<5.13.0-1010.11
5.13.0-1010.11
Ubuntu=21.10
All of
ubuntu/linux-image-raspi-nolpae<5.13.0.1013.19
5.13.0.1013.19
Ubuntu=21.10
All of
ubuntu/linux-image-oem-20.04<5.13.0.25.36
5.13.0.25.36
Ubuntu=21.10
All of
ubuntu/linux-image-gke<5.13.0.1010.10
5.13.0.1010.10
Ubuntu=21.10
All of
ubuntu/linux-image-5.13.0-1013-raspi<5.13.0-1013.15
5.13.0-1013.15
Ubuntu=21.10
All of
ubuntu/linux-image-gcp<5.13.0.1010.10
5.13.0.1010.10
Ubuntu=21.10
All of
ubuntu/linux-image-5.13.0-25-lowlatency<5.13.0-25.26
5.13.0-25.26
Ubuntu=21.10
All of
ubuntu/linux-image-oracle<5.13.0.1013.14
5.13.0.1013.14
Ubuntu=21.10
All of
ubuntu/linux-image-5.13.0-1009-aws<5.13.0-1009.10
5.13.0-1009.10
Ubuntu=21.10
All of
ubuntu/linux-image-azure<5.13.0.1010.11
5.13.0.1010.11
Ubuntu=21.10
All of
ubuntu/linux-image-raspi<5.13.0.1013.19
5.13.0.1013.19
Ubuntu=21.10
All of
ubuntu/linux-image-kvm<5.13.0.1008.8
5.13.0.1008.8
Ubuntu=21.10
All of
ubuntu/linux-image-generic-lpae<5.13.0.25.36
5.13.0.25.36
Ubuntu=21.10
All of
ubuntu/linux-image-lowlatency<5.13.0.25.36
5.13.0.25.36
Ubuntu=21.10
All of
ubuntu/linux-image-virtual<5.11.0.46.46
5.11.0.46.46
Ubuntu=21.04
All of
ubuntu/linux-image-5.11.0-46-generic-64k<5.11.0-46.51
5.11.0-46.51
Ubuntu=21.04
All of
ubuntu/linux-image-generic-64k<5.11.0.46.46
5.11.0.46.46
Ubuntu=21.04
All of
ubuntu/linux-image-generic<5.11.0.46.46
5.11.0.46.46
Ubuntu=21.04
All of
ubuntu/linux-image-aws<5.11.0.1025.25
5.11.0.1025.25
Ubuntu=21.04
All of
ubuntu/linux-image-5.11.0-1025-raspi-nolpae<5.11.0-1025.27
5.11.0-1025.27
Ubuntu=21.04
All of
ubuntu/linux-image-5.11.0-1025-azure<5.11.0-1025.27
5.11.0-1025.27
Ubuntu=21.04
All of
ubuntu/linux-image-5.11.0-1025-raspi<5.11.0-1025.27
5.11.0-1025.27
Ubuntu=21.04
All of
ubuntu/linux-image-5.11.0-46-generic<5.11.0-46.51
5.11.0-46.51
Ubuntu=21.04
All of
ubuntu/linux-image-5.11.0-1022-kvm<5.11.0-1022.24
5.11.0-1022.24
Ubuntu=21.04
All of
ubuntu/linux-image-5.11.0-1025-oracle<5.11.0-1025.27
5.11.0-1025.27
Ubuntu=21.04
All of
ubuntu/linux-image-azure<5.11.0.1025.25
5.11.0.1025.25
Ubuntu=21.04
All of
ubuntu/linux-image-raspi-nolpae<5.11.0.1025.23
5.11.0.1025.23
Ubuntu=21.04
All of
ubuntu/linux-image-oem-20.04<5.11.0.46.46
5.11.0.46.46
Ubuntu=21.04
All of
ubuntu/linux-image-gke<5.11.0.1026.25
5.11.0.1026.25
Ubuntu=21.04
All of
ubuntu/linux-image-5.11.0-1026-gcp<5.11.0-1026.29
5.11.0-1026.29
Ubuntu=21.04
All of
ubuntu/linux-image-5.11.0-46-lowlatency<5.11.0-46.51
5.11.0-46.51
Ubuntu=21.04
All of
ubuntu/linux-image-gcp<5.11.0.1026.25
5.11.0.1026.25
Ubuntu=21.04
All of
ubuntu/linux-image-5.11.0-1025-aws<5.11.0-1025.27
5.11.0-1025.27
Ubuntu=21.04
All of
ubuntu/linux-image-oracle<5.11.0.1025.25
5.11.0.1025.25
Ubuntu=21.04
All of
ubuntu/linux-image-5.11.0-46-generic-lpae<5.11.0-46.51
5.11.0-46.51
Ubuntu=21.04
All of
ubuntu/linux-image-raspi<5.11.0.1025.23
5.11.0.1025.23
Ubuntu=21.04
All of
ubuntu/linux-image-kvm<5.11.0.1022.23
5.11.0.1022.23
Ubuntu=21.04
All of
ubuntu/linux-image-generic-lpae<5.11.0.46.46
5.11.0.46.46
Ubuntu=21.04
All of
ubuntu/linux-image-lowlatency<5.11.0.46.46
5.11.0.46.46
Ubuntu=21.04
All of
ubuntu/linux-image-oem-20.04b<5.10.0.1055.56
5.10.0.1055.56
Ubuntu=20.04
All of
ubuntu/linux-image-5.11.0-46-generic-lpae<5.11.0-46.51~20.04.1
5.11.0-46.51~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-aws<5.11.0.1025.27~20.04.24
5.11.0.1025.27~20.04.24
Ubuntu=20.04
All of
ubuntu/linux-image-lowlatency-hwe-20.04<5.11.0.46.51~20.04.23
5.11.0.46.51~20.04.23
Ubuntu=20.04
All of
ubuntu/linux-image-5.11.0-1025-azure<5.11.0-1025.27~20.04.1
5.11.0-1025.27~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-5.10.0-1055-oem<5.10.0-1055.58
5.10.0-1055.58
Ubuntu=20.04
All of
ubuntu/linux-image-5.11.0-1026-gcp<5.11.0-1026.29~20.04.1
5.11.0-1026.29~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-5.11.0-46-generic<5.11.0-46.51~20.04.1
5.11.0-46.51~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-5.11.0-1025-oracle<5.11.0-1025.27~20.04.1
5.11.0-1025.27~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-generic-hwe-20.04<5.11.0.46.51~20.04.23
5.11.0.46.51~20.04.23
Ubuntu=20.04
All of
ubuntu/linux-image-oem-20.04<5.10.0.1055.56
5.10.0.1055.56
Ubuntu=20.04
All of
ubuntu/linux-image-5.11.0-46-lowlatency<5.11.0-46.51~20.04.1
5.11.0-46.51~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-gcp<5.11.0.1026.29~20.04.25
5.11.0.1026.29~20.04.25
Ubuntu=20.04
All of
ubuntu/linux-image-5.11.0-1025-aws<5.11.0-1025.27~20.04.1
5.11.0-1025.27~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-oracle<5.11.0.1025.27~20.04.18
5.11.0.1025.27~20.04.18
Ubuntu=20.04
All of
ubuntu/linux-image-5.11.0-46-generic-64k<5.11.0-46.51~20.04.1
5.11.0-46.51~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-generic-lpae-hwe-20.04<5.11.0.46.51~20.04.23
5.11.0.46.51~20.04.23
Ubuntu=20.04
All of
ubuntu/linux-image-azure<5.11.0.1025.27~20.04.24
5.11.0.1025.27~20.04.24
Ubuntu=20.04
All of
ubuntu/linux-image-generic-64k-hwe-20.04<5.11.0.46.51~20.04.23
5.11.0.46.51~20.04.23
Ubuntu=20.04
All of
ubuntu/linux-image-virtual-hwe-20.04<5.11.0.46.51~20.04.23
5.11.0.46.51~20.04.23
Ubuntu=20.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-5219-1?

    The severity level of USN-5219-1 is considered high due to potential denial of service and arbitrary code execution risks.

  • How do I fix USN-5219-1?

    To fix USN-5219-1, upgrade to the latest kernel version as specified in the advisory, which is 5.13.0-1008.8 or higher.

  • What are the potential impacts of USN-5219-1?

    The impacts of USN-5219-1 include possible system crashes and exploitation that may lead to arbitrary code execution.

  • Who is affected by USN-5219-1?

    Users of Ubuntu 21.10 with specific kernel packages such as linux-image-5.13.0-1008-kvm are affected by USN-5219-1.

  • What should I do if I'm using an affected version for USN-5219-1?

    If using an affected version, you should immediately update your kernel to the fixed version provided in the USN-5219-1 notice.

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