Advisory Published

USN-6228-1: Linux kernel vulnerabilities

First published: Thu Jul 13 2023(Updated: )

It was discovered that the XFS file system implementation in the Linux kernel did not properly perform metadata validation when mounting certain images. An attacker could use this to specially craft a file system image that, when mounted, could cause a denial of service (system crash). (CVE-2023-2124) Wei Chen discovered that the InfiniBand RDMA communication manager implementation in the Linux kernel contained an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-2176)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-6.2.0-1007-oracle<6.2.0-1007.7
6.2.0-1007.7
=23.04
All of
ubuntu/linux-image-oracle<6.2.0.1007.7
6.2.0.1007.7
=23.04
All of
ubuntu/linux-image-azure<6.2.0.1007.7
6.2.0.1007.7
=23.04
All of
ubuntu/linux-image-6.2.0-1007-azure<6.2.0-1007.7
6.2.0-1007.7
=23.04
All of
ubuntu/linux-image-6.2.0-1009-gcp<6.2.0-1009.9
6.2.0-1009.9
=23.04
All of
ubuntu/linux-image-ibm<6.2.0.1005.5
6.2.0.1005.5
=23.04
All of
ubuntu/linux-image-6.2.0-1005-ibm<6.2.0-1005.5
6.2.0-1005.5
=23.04
All of
ubuntu/linux-image-gcp<6.2.0.1009.9
6.2.0.1009.9
=23.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this Linux kernel vulnerability?

    The vulnerability ID for this Linux kernel vulnerability is CVE-2023-2124.

  • How does this vulnerability impact the Linux kernel?

    This vulnerability could cause a denial of service (system crash) when a specially crafted file system image is mounted.

  • What is the severity of CVE-2023-2124?

    The severity of CVE-2023-2124 is not specified in the provided information.

  • Which software versions are affected by CVE-2023-2124?

    The following software versions are affected by CVE-2023-2124: linux-image-6.2.0-1007-oracle, linux-image-oracle, linux-image-azure, linux-image-6.2.0-1007-azure, linux-image-6.2.0-1009-gcp, linux-image-ibm, linux-image-6.2.0-1005-ibm, linux-image-gcp.

  • How can I fix the vulnerability in the Linux kernel?

    To fix the vulnerability, update the affected software versions to the recommended versions: linux-image-6.2.0-1007-oracle (6.2.0-1007.7), linux-image-oracle (6.2.0.1007.7), linux-image-azure (6.2.0.1007.7), linux-image-6.2.0-1007-azure (6.2.0-1007.7), linux-image-6.2.0-1009-gcp (6.2.0-1009.9), linux-image-ibm (6.2.0.1005.5), linux-image-6.2.0-1005-ibm (6.2.0-1005.5), linux-image-gcp (6.2.0.1009.9).

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