Advisory Published

USN-7458-1: Linux kernel (IBM) vulnerabilities

First published: Thu Apr 24 2025(Updated: )

Attila Szász discovered that the HFS+ file system implementation in the Linux Kernel contained a heap overflow vulnerability. An attacker could use a specially crafted file system image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2025-0927) 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 SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-5.15.0-1074-ibm<5.15.0-1074.77~20.04.1
5.15.0-1074.77~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-ibm<5.15.0.1074.77~20.04.1
5.15.0.1074.77~20.04.1
Ubuntu=20.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-7458-1?

    The severity of USN-7458-1 is high due to the potential for denial of service and arbitrary code execution.

  • How do I fix USN-7458-1?

    To fix USN-7458-1, update your system to the latest version of the linux-image packages as specified in the advisory.

  • What systems are affected by USN-7458-1?

    USN-7458-1 affects Ubuntu 20.04 systems running specific versions of the linux-image package.

  • What type of vulnerability is described in USN-7458-1?

    USN-7458-1 describes a heap overflow vulnerability in the HFS+ file system implementation of the Linux Kernel.

  • Can USN-7458-1 be exploited remotely?

    Yes, USN-7458-1 can be exploited by attackers using specially crafted file system images when mounted.

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