CWE
416
Advisory Published

USN-7463-1: Linux kernel (IBM) vulnerabilities

First published: Thu Apr 24 2025(Updated: )

Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2024-23848) 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-5.4.0-1090-ibm<5.4.0-1090.95~18.04.1
5.4.0-1090.95~18.04.1
Ubuntu=18.04
All of
ubuntu/linux-image-ibm<5.4.0.1090.95~18.04.1
5.4.0.1090.95~18.04.1
Ubuntu=18.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-7463-1?

    USN-7463-1 is classified as a critical vulnerability due to its potential to cause a denial of service or execute arbitrary code.

  • How do I fix USN-7463-1?

    To fix USN-7463-1, update your system to the latest version of the affected package, specifically linux-image-5.4.0-1090-ibm for Ubuntu 18.04.

  • What causes the vulnerability USN-7463-1?

    The vulnerability USN-7463-1 is caused by a use-after-free issue in the CEC driver within the Linux kernel.

  • Who discovered USN-7463-1?

    USN-7463-1 was discovered by Chenyuan Yang and Attila Szász.

  • What versions of Ubuntu are affected by USN-7463-1?

    USN-7463-1 affects Ubuntu 18.04 systems running specific versions of the linux-image packages.

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