Advisory Published

USN-7460-1: Linux kernel (Azure FIPS) vulnerabilities

First published: Thu Apr 24 2025(Updated: )

Jann Horn discovered that the watch_queue event notification subsystem in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service (system crash) or escalate their privileges. (CVE-2022-0995) 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-5.15.0-1087-azure-fips<5.15.0-1087.96+fips1
5.15.0-1087.96+fips1
Ubuntu=22.04
All of
ubuntu/linux-image-azure-fips<5.15.0.1087.72
5.15.0.1087.72
Ubuntu=22.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-7460-1?

    The severity of USN-7460-1 is classified as high due to the potential for denial of service and privilege escalation.

  • How do I fix USN-7460-1?

    To fix USN-7460-1, you should upgrade your Linux kernel to the appropriate patched version provided by the Ubuntu advisory.

  • Who discovered the vulnerability in USN-7460-1?

    The vulnerability in USN-7460-1 was discovered by Jann Horn.

  • What type of vulnerability is USN-7460-1?

    USN-7460-1 is an out-of-bounds write vulnerability in the Linux kernel's watch_queue event notification subsystem.

  • Can USN-7460-1 lead to a system crash?

    Yes, USN-7460-1 can lead to a system crash, resulting in a denial of service.

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