Summary of Linux Kernel Security Update for Ubuntu
A security update has been released for the Linux kernel in Ubuntu 22.04 LTS and 24.04 LTS, addressing vulnerabilities in the low latency kernel versions. The update, identified as Ubuntu Security Notice USN-7682-4, was published on August 1, 2025.
Affected Versions:
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
Security Flaws:
The update resolves multiple security issues that could potentially allow an attacker to compromise the system. The flaws pertain mainly to network traffic control and are identified by the CVE codes CVE-2025-38083 and CVE-2025-37797.
Kernel Packages Updated:
For Ubuntu 24.04 LTS:
- linux-image-6.8.0-65-lowlatency
- linux-image-lowlatency
For Ubuntu 22.04 LTS:
- linux-image-6.8.0-65-lowlatency
- linux-image-lowlatency-6.8
Update Instructions:
To apply the fixes, users should update their systems to the specified package versions mentioned above. After updating, a system reboot is required to implement the changes. Users are cautioned that due to an ABI change, they must recompile and reinstall any third-party kernel modules.
References for More Information:
- Full security notice: [USN-7682-4](https://ubuntu.com/security/notices/USN-7682-4)
- Previous security notices: [USN-7682-3](https://ubuntu.com/security/notices/USN-7682-3), [USN-7682-2](https://ubuntu.com/security/notices/USN-7682-2), [USN-7682-1](https://ubuntu.com/security/notices/USN-7682-1)
Extended Information:
The Linux kernel is a critical component of any Linux-based operating system, providing essential services for hardware and software interaction. Regular updates, especially those addressing security vulnerabilities, are crucial for maintaining system integrity and protection against potential threats. Users are encouraged to stay informed about updates and promptly apply them to ensure their systems are secure. Furthermore, those utilizing third-party kernel modules should be proactive in managing these components, especially when significant changes occur, such as an ABI change. Keeping backups before applying major updates can also safeguard against any unforeseen issues that may arise during the update process
A security update has been released for the Linux kernel in Ubuntu 22.04 LTS and 24.04 LTS, addressing vulnerabilities in the low latency kernel versions. The update, identified as Ubuntu Security Notice USN-7682-4, was published on August 1, 2025.
Affected Versions:
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
Security Flaws:
The update resolves multiple security issues that could potentially allow an attacker to compromise the system. The flaws pertain mainly to network traffic control and are identified by the CVE codes CVE-2025-38083 and CVE-2025-37797.
Kernel Packages Updated:
For Ubuntu 24.04 LTS:
- linux-image-6.8.0-65-lowlatency
- linux-image-lowlatency
For Ubuntu 22.04 LTS:
- linux-image-6.8.0-65-lowlatency
- linux-image-lowlatency-6.8
Update Instructions:
To apply the fixes, users should update their systems to the specified package versions mentioned above. After updating, a system reboot is required to implement the changes. Users are cautioned that due to an ABI change, they must recompile and reinstall any third-party kernel modules.
References for More Information:
- Full security notice: [USN-7682-4](https://ubuntu.com/security/notices/USN-7682-4)
- Previous security notices: [USN-7682-3](https://ubuntu.com/security/notices/USN-7682-3), [USN-7682-2](https://ubuntu.com/security/notices/USN-7682-2), [USN-7682-1](https://ubuntu.com/security/notices/USN-7682-1)
Extended Information:
The Linux kernel is a critical component of any Linux-based operating system, providing essential services for hardware and software interaction. Regular updates, especially those addressing security vulnerabilities, are crucial for maintaining system integrity and protection against potential threats. Users are encouraged to stay informed about updates and promptly apply them to ensure their systems are secure. Furthermore, those utilizing third-party kernel modules should be proactive in managing these components, especially when significant changes occur, such as an ABI change. Keeping backups before applying major updates can also safeguard against any unforeseen issues that may arise during the update process
Linux Kernel update for Ubuntu
A Linux kernel security update has been released for Ubuntu Linux 22.04 LTS and 24.04 LTS:
[USN-7682-4] Linux kernel (Low Latency) vulnerabilities
