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Ubuntu 22.04 USN-8060-2 Critical Linux Kernel Real-time Threats

ubuntu
Calendar Grey February 24, 2026
Dist Ubuntu Esm H88
Multiple security issues addressed in Ubuntu Linux kernel for Intel IoT and real-time systems to prevent possible system compromise.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux-intel-iot-realtime: Linux kernel for Intel IoT Real-time platforms

- linux-realtime: Linux kernel for Real-time systems

Details:

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:

- GPU drivers;

- MMC subsystem;

(CVE-2022-49267, CVE-2025-21780)

Topics%20covered

Topics Covered

security advisory critical Ubuntu system compromise linux-realtime linux-intel-iot-realtime

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS
  linux-image-5.15.0-1093-intel-iot-realtime  5.15.0-1093.95
                                  Available with Ubuntu Pro
  linux-image-5.15.0-1100-realtime  5.15.0-1100.109
                                  Available with Ubuntu Pro
  linux-image-intel-iot-realtime  5.15.0.1093.97
                                  Available with Ubuntu Pro
  linux-image-intel-iot-realtime-5.15  5.15.0.1093.97
                                  Available with Ubuntu Pro
  linux-image-realtime            5.15.0.1100.104
                                  Available with Ubuntu Pro
  linux-image-realtime-5.15       5.15.0.1100.104
                                  Available with Ubuntu Pro

After a standard system update you need to reboot your computer to make
all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References

https://ubuntu.com/security/notices/USN-8060-2

https://ubuntu.com/security/notices/USN-8060-1

CVE-2022-49267, CVE-2025-21780

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8060-2

Topics%20covered

Topics Covered

security advisory critical Ubuntu system compromise linux-realtime linux-intel-iot-realtime

Package Information

https://launchpad.net/ubuntu/+source/linux-intel-iot-realtime/5.15.0-1093.95
https://launchpad.net/ubuntu/+source/linux-realtime/5.15.0-1100.109

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