========================================================================== Ubuntu Security Notice USN-8068-1 March 03, 2026
intel-microcode vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 25.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
The system could be made to run programs as an administrator.
Software Description:
- intel-microcode: Processor microcode for Intel CPUs
Details:
Sergiu Ghetie discovered that some Intel® processors did not properly
handle values in the microcode flow. A local authenticated user could
potentially use this issue to escalate their privileges.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 25.10
intel-microcode 3.20260210.0ubuntu0.25.10.1
Ubuntu 24.04 LTS
intel-microcode 3.20260210.0ubuntu0.24.04.1
Ubuntu 22.04 LTS
intel-microcode 3.20260210.0ubuntu0.22.04.1
Ubuntu 20.04 LTS
intel-microcode 3.20260210.0ubuntu0.20.04.1+esm1
Available with Ubuntu Pro
Ubuntu 18.04 LTS
intel-microcode 3.20260210.0ubuntu0.18.04.1+esm1
Available with Ubuntu Pro
Ubuntu 16.04 LTS
intel-microcode 3.20260210.0ubuntu0.16.04.1+esm1
Available with Ubuntu Pro
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-8068-1
CVE-2025-31648
Package Information:
https://launchpad.net/ubuntu/+source/intel-microcode/3.20260210.0ubuntu0.25.10.1
https://launchpad.net/ubuntu/+source/intel-microcode/3.20260210.0ubuntu0.24.04.1
https://launchpad.net/ubuntu/+source/intel-microcode/3.20260210.0ubuntu0.22.04.1
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