Home / mailings

PDF

[USN-8068-1] Intel Microcode vulnerability

Posted on 03 March 2026
Ubuntu Security

==========================================================================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

--===============2150201227144787164==Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature

 

TOP