USN-8068-1

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.

Affected Packages

intel-microcode

Ubuntu 22.04 LTS

Fixed in:

3.20260210.0ubuntu0.22.04.1

intel-microcode

Ubuntu 24.04 LTS

Fixed in:

3.20260210.0ubuntu0.24.04.1

intel-microcode

Ubuntu 25.10

Fixed in:

3.20260210.0ubuntu0.25.10.1

intel-microcode

Ubuntu Pro 16.04 LTS

Fixed in:

3.20260210.0ubuntu0.16.04.1+esm1

intel-microcode

Ubuntu Pro 18.04 LTS

Fixed in:

3.20260210.0ubuntu0.18.04.1+esm1

intel-microcode

Ubuntu Pro 20.04 LTS

Fixed in:

3.20260210.0ubuntu0.20.04.1+esm1

References

REPORT

https://ubuntu.com/security/CVE-2025-31648

ADVISORY

https://ubuntu.com/security/notices/USN-8068-1