CVE-2025-31648

Description

Improper handling of values in the microcode flow for some Intel(R) Processor Family may allow an escalation of privilege. Startup code and smm adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present with special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (low), integrity (low) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (low), integrity (low) and availability (none) impacts.

How to fix CVE-2025-31648

To remediate CVE-2025-31648, upgrade the affected package to a fixed version below.

• —upgrade to 20260210-r0 or later
• —no fix listed

Is CVE-2025-31648 being exploited?

Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.

Affected packages (2)

• from 0, < 20260210-r0
• from 0

CVSS scores

References (2)

• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2025-31648
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2025-31648