CVE-2024-23984

Publication date 16 September 2024

Last updated 3 July 2025

Ubuntu priority

Cvss 3 Severity Score

Observable discrepancy in RAPL interface for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.

From the Ubuntu Security Team

It was discovered that some Intel(R) Processors did not properly restrict access to the Running Average Power Limit (RAPL) interface. This may allow a local privileged attacker to obtain sensitive information.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
intel-microcode	24.04 LTS noble	Fixed 3.20240910.0ubuntu0.24.04.1
	22.04 LTS jammy	Fixed 3.20240910.0ubuntu0.22.04.1
	20.04 LTS focal	Fixed 3.20240910.0ubuntu0.20.04.1
	18.04 LTS bionic	Fixed 3.20240910.0ubuntu0.18.04.1+esm1
	16.04 LTS xenial	Fixed 3.20240910.0ubuntu0.16.04.1+esm1
	14.04 LTS trusty	Ignored trusty doesn't support late loading of microcode

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Notes

alexmurray

Initial updates were released upstream by Intel in the 20240910 release. Additional updates were released in the 20241112 release.

Severity score breakdown

Parameter	Value
Base score	5.3 · Medium
Attack vector	Local
Attack complexity	High
Privileges required	High
User interaction	None
Scope	Changed
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N