CVE-2024-24968

Publication date 16 September 2024

Last updated 3 July 2025

Ubuntu priority

Cvss 3 Severity Score

Improper finite state machines (FSMs) in hardware logic in some Intel(R) Processors may allow an privileged user to potentially enable a denial of service via local access.

From the Ubuntu Security Team

It was discovered that some Intel(R) Processors did not properly implement finite state machines (FSMs) in hardware logic. This may allow a local privileged attacker to cause a denial of service (system crash).

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	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H