CVE-2023-45733

Published: 16 May 2024

Hardware logic contains race conditions in some Intel(R) Processors may allow an authenticated user to potentially enable partial information disclosure via local access.

From the Ubuntu Security Team

It was discovered that some Intel® Processors did not properly protect against concurrent accesses. A local attacker could use this to obtain sensitive information.

Priority

Cvss 3 Severity Score

2.8

Score breakdown

Status

Package	Release	Status
intel-microcode Launchpad, Ubuntu, Debian	bionic	Released (3.20240514.0ubuntu0.18.04.1+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	focal	Released (3.20240514.0ubuntu0.20.04.1)
	jammy	Released (3.20240514.0ubuntu0.22.04.1)
	mantic	Released (3.20240514.0ubuntu0.23.10.1)
	noble	Released (3.20240514.0ubuntu0.24.04.1)
	trusty	Ignored (trusty doesn't support early microcode loading at runtime)
	upstream	Needs triage
	xenial	Released (3.20240514.0ubuntu0.16.04.1+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)

Severity score breakdown

Parameter	Value
Base score	2.8
Attack vector	Local
Attack complexity	High
Privileges required	Low
User interaction	None
Scope	Changed
Confidentiality	Low
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N

References

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