CVE-2023-47855

Publication date 16 May 2024

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.0 · Medium

Score breakdown

Improper input validation in some Intel(R) TDX module software before version 1.5.05.46.698 may allow a privileged user to potentially enable escalation of privilege via local access.

From the Ubuntu Security Team

It was discovered that some Intel® Processors TDX module software did not properly validate input. A privileged local attacker could use this information to potentially further escalate their privileges on the system.

Status

Package Ubuntu Release Status
intel-microcode 24.04 LTS noble
Fixed 3.20240514.0ubuntu0.24.04.1
23.10 mantic
Fixed 3.20240514.0ubuntu0.23.10.1
22.04 LTS jammy
Fixed 3.20240514.0ubuntu0.22.04.1
20.04 LTS focal
Fixed 3.20240514.0ubuntu0.20.04.1
18.04 LTS bionic
Fixed 3.20240514.0ubuntu0.18.04.1+esm1
16.04 LTS xenial
Fixed 3.20240514.0ubuntu0.16.04.1+esm1
14.04 LTS trusty Ignored trusty doesn’t support early microcode loading at runtime

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Severity score breakdown

Parameter Value
Base score 6.0 · Medium
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N