Information disclosure in Intel Xeon D Processors - CVE-2023-43490

Vulnerability identifier: #VU87461

CSH Severity: Low

CVSS v4 BT: 1.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-43490

CWE-ID: CWE-200

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to incorrect calculation in microcode keying mechanism for some Intel Xeon D Processors with Intel SGX. A local user can gain access to sensitive information.

Intel Xeon D Processors
Dell Data Protection Central
PowerProtect DP Series Appliance (IDPA)
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
openSUSE Leap Micro
SUSE Enterprise Storage
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
SUSE Linux Enterprise Server 15 SP4 LTSS
SUSE Linux Enterprise Desktop 15 SP4 LTSS
Basesystem Module
openSUSE Leap
ucode-intel

Install updates from vendor's website.

ucode-intel - update to 20240312-150200.38.1

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01045.html

• Information disclosure in Intel Xeon D processors
• SUSE update for ucode-intel
• Multiple vulnerabilities in Dell Data Protection Central