Vulnerability identifier: #VU28928

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0543

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Intel Processor Microcode Package for Linux
Hardware solutions / Firmware

Vendor: Intel

Description

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

The vulnerability exists due to incomplete cleanup from specific special register read operations in some Intel(R) Processors. A local user can gain unauthorized access to sensitive information on the system.

Mitigation
This vulnerability will be addressed by Linux kernel vendors.

Vulnerable software versions

Intel Processor Microcode Package for Linux: 20190312 - 20200520

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External links
http://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00320.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.