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CVE-2020-0548

Public on 2020-01-28
Modified on 2020-07-15
Description

A flaw was found in Intel processors where a local attacker is able to gain information about registers used for vector calculations by observing register states from other processes running on the system. This results in a race condition where store buffers, which were not cleared, could be read by another process or a CPU sibling. The highest threat from this vulnerability is data confidentiality where an attacker could read arbitrary data as it passes through the processor.

Severity
Low
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CVSS v3 Base Score
2.8
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 microcode_ctl 2020-07-14 01:55 ALAS-2020-1396
Amazon Linux 2 - Core microcode_ctl 2020-06-26 22:53 ALAS2-2020-1444

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 2.8 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD CVSSv2 2.1 AV:L/AC:L/Au:N/C:P/I:N/A:N