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CVE-2021-0127

Public on 2022-02-09
Modified on 2022-03-07
Description

A flaw was found in microcode. Under complex microarchitectural conditions, an unexpected code breakpoint may cause a system hang. The hang was observed on a Skylake server processor, and subsequent analysis indicated additional potentially affected processors. This flaw allows a possible temporary denial of service (TDOS) to occur.

Severity
Medium
See what this means
CVSS v3 Base Score
5.6
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core microcode_ctl 2022-03-07 23:34 ALAS2-2022-1762

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 2.1 AV:L/AC:L/Au:N/C:N/I:N/A:P