CVE-2021-37576

Public on 2021-07-26

Modified on 2021-10-04

Description

A flaw was found on the Linux kernel. On the PowerPC platform, the KVM guest allows the OS users to cause host OS memory corruption via rtas_args.nargs. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Severity

Important

See what this means

CVSS v3 Base Score

7.8

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory
Amazon Linux 1	kernel	2021-09-30 19:25	ALAS-2021-1539

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	CVSSv2	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C
NVD	CVSSv3	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Red Hat: CVE-2021-37576 Mitre: CVE-2021-37576 FAQs regarding Amazon Linux ALAS/CVE Severity