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CVE-2021-31916

Public on 2021-05-06
Modified on 2021-05-21
Description

An out-of-bounds (OOB) memory write flaw was found in list_devices in drivers/md/dm-ioctl.c in the Multi-device driver module in the Linux kernel. A bound check failure allows an attacker with special user (CAP_SYS_ADMIN) privilege to gain access to out-of-bounds memory leading to a system crash, a leak of internal kernel information, or a privilege escalation problem.

Severity
Low
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CVSS v3 Base Score
6.7
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2021-05-20 21:12 ALAS-2021-1503

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 6.1 AV:L/AC:L/Au:N/C:P/I:P/A:C
NVD CVSSv3 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H