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
CVSS v3 Base Score
See breakdown
Affected Packages
Platform | Package | Release Date | Advisory | Status |
---|---|---|---|---|
Amazon Linux 1 | kernel | 2021-05-20 | ALAS-2021-1503 | Fixed |
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 |