CVE Details

Release Date:2021-07-02


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 before 5.12. 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 or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.

See more information about CVE-2021-31916 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: Base Metrics:
Access Vector: Undefined Attack Complexity: Undefined
Privileges Required: None User Interaction: None
Scope: Unchanged Confidentiality Impact: Undefined
Integrity Impact: Undefined Availability Impact: Undefined

Errata information

PlatformErrataRelease Date
Oracle Linux version 6 (kernel-uek)ELSA-2021-93462021-07-02
Oracle Linux version 7 (kernel-uek)ELSA-2021-93052021-06-14
Oracle Linux version 7 (kernel-uek)ELSA-2021-93062021-06-15
Oracle Linux version 7 (kernel-uek)ELSA-2021-93462021-07-02
Oracle Linux version 7 (kernel-uek-container)ELSA-2021-93072021-06-15
Oracle Linux version 7 (kernel-uek-container)ELSA-2021-93082021-06-15
Oracle Linux version 8 (kernel-uek)ELSA-2021-93062021-06-15
Oracle Linux version 8 (kernel-uek-container)ELSA-2021-93072021-06-15
Oracle VM version 3 (kernel-uek)OVMSA-2021-00222021-07-06

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team