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CVE-2021-28972

Public on 2021-03-22
Modified on 2021-07-15
Description

A flaw in the Linux kernels implementation of the RPA PCI Hotplug driver for power-pc. A user with permissions to write to the sysfs settings for this driver can trigger a buffer overflow when writing a new device name to the driver from userspace, overwriting data in the kernel's stack.

Severity
Medium
See what this means
CVSS v3 Base Score
6.7
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core kernel 2021-04-20 17:55 ALAS2-2021-1627

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 7.2 AV:L/AC:L/Au:N/C:C/I:C/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