CVE-2020-28974

Public on 2020-12-08
Modified on 2021-01-13
Description
An out-of-bounds (OOB) SLAB memory access flaw was found in the Linux kernel's fbcon driver module. A bounds check failure allows a local attacker with special user privileges to gain access to out-of-bounds memory, leading to a system crash or leaking of internal kernel information. The highest threat from this vulnerability is to system availability.
Severity
Medium
CVSS v3 Base Score
5.0
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 kernel 2020-12-08 20:55 ALAS2-2020-1566
Amazon Linux 1 kernel 2021-01-12 22:51 ALAS-2021-1461

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.0 CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H
NVD CVSSv2 6.1 AV:L/AC:L/Au:N/C:P/I:P/A:C
NVD CVSSv3 5.0 CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H