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CVE-2020-28974

Public on 2020-11-20
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
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CVSS v3 Base Score
5.0
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2021-01-12 22:51 ALAS-2021-1461
Amazon Linux 2 - Core kernel 2020-12-08 20:55 ALAS2-2020-1566
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-01-20 19:50 ALAS2KERNEL-5.4-2022-018

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