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
CVSS v3 Base Score
See breakdown
Affected Packages
Platform | Package | Release Date | Advisory | Status |
---|---|---|---|---|
Amazon Linux 1 | kernel | 2021-01-12 | ALAS-2021-1461 | Fixed |
Amazon Linux 2 - Core | kernel | 2020-12-08 | ALAS2-2020-1566 | Fixed |
Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-01-20 | ALAS2KERNEL-5.4-2022-018 | Fixed |
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 |