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
See what this means
CVSS v3 Base Score
See breakdown
Affected Packages
Platform | Package | Release Date | Advisory | Status |
---|---|---|---|---|
Amazon Linux 1 | kernel | 2021-01-15 | ALAS-2021-1461 | Fixed |
Amazon Linux 2 - Core | kernel | 2020-12-09 | ALAS2-2020-1566 | Fixed |
Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-01-28 | 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 |