CVE-2019-19319
Public on 2019-11-27
Modified on 2020-06-03
Description
An out-of-bounds write flaw was found in the Linux kernel’s Ext4 FileSystem in the way it uses a crafted ext4 image. This flaw allows a local user with physical access to crash the system or potentially escalate their privileges on the system.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2020-06-01 | ALAS-2020-1377 | Fixed |
| Amazon Linux 2 - Core | kernel | 2020-06-01 | ALAS2-2020-1431 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.173-137.228 | 2020-06-10 | ALAS2LIVEPATCH-2020-020 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.173-137.229 | 2020-06-10 | ALAS2LIVEPATCH-2020-019 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.177-139.253 | 2020-06-10 | ALAS2LIVEPATCH-2020-018 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.177-139.254 | 2020-06-10 | ALAS2LIVEPATCH-2020-017 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | CVSSv3 | 6.5 | CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H |
| NVD | CVSSv2 | 4.4 | AV:L/AC:M/Au:N/C:P/I:P/A:P |