CVE-2021-27364
Public on 2021-03-07
Modified on 2021-03-19
Description
A flaw was found in the Linux kernel. An out-of-bounds read was discovered in the libiscsi module that could lead to reading kernel memory or a crash. The highest threat from this vulnerability is to data confidentiality as well as system availability.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2021-03-18 | ALAS-2021-1487 | Fixed |
| Amazon Linux 2 - Core | kernel | 2021-03-18 | ALAS2-2021-1616 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-01-11 | ALAS2KERNEL-5.4-2022-001 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.214-160.339 | 2021-03-24 | ALAS2LIVEPATCH-2021-042 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.219-161.340 | 2021-03-24 | ALAS2LIVEPATCH-2021-043 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.219-164.354 | 2021-03-24 | ALAS2LIVEPATCH-2021-044 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
| NVD | CVSSv2 | 3.6 | AV:L/AC:L/Au:N/C:P/I:N/A:P |
| NVD | CVSSv3 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |