CVE-2019-20096
Public on 2019-12-30
Modified on 2020-03-13
Description
A flaw was found in the Linux kernel’s implementation of the Datagram Congestion Control Protocol (DCCP). A local attacker with access to the system can create DCCP sockets to cause a memory leak and repeat this operation to exhaust all memory and panic the system.
Severity
Low
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2020-03-09 | ALAS-2020-1349 | Fixed |
| Amazon Linux 2 - Core | kernel | 2020-03-02 | ALAS2-2020-1399 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.165-131.185 | 2020-03-03 | ALAS2LIVEPATCH-2020-003 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.165-133.209 | 2020-03-03 | ALAS2LIVEPATCH-2020-002 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | CVSSv2 | 4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
| NVD | CVSSv3 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |