CVE-2021-3744

Public on 2021-10-28
Modified on 2021-11-04
Description
A flaw was found in the Linux kernel. A memory leak in the ccp-ops crypto driver can allow attackers to cause a denial of service. This vulnerability is similar with the older CVE-2019-18808. The highest threat from this vulnerability is to system availability.
Severity
Medium severity
Medium
CVSS v3 Base Score
5.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core kernel 2021-10-28 ALAS2-2021-1719 Fixed
Amazon Linux 2 - Kernel-5.10 Extra kernel 2022-01-20 ALAS2KERNEL-5.10-2022-007 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-01-20 ALAS2KERNEL-5.4-2022-009 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-06-30 ALAS2KERNEL-5.4-2022-027 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-07-11 ALAS2KERNEL-5.4-2022-029 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-07-19 ALAS2KERNEL-5.4-2022-031 Fixed
Amazon Linux 2 - Microvm-kernel-4.14 Extra microvm-kernel 2023-09-14 ALAS2MICROVM-KERNEL-4.14-2023-001 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 2.1 AV:L/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H