CVE-2021-3764

Public on 2021-10-28
Modified on 2021-11-04
Description
A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to 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
HAQM Linux 2 - Core kernel 2021-10-28 ALAS2-2021-1719 Fixed
HAQM Linux 2 - Kernel-5.10 Extra kernel 2022-01-20 ALAS2KERNEL-5.10-2022-007 Fixed
HAQM Linux 2 - Kernel-5.4 Extra kernel 2022-01-20 ALAS2KERNEL-5.4-2022-009 Fixed
HAQM Linux 2 - Kernel-5.4 Extra kernel 2022-06-30 ALAS2KERNEL-5.4-2022-027 Fixed
HAQM 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
HAQM Linux CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H