CVE-2021-3744

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

04/03/2022

Last modified:

12/02/2023

Description

A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() function in drivers/crypto/ccp/ccp-ops.c, which allows attackers to cause a denial of service (memory consumption). This vulnerability is similar with the older CVE-2019-18808.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vector 2.0

AV:L/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 2.10 LOW
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

2.10

Severity 2.0

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::		5.15 (excluding)
cpe:2.3:o:linux:linux_kernel:5.15:-::::::
cpe:2.3:o:linux:linux_kernel:5.15:rc1::::::
cpe:2.3:o:linux:linux_kernel:5.15:rc2::::::
cpe:2.3:o:linux:linux_kernel:5.15:rc3::::::
cpe:2.3:o:fedoraproject:fedora:33:::::::*
cpe:2.3:o:fedoraproject:fedora:34:::::::*
cpe:2.3:o:fedoraproject:fedora:35:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:o:debian:debian_linux:10.0:::::::*
cpe:2.3:a:redhat:build_of_quarkus:2.0:::::::*
cpe:2.3:a:redhat:codeready_linux_builder:8.0:::::::*
cpe:2.3:a:redhat:codeready_linux_builder_eus:8.6:::::::*
cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian:8.0:::::::*
cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian_eus:8.6:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::		5.15 (excluding)
cpe:2.3:o:linux:linux_kernel:5.15:-::::::
cpe:2.3:o:linux:linux_kernel:5.15:rc1::::::
cpe:2.3:o:linux:linux_kernel:5.15:rc2::::::
cpe:2.3:o:linux:linux_kernel:5.15:rc3::::::
cpe:2.3:o:fedoraproject:fedora:33:::::::*
cpe:2.3:o:fedoraproject:fedora:34:::::::*
cpe:2.3:o:fedoraproject:fedora:35:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:o:debian:debian_linux:10.0:::::::*
cpe:2.3:a:redhat:build_of_quarkus:2.0:::::::*
cpe:2.3:a:redhat:codeready_linux_builder:8.0:::::::*
cpe:2.3:a:redhat:codeready_linux_builder_eus:8.6:::::::*
cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian:8.0:::::::*
cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian_eus:8.6:::::::*

CVE-2021-3744

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools