5.5
MEDIUM
CVE-2021-3744
Linux Kernel CCP AES GCM Command Memory Leak Denial of Service
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.
INFO
Published Date :
March 4, 2022, 4:15 p.m.
Last Modified :
Feb. 12, 2023, 11:42 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Affected Products
The following products are affected by CVE-2021-3744
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-3744.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-3744 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-3744 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Changed 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. 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. Removed CVSS V3.1 Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Removed Reference https://access.redhat.com/errata/RHSA-2022:1975 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2022:1988 [No Types Assigned] Removed Reference https://access.redhat.com/security/cve/CVE-2021-3744 [No Types Assigned] Added CWE Red Hat, Inc. CWE-401 -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed 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. 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. Added CVSS V3.1 Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/ [Mailing List, Third Party Advisory] Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/ [Mailing List, Third Party Advisory] Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/ [Mailing List, Third Party Advisory] Added Reference https://access.redhat.com/errata/RHSA-2022:1988 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2022:1975 [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/ [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2021-3744 [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/ [No Types Assigned] Removed CWE Red Hat, Inc. CWE-401 -
Modified Analysis by [email protected]
Oct. 06, 2022
Action Type Old Value New Value Changed Reference Type http://www.openwall.com/lists/oss-security/2021/09/14/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/09/14/1 Exploit, Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/ Mailing List, Third Party Advisory Changed Reference Type https://www.oracle.com/security-alerts/cpujul2022.html No Types Assigned https://www.oracle.com/security-alerts/cpujul2022.html Patch, Third Party Advisory Added CPE Configuration OR *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:*:*:*:*:*:*:* *cpe:2.3:a:redhat:developer_tools:1.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_real_time:8:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_real_time:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:8:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* OR cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 25, 2022
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpujul2022.html [No Types Assigned] -
CVE Modified by [email protected]
May. 23, 2022
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/09/14/1 [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/ [No Types Assigned] Removed CWE Red Hat, Inc. CWE-400 Added CWE Red Hat, Inc. CWE-401 Removed CWE Reason CWE-400 / More specific CWE option available -
Initial Analysis by [email protected]
Mar. 11, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2000627 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2000627 Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680 No Types Assigned https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680 Patch, Third Party Advisory Changed Reference Type https://kernel.googlesource.com/pub/scm/linux/kernel/git/herbert/crypto-2.6/+/505d9dcb0f7ddf9d075e729523a33d38642ae680%5E%21/#F0 No Types Assigned https://kernel.googlesource.com/pub/scm/linux/kernel/git/herbert/crypto-2.6/+/505d9dcb0f7ddf9d075e729523a33d38642ae680%5E%21/#F0 Mailing List, Patch, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html Mailing List, Third Party Advisory Changed Reference Type https://seclists.org/oss-sec/2021/q3/164 No Types Assigned https://seclists.org/oss-sec/2021/q3/164 Exploit, Mailing List, Patch, Third Party Advisory Changed Reference Type https://www.debian.org/security/2022/dsa-5096 No Types Assigned https://www.debian.org/security/2022/dsa-5096 Third Party Advisory Added CWE NIST CWE-401 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.15 *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:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 10, 2022
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html [No Types Assigned] Added Reference https://www.debian.org/security/2022/dsa-5096 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-3744 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-3744
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.02%
score
0.31067
percentile
CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability