Vulnerability Monitor

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CVE-2021-3744


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.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.5, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 24 products from linux, from fedoraproject, from debian and 21 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2022-03-04T16:15:08.817

Last Modified

2024-11-21T06:22:19.033

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

3.9

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-401
  • Type: Secondary
    CWE-401

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel < 5.15 Yes
Operating System linux linux_kernel 5.15 Yes
Operating System linux linux_kernel 5.15 Yes
Operating System linux linux_kernel 5.15 Yes
Operating System linux linux_kernel 5.15 Yes
Operating System fedoraproject fedora 33 Yes
Operating System fedoraproject fedora 34 Yes
Operating System fedoraproject fedora 35 Yes
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
Application redhat build_of_quarkus 2.0 Yes
Application redhat codeready_linux_builder 8.0 Yes
Application redhat codeready_linux_builder_eus 8.6 Yes
Application redhat codeready_linux_builder_for_power_little_endian 8.0 Yes
Application redhat codeready_linux_builder_for_power_little_endian_eus 8.6 Yes
Application redhat developer_tools 1.0 Yes
Operating System redhat enterprise_linux_eus 8.6 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems_eus 8.6 Yes
Operating System redhat enterprise_linux_for_power_little_endian_eus 8.6 Yes
Operating System redhat enterprise_linux_for_real_time 8 Yes
Operating System redhat enterprise_linux_for_real_time 8.6 Yes
Operating System redhat enterprise_linux_for_real_time_for_nfv 8 Yes
Operating System redhat enterprise_linux_for_real_time_for_nfv_tus 8.6 Yes
Operating System redhat enterprise_linux_server_eus 8.6 Yes
Operating System redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 8.6 Yes
Operating System redhat enterprise_linux_server_tus 8.6 Yes
Operating System redhat enterprise_linux_server_update_services_for_sap_solutions 8.6 Yes
Application redhat virtualization_host 4.0 Yes
Operating System redhat enterprise_linux 8.0 No
Application oracle communications_cloud_native_core_binding_support_function 22.1.3 Yes
Application oracle communications_cloud_native_core_network_exposure_function 22.1.1 Yes
Application oracle communications_cloud_native_core_policy 22.2.0 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.