Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Local
0

CVE-2021-3744

Disclosure Date: March 04, 2022
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

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.

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CVSS V3 Severity and Metrics
Base Score:
5.5 Medium
Impact Score:
3.6
Exploitability Score:
1.8
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

General Information

Vendors

  • debian,
  • fedoraproject,
  • linux,
  • oracle,
  • redhat

Products

  • build of quarkus 2.0,
  • codeready linux builder 8.0,
  • codeready linux builder eus 8.6,
  • codeready linux builder for power little endian 8.0,
  • codeready linux builder for power little endian eus 8.6,
  • communications cloud native core binding support function 22.1.3,
  • communications cloud native core network exposure function 22.1.1,
  • communications cloud native core policy 22.2.0,
  • debian linux 10.0,
  • debian linux 9.0,
  • developer tools 1.0,
  • enterprise linux eus 8.6,
  • enterprise linux for ibm z systems eus 8.6,
  • enterprise linux for power little endian eus 8.6,
  • enterprise linux for real time 8,
  • enterprise linux for real time 8.6,
  • enterprise linux for real time for nfv 8,
  • enterprise linux for real time for nfv tus 8.6,
  • enterprise linux server eus 8.6,
  • enterprise linux server for power little endian update services for sap solutions 8.6,
  • enterprise linux server tus 8.6,
  • enterprise linux server update services for sap solutions 8.6,
  • fedora 33,
  • fedora 34,
  • fedora 35,
  • linux kernel,
  • linux kernel 5.15,
  • virtualization host 4.0

References

Additional Info

Technical Analysis