// For flags

CVE-2021-3744

kernel: crypto: ccp - fix resource leaks in ccp_run_aes_gcm_cmd()

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se ha encontrado un fallo de pérdida de memoria en el kernel de Linux en la función ccp_run_aes_gcm_cmd() en el archivo drivers/crypto/ccp/ccp-ops.c, que permite a atacantes causar una denegación de servicio (consumo de memoria). Esta vulnerabilidad es similar a la anterior 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.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-08-27 CVE Reserved
  • 2021-11-11 CVE Published
  • 2023-10-24 EPSS Updated
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-401: Missing Release of Memory after Effective Lifetime
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Redhat
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Virtualization Host
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4.0
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-
Affected
in Redhat
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Enterprise Linux
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8.0
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-
Safe
Linux
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Linux Kernel
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< 5.15
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-
Affected
Linux
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Linux Kernel
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5.15
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-
Affected
Linux
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Linux Kernel
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5.15
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rc1
Affected
Linux
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Linux Kernel
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5.15
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rc2
Affected
Linux
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Linux Kernel
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5.15
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rc3
Affected
Fedoraproject
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Fedora
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33
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Affected
Fedoraproject
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Fedora
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34
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Affected
Fedoraproject
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Fedora
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35
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Affected
Debian
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Debian Linux
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9.0
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-
Affected
Debian
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Debian Linux
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10.0
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Affected
Redhat
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Build Of Quarkus
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2.0
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Affected
Redhat
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Codeready Linux Builder
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8.0
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Affected
Redhat
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Codeready Linux Builder Eus
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8.6
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Affected
Redhat
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Codeready Linux Builder For Power Little Endian
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8.0
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Affected
Redhat
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Codeready Linux Builder For Power Little Endian Eus
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8.6
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-
Affected
Redhat
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Developer Tools
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1.0
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Affected
Redhat
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Enterprise Linux Eus
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8.6
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Affected
Redhat
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Enterprise Linux For Ibm Z Systems Eus
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8.6
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Affected
Redhat
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Enterprise Linux For Power Little Endian Eus
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8.6
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Affected
Redhat
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Enterprise Linux For Real Time
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8
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Affected
Redhat
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Enterprise Linux For Real Time
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8.6
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Affected
Redhat
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Enterprise Linux For Real Time For Nfv
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8
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Affected
Redhat
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Enterprise Linux For Real Time For Nfv Tus
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8.6
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Affected
Redhat
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Enterprise Linux Server Eus
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8.6
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Affected
Redhat
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Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions
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8.6
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Affected
Redhat
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Enterprise Linux Server Tus
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8.6
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Affected
Redhat
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Enterprise Linux Server Update Services For Sap Solutions
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8.6
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Affected
Oracle
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Communications Cloud Native Core Binding Support Function
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22.1.3
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Affected
Oracle
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Communications Cloud Native Core Network Exposure Function
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22.1.1
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Affected
Oracle
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Communications Cloud Native Core Policy
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22.2.0
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-
Affected