CVE-2021-43267
Scores
EPSS
Percentile: 72.6%
CVSS
CVSS Score: 8.8/10
All CVSS Scores
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Adjacent Network (A)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Privileges Required
None (N)
Describes the level of privileges an attacker must possess
User Interaction
None (N)
Captures the requirement for a human user participation
Scope
Unchanged (U)
Determines if a successful attack impacts components beyond the vulnerable component
Confidentiality Impact
High (H)
Measures the impact to the confidentiality of information
Integrity Impact
High (H)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
High (H)
Measures the impact to the availability of the impacted component
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Authentication
None (N)
Describes the level of privileges an attacker must possess
Confidentiality Impact
Partial
Measures the impact to the confidentiality of information
Integrity Impact
Partial
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Partial
Measures the impact to the availability of the impacted component
Description
An issue was discovered in net/tipc/crypto.c in the Linux kernel before 5.14.16. The Transparent Inter-Process Communication (TIPC) functionality allows remote attackers to exploit insufficient validation of user-supplied sizes for the MSG_CRYPTO message type.
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Sources
CWEs
Related Vulnerabilities
Exploits
Vulnerable Software (254)
Type: Configuration
Product: kernel
Operating System: rhel 8
{ "fixed": "4.18.0-348.2.1.el8_5"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 8.4
{ "fixed": "4.18.0-305.28.1.el8_4"}
Source: redhat
Type: Configuration
Product: kernel-doc-std
Operating System: altlinux
{ "fixed": "2:5.10.77-alt1"}
Source: redhat
Type: Configuration
Product: kernel-headers-modules-std-def
Operating System: altlinux
{ "fixed": "2:5.10.77-alt1"}
Source: redhat
Type: Configuration
Product: kernel-headers-std-def
Operating System: altlinux
{ "fixed": "2:5.10.77-alt1"}
Source: redhat
Type: Configuration
Product: kernel-image-domU-std-def
Operating System: altlinux
{ "fixed": "2:5.10.77-alt1"}
Source: redhat
Type: Configuration
Product: kernel-image-std-def
Operating System: altlinux
{ "fixed": "2:5.10.77-alt1"}
Source: redhat
Type: Configuration
Product: kernel-image-std-def-checkinstall
Operating System: altlinux
{ "fixed": "2:5.10.77-alt1"}
Source: redhat
Type: Configuration
Product: kernel-modules-drm-ancient-std-def
Operating System: altlinux
{ "fixed": "2:5.10.77-alt1"}
Source: redhat
Type: Configuration
Product: kernel-modules-drm-nouveau-std-def
Operating System: altlinux
{ "fixed": "2:5.10.77-alt1"}
Source: redhat
Type: Configuration
Product: kernel-modules-drm-std-def
Operating System: altlinux
{ "fixed": "2:5.10.77-alt1"}
Source: redhat
Type: Configuration
Product: kernel-modules-ide-std-def
Operating System: altlinux
{ "fixed": "2:5.10.77-alt1"}
Source: redhat
Type: Configuration
Product: kernel-modules-midgard-be-m1000-std-def
Operating System: altlinux
{ "fixed": "2:5.10.77-alt1"}
Source: redhat
Type: Configuration
Product: kernel-modules-staging-std-def
Operating System: altlinux
{ "fixed": "2:5.10.77-alt1"}
Source: redhat
Type: Configuration
Product: kernel-rt
Operating System: rhel
{ "fixed": "4.18.0-348.2.1.rt7.132.el8_5"}
Source: redhat
Type: Configuration
Product: kernel-rt
Operating System: rhel
{ "fixed": "4.18.0-305.28.1.rt7.100.el8_4"}
Source: redhat
Type: Configuration
Product: linux
Operating System: ubuntu impish 21.10
{ "fixed": "5.13.0-23.23"}
Source: ubuntu
Type: Configuration
Product: linux
Operating System: ubuntu noble 24.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: linux
Operating System: ubuntu trusty 14.04
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: linux
Operating System: ubuntu xenial 16.04
{ "unfixed": true}
Source: ubuntu