CVE-2019-11477
Scores
EPSS
Percentile: 74.3%
CVSS
CVSS Score: 7.5/10
All CVSS Scores
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
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
None (N)
Measures the impact to the confidentiality of information
Integrity Impact
None (N)
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:N/I:N/A:C
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
None (N)
Measures the impact to the confidentiality of information
Integrity Impact
None (N)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Complete
Measures the impact to the availability of the impacted component
Description
Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments (SACKs). A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit 3b4929f65b0d8249f19a50245cd88ed1a2f78cff.
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Sources
CWEs
Related Vulnerabilities
Exploits
Vulnerable Software (243)
Type: Configuration
Product: kernel
Operating System: rhel 6
{ "fixed": "2.6.32-754.15.3.el6"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 6.5
{ "fixed": "2.6.32-431.95.3.el6"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 6.6
{ "fixed": "2.6.32-504.79.3.el6"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 7
{ "fixed": "3.10.0-957.21.3.el7"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 7.2
{ "fixed": "3.10.0-327.79.2.el7"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 7.2
{ "fixed": "3.10.0-327.79.2.el7"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 7.2
{ "fixed": "3.10.0-327.79.2.el7"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 7.3
{ "fixed": "3.10.0-514.66.2.el7"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 7.3
{ "fixed": "3.10.0-514.66.2.el7"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 7.3
{ "fixed": "3.10.0-514.66.2.el7"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 7.4
{ "fixed": "3.10.0-693.50.3.el7"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 7.5
{ "fixed": "3.10.0-862.34.2.el7"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 8
{ "fixed": "4.18.0-80.4.2.el8_0"}
Source: redhat
Type: Configuration
Product: kernel-alt
Operating System: rhel 7
{ "fixed": "4.14.0-115.8.2.el7a"}
Source: redhat
Type: Configuration
Product: kernel-headers-modules-std-pae
Operating System: altlinux
{ "fixed": "1:4.19.95-alt1"}
Source: redhat
Type: Configuration
Product: kernel-headers-std-pae
Operating System: altlinux
{ "fixed": "1:4.19.95-alt1"}
Source: redhat
Type: Configuration
Product: kernel-image-domU-std-pae
Operating System: altlinux
{ "fixed": "1:4.19.95-alt1"}
Source: redhat
Type: Configuration
Product: kernel-image-std-pae
Operating System: altlinux
{ "fixed": "1:4.19.95-alt1"}
Source: redhat
Type: Configuration
Product: kernel-modules-drm-ancient-std-pae
Operating System: altlinux
{ "fixed": "1:4.19.95-alt1"}
Source: redhat
Type: Configuration
Product: kernel-modules-drm-nouveau-std-pae
Operating System: altlinux
{ "fixed": "1:4.19.95-alt1"}
Source: redhat