Vulnerability DatabaseCVE-2017-6214
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CVE-2017-6214
Published:February 23, 2017
Updated:May 17, 2026
The tcp_splice_read function in net/ipv4/tcp.c in the Linux kernel before 4.9.11 allows remote attackers to cause a denial of service (infinite loop and soft lockup) via vectors involving a TCP packet with the URG flag.
Related Resources (13)
https://access.redhat.com/security/cve/CVE-2017-6214
https://github.com/torvalds/linux/commit/ccf7abb93af09ad0868ae9033d1ca8108bdaec82
https://access.redhat.com/errata/RHSA-2017:1372
https://access.redhat.com/errata/RHSA-2017:1647
https://access.redhat.com/errata/RHSA-2017:1616
http://www.securityfocus.com/bid/96421
https://source.android.com/security/bulletin/2017-09-01
http://www.debian.org/security/2017/dsa-3804
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-6214
https://access.redhat.com/errata/RHSA-2017:1615
http://www.securitytracker.com/id/1037897
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Loop with Unreachable Exit Condition ('Infinite Loop')
CWE-835
EPSS
Base Score:
9.46