CVE-2018-5390

Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service

HIGH
7.5
CVSS Score
Published: August 6, 2018 at 08:00 PM UTC
Updated: June 17, 2026 at 02:00 AM UTC
40 products affected across 8 vendorsLinux KernelDebian LinuxUbuntu Linux

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Severity
HIGH7.5
Exploit prediction
EPSS 72%

Description

Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service.

Affected

References (42)

Mailing Listx_refsource_MLISTThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/06/28/2
Mailing Listx_refsource_MLISTThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/07/06/3
Mailing Listx_refsource_MLISTThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/07/06/4
VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/104976
VDB Entryx_refsource_SECTRACKThird Party Advisory
http://www.securitytracker.com/id/1041424
VDB Entryx_refsource_SECTRACKThird Party Advisory
http://www.securitytracker.com/id/1041434

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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