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.
Published 2018-08-06 20:29:02
Updated 2020-09-18 16:14:19
Source CERT/CC
View at NVD,   CVE.org
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2018-5390

Probability of exploitation activity in the next 30 days: 78.30%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 98 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2018-5390

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
7.8
HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
NIST
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
NIST

CWE ids for CVE-2018-5390

  • The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
    Assigned by:
    • cret@cert.org (Secondary)
    • nvd@nist.gov (Primary)

References for CVE-2018-5390

Products affected by CVE-2018-5390

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