CVE-2018-5390

high-risk
Published 2018-08-06

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.

Do I need to act?

!
11.4% chance of exploitation in next 30 days
EPSS score — higher than 89% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Hp Cisco Debian Redhat Linux F5 Canonical A10Networks

References (84)

Third Party Advisory http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-004.txt
Third Party Advisory http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20181031-02-linux-e...
Mailing List http://www.openwall.com/lists/oss-security/2019/06/28/2
Mailing List http://www.openwall.com/lists/oss-security/2019/07/06/3
Mailing List http://www.openwall.com/lists/oss-security/2019/07/06/4
Third Party Advisory http://www.securityfocus.com/bid/104976
Third Party Advisory http://www.securitytracker.com/id/1041424
Third Party Advisory http://www.securitytracker.com/id/1041434
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2384
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2395
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2402
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2403
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2645
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2776
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2785
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2789
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2790
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2791
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2924
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2933
and 64 more references
67
/ 100
high-risk
Severity 26/34 · High
Exploitability 11/34 · Low
Exposure 30/34 · Critical